Index Nominum Algarum Image Index
777 CARD IMAGES
beginning with CERATIUM Albertini & Schweinitz
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Processed by T. Rosatti
- CERATIUM Albertini & Schweinitz
- CERATIUM Schrank
- CERATIUM \{also on card: sections, subsections by Jörgensen, others\}
- CERATIUM \{also on card: sections, subsections by Jörgensen, Böhm, Karsten, others\}
- CERATIUM \{also on card: subgenera, sections, subsections by Jörgensen, Karsten, others\}
- CERATIUM \{also on card: sections, subsections by Jörgensen, Pavillard, others\}
- CERATIUM \{also on card: subgenera, sections by Ostenfeld\}
- CERATIUM \{also on card: sections by Gran\}
- CERATIUM \{also on card: subgenera by Jörgensen\}
- CERATIUM \{also on card: Poroceratium (Vanhöffen) Pavillard, with no indication of rank\}
- CERATIUM \{also on card: subgenera by Gran, Paulsen\}
- CERATIUM \{also on card: subgenera, section by Jörgensen\}
- CERATIUM \{also on card: subgenera by Kofoid\}
- CERATIUM \{also on card: subgenera, sections by Böhm\}
- CERATIUM \{also on card: subgenus Orthoceratium Sournia\}
- CERATIUM \{also on card: subsect. Reflexa (Jörgensen) Reinecke\}
- Ceratium aequatoriale Schröder
- Ceratium aestuarium Schröder
- Ceratium aestuarium var. pavillardii Rampi
- Ceratium allieri Gourret
- Ceratium angusticornum (Peters) Steemann Nielsen
- Ceratium arcticum [Vanhöffen]
- Ceratium arcticum 'Clap. & Lachm.'
- Ceratium arcticum (Ehrenberg) Cleve
- Ceratium tripos var. arcuatum (Gourret) [Cleve]
- Ceratium arcuatum f. karstenii (Pavillard) Jørgensen
- Ceratium arcuatum f. robustum (Karsten) Böhm
- Ceratium tripos var. arietinum Cleve
- Ceratium arietinum var. bucephalum (Cleve) Sournia
- Ceratium arietinum subsp. bucephalum (Cleve) Graham & Bronikovsky
- Ceratium arietinum f. detortum (Stüwe) Jørgensen
- Ceratium arietinum f. gracilentum Jørgensen
- Ceratium arietinum subsp. gracilentum (Jørgensen) Graham & Bronikovsky
- Ceratium arietinum var. gracilentum (Jørgensen) Sournia
- Ceratium arietinum f. regulare Jørgensen
- Ceratium arietinum f. valens Jørgensen
- Ceratium aultii Graham & Bronikovsky
- Ceratium axiale Kofoid
- Ceratium azoricum Cleve
- Ceratium batavum Paulsen
- Ceratium belone Cleve \{also on card, after genus: (furca var.?)\}
- Ceratium berghii ('berghi') Gourret
- Ceratium biceps Claparède & Lachmann
- Ceratium biconicum Murr. & Whitting
- Ceratium bicorne Gourret
- Ceratium bigelowii ('bigelowi') Kofoid
- Ceratium boehmii ('böhmii') Graham & Bronikovsky
- Ceratium brachyceros Daday
- Ceratium breve (Ostenfeld & Schmidt) Schröder
- Ceratium breve var. curvulum Jørgensen
- Ceratium breve f. parallelum (Schmidt) Jørgensen
- Ceratium breve var. schmidtii (Jørgensen) Sournia
- Ceratium brevicorne Hempel
- Ceratium brevicorne Zacharias
- Ceratium brunellii Rampi
- Ceratium bucephalum (Cleve) [Cleve]
- Ceratium bucephalum var. heterocamptum_('heterocampta') (Jørgensen) Jørgensen
- Ceratium buceros Zacharias
- Ceratium buceros f. clavigerum_('claviger') (Kofoid) Böhm
- Ceratium buceros f. denticulatum (Jørgensen) Böhm
- Ceratium buceros var. denticulatum Jørgensen
- Ceratium buceros f. inclinatum (Kofoid) Böhm
- Ceratium buceros f. leptosomum (Jørgensen) Böhm
- Ceratium buceros f. molle (Kofoid) Böhm
- Ceratium buceros f. tenue (Ostenfeld & Schmidt) Böhm
- Ceratium buceros f. tenuissimum (Kofoid) Böhm
- Ceratium californiense Kofoid
- Ceratium candelabroides [Hensen]
- Ceratium candelabrum (Ehrenberg) Stein
- Ceratium candelabrum var. algarense Schiller
- Ceratium candelabrum f. commune Böhm
- Ceratium candelabrum var. curvatulum Jørgensen
- Ceratium candelabrum f. dilatatum (Gourret) Jørgensen
- Ceratium candelabrum var. depressum (Pouchet) Jørgensen
- Ceratium candelabrum f. depressum (Pouchet) Schiller
- Ceratium candelabrum subsp. depressum (Pouchet) [Steemann Nielsen]
- Ceratium candelabrum var. dilatatum (Gourret) Jørgensen
- Ceratium candelabrum f. eucandelabrum Böhm
- Ceratium candelabrum f. hiemale Böhm
- Ceratium candelabrum var. subrotundum Pavillard
- Ceratium candelabrum f. subrotundum (Pavillard) Sournia
- Ceratium carnegiei Graham & Bronikovsky
- Ceratium carolinianum (Bailey) Jørgensen
- Ceratium carolinianum var. elongatum Skuja
- Ceratium carriense Gourret
- Ceratium carriense f. ceylanicum (B. Schröder) Jørgensen
- Ceratium carriense var. ceylanicum ('ceylanica') (Schröder) Schröder
- Ceratium carriense f. eucarriense Böhm
- Ceratium carriense f. hundhausenii (Schröder) E.J.F. Wood
- Ceratium carriense var. massiliense (Gourret) J.M. Huisman
- Ceratium carriense var. volans (Cleve) Jørgensen
- Ceratium carriense f. volans (Cleve) Er. Lindemann
- Ceratium carriense subsp. volans (Cleve) Margalef & Durán
- Ceratium carriense f. parallelum ('parallela') Pavillard
- Ceratium carriense f. rectangulatum Jørgensen
- Ceratium cephalotum (Lemmermann) Jørgensen
- Ceratium ceylanicum Schröder
- Ceratium claviger Kofoid
- Ceratium coarctatum Pavillard
- Ceratium compressum Gran
- Ceratium concilians Jørgensen
- Ceratium concilians f. contortum (Gourret) Böhm
- Ceratium concilians f. dispar (Pouchet) Böhm
- Ceratium concilians var. subaequale Graham & Bronikovsky
- Ceratium contortum (Gourret) Cleve
- Ceratium contortum var. karstenii (Pavillard) Sournia
- Ceratium contortum var. longinum (Karsten) Sournia
- Ceratium contortum var. robustum (Karsten) Sournia
- Ceratium contortum var. saltans (Schröder) Jørgensen
- Ceratium contortum f. subcontortum (Schröder) Steemann Nielsen
- Ceratium contortum var. subcontortum (Schröder) F.J.R. Taylor
- Ceratium contrarium (Gourret) Pavillard
- Ceratium contrarium f. claviceps (Schröder) Jørgensen
- Ceratium cornutum (Ehrenberg) Claparède & Lachmann
- Ceratium cornutum var. asiaticum Skvortsov
- Ceratium curvicorne (Daday) Cleve
- Ceratium curvirostre Huitfeldt-Kaas
- Ceratium dalmaticum Schröder
- Ceratium declinatum Karsten
- Ceratium declinatum (Karsten) Jørgensen
- Ceratium declinatum subsp. angusticornum Peters
- Ceratium declinatum var. angusticornum (Peters) F.J.R. Taylor
- Ceratium declinatum f. brachiatum Jørgensen
- Ceratium declinatum var. debile Jørgensen
- Ceratium declinatum subsp. declinatum Peters
- Ceratium declinatum subsp. laticornum Peters
- Ceratium declinatum f. majus Jørgensen
- Ceratium declinatum var. majus (Jørgensen) Forti
- Ceratium declinatum f. normale Jørgensen
- Ceratium declinatum var. normale (Jørgensen) F.J.R. Taylor, inval.
- Ceratium declinatum f. orthoceras Böhm
- Ceratium deflexum (Kofoid) Jørgensen
- Ceratium deflexum f. deflectomassum Reinecke invalid
- Ceratium deflexum f. recurvatum (Schröder) Jørgensen
- Ceratium deflexum f. sinense ('sinensis') Reinecke
- Ceratium dens Ostenfeld & Schmidt
- Ceratium dens var. reflexum ('reflexa') Johs. Schmidt
- Ceratium denticulatum (Jørgensen) Paulsen
- Ceratium depressum Gourret
- Ceratium digitatum F. Schütt
- Ceratium digitatum var. rotundatum Jørgensen
- Ceratium digitatum f. rotundatum (Jørgensen) Peters
- Ceratium digitatum subsp. rotundatum (Jørgensen) Reinecke
- Ceratium dilatatum Gourret
- Ceratium dilatatum (Karsten) Kofoid
- Ceratium dilatatum var. depressum (Gourret) Lemmermann
- Ceratium dilatatum var. globatum (Gourret) Lemmermann
- Ceratium dilatatum var. parvum Gourret
- Ceratium divergens (Ehrenberg) Claparède & Lachmann
- Ceratium egyptiacum Halim
- Ceratium egyptiacum f. suezense ('suezensis') Halim
- Ceratium ehrenbergii ('ehrenbergi') Kofoid
- Ceratium elegans Schröder
- Ceratium elongatum Skuja
- Ceratium elongatum (Skuja) Morling
- Ceratium euarcuatum Jørgensen
- Ceratium eugrammum (Ehrenberg) W.S. Kent
- Ceratium extensum (Gourret) Cleve
- Ceratium extensum f. posticojuvenile ('postico-juvenile') Jørgensen
- Ceratium extensum f. strictoides Böhm
- Ceratium extensum f. strictum (Okamura & Nishikawa) Jørgensen
- Ceratium falcatiforme Jørgensen
- Ceratium falcatum (Kofoid) Jørgensen
- Ceratium filicorne Steemann Nielsen
- Ceratium flagelliferum var. filiforme ('filiformis') Okamura & Nishikawa
- Ceratium flagelliferum Cleve
- Ceratium flagelliferum var. angustum ('angusta') Zacharias
- Ceratium flagelliferum var. angustum ('angusta') Karsten
- Ceratium flagelliferum var. arcuatum Zacharias
- Ceratium flagelliferum var. crassum ('crassa') Karsten
- Ceratium flagelliferum var. filiforme ('filiformis') Okamura & Nishikawa
- Ceratium flagelliferum var. majus_('major') Karsten
- Ceratium folium [Hensen]
- Ceratium folium var. digitatum [Hensen]
- Ceratium folium var. floridanum [Hensen]
- Ceratium folium var. horridum [Hensen]
- Ceratium folium var. neapolitanum [Hensen]
- Ceratium folium var. sacculum [Hensen]
- Ceratium furca (Ehrenberg) Claparède & Lachmann
- Ceratium furca var. balticum Möbius
- Ceratium furca var. belone Cleve
- Ceratium furca var. belone (Cleve) Lemmermann
- Ceratium furca f. belonoides Jørgensen
- Ceratium furca var. berghii Lemmermann
- Ceratium furca subsp. berghii (Lemmermann) Jørgensen
- Ceratium furca var. biceps (Claparède & Lachmann) Lemmermann
- Ceratium furca var. brevicorne Lemmermann
- Ceratium furca var. contortum ('contorta') Pouchet
- Ceratium furca f. corpulentum Jørgensen
- Ceratium furca var. depressum ('depressa') Pouchet
- Ceratium furca var. divergens Lemmermann
- Ceratium furca subsp. eugrammum (Ehrenberg) Jørgensen
- Ceratium furca var. eugrammum (Ehrenberg) Schiller
- Ceratium furca var. fusiforme [Hensen]
- Ceratium furca var. geniculatum Lemmermann
- Ceratium furca var. hircus (Schröder) Margalef tech. invalid
- Ceratium furca var. hircus (Schröder) Margalef ex Sournia
- Ceratium furca var. incisum Karsten
- Ceratium furca var. lineatum (Ehrenberg) Jørgensen
- Ceratium furca var. longicorne Lemmermann
- Ceratium furca var. longum Karsten
- Ceratium furca f. magnipes Jørgensen
- Ceratium furca var. mediterraneum Gourret
- Ceratium furca var. medium Gourret
- Ceratium furca f. nannofurca Jørgensen
- Ceratium furca var. pentagonum (Gourret) Lemmermann
- Ceratium furca var. pouchetii Lemmermann
- Ceratium furca f. recurvatum ('recurvata') Stüwe
- Ceratium furca var. singulare Gourret
- Ceratium furca var. tertium Gourret
- Ceratium furca var. typicum Jørgensen
- Ceratium furcoides Zacharias
- Ceratium fusus (Ehrenberg) Dujardin
- Ceratium fusus (Ehrenberg) Claparède & Lachmann
- Ceratium fusus var. acus Daday
- Ceratium fusus var. berghii (Gourret) Lemmermann
- Ceratium fusus var. bicorne [Hensen]
- Ceratium fusus subsp. boreale ('borealis') Pavillard
- Ceratium fusus var. concavum Gourret
- Ceratium fusus var. curvatum [Hensen]
- Ceratium fusus var. extensum Gourret
- Ceratium fusus f. filosum O. Wetzel
- Ceratium fusus var. geniculatum Lemmermann
- Ceratium fusus var. gravidum [Hensen]
- Ceratium fusus var. inaequale ('inaequalis') B. Schröder
- Ceratium fusus f. incertum ('incerta') Deflandre
- Ceratium fusus var. longirostrum (Gourret) Lemmermann
- Ceratium fusus var. longiseta Cleve
- Ceratium fusus f. nodosum O. Wetzel
- Ceratium fusus f. ovatum O. Wetzel
- Ceratium fusus var. pellucidum (Gourret) Lemmermann
- Ceratium fusus f. rhomboides O. Wetzel
- Ceratium fusus var. schuettii Lemmermann
- Ceratium fusus subsp. seta (Ehrenberg) Jørgensen
- Ceratium fusus var. seta (Ehrenberg) Sournia
- Ceratium fusus var. stricta Okamura & Nishikawa
- Ceratium fusus f. tenue_('tenuis') Stüwe
- Ceratium gallicum Kofoid
- Ceratium gallicum f. californiense (Kofoid) Jørgensen
- Ceratium geniculatum (Lemmermann) Cleve
- Ceratium gibberum Gourret
- Ceratium gibberum var. contortum Gourret
- Ceratium gibberum f. dispar (Pouchet) Jørgensen
- Ceratium gibberum var. dispar (Pouchet) Sournia
- Ceratium gibberum f. posticojuvenile ('postico-juvenile') Jørgensen
- Ceratium gibberum var. sinistrum Gourret
- Ceratium gibberum f. sinistrum (Gourret) Jørgensen
- Ceratium gibberum f. subaequale Jørgensen
- Ceratium globatum Gourret
- Ceratium globosum Gourret
- Ceratium gracile Pavillard
- Ceratium gracile (Gourret) Jørgensen
- Ceratium gracile var. coarctatum (Pavillard) Jørgensen
- Ceratium gracile f. orthoceras Jørgensen
- Ceratium gracile f. orthoceras Jørgensen
- Ceratium gracile var. symmetricum (Pavillard) Jørgensen
- Ceratium gracile var. symmetricum (Pavillard) [Dangeard]
- Ceratium gravidum Gourret
- Ceratium gravidum var. angustum Jørgensen
- Ceratium gravidum var. cephalotum Lemmermann
- Ceratium gravidum var. elegans Jørgensen
- Ceratium gravidum var. elongatum ('elongata') E.J.F. Wood
- Ceratium gravidum var. hydrocephalum ('hydrocephala') Schröder
- Ceratium gravidum var. latum Jørgensen
- Ceratium gravidum f. obovatum Jørgensen
- Ceratium gravidum var. praelongum Lemmermann
- Ceratium handalii Skuja
- Ceratium heterocamptum (Jørgensen) Ostenfeld & Schmidt
- Ceratium hexacanthum Gourret
- Ceratium hexacanthum var. aestuarium (Schröder) J. Schiller
- Ceratium hexacanthum var. contortum Lemmermann
- Ceratium hexacanthum f. contortum (Lemmermann) Böhm
- Ceratium hexacanthum f. homomallum Jørgensen
- Ceratium hexacanthum var. karstenii ('karsteni') Pavillard
- Ceratium hexacanthum f. pavillardii (Rampi) Sournia
- Ceratium hexacanthum f. spirale ('spiralis') (Kofoid) Böhm
- Ceratium hircus Schröder
- Ceratium hirundinella (O.F. Müller) Dujardin
- Ceratium hirundinella var. brachyceros ('brachyceras') (Daday) Ostenfeld
- Ceratium hirundinella f. brachyceros (Daday) Schilling
- Ceratium hirundinella f. brachyceroides (Schröder) Thomasson
- Ceratium hirundinella f. brachyceroidestypus Schröder
- Ceratium hirundinella [unranked] curtum Guyer
- Ceratium hirundinella var. fribourgense (Zederbauer) Woloszynska
- Ceratium hirundinella var. furcoides Levander
- Ceratium hirundinella var. furcoides Lavender
- Ceratium hirundinella var. furcoides Zacharias
- Ceratium hirundinella f. furcoides (Levander) Huber
- Ceratium hirundinella var. glaronense [Asper & Hauscher]
- Ceratium hirundinella f. gracile Bachmann
- Ceratium hirundinella f. macroceros [Ludwig]
- Ceratium hirundinella var. montanum [Asper & Hauscher]
- Ceratium hirundinella var. obesum ('obesa') Zacharias
- Ceratium hirundinella var. palustre ('palustris') Guyer
- Ceratium hirundinella var. quadricorne ('quadricornis') Daday
- Ceratium hirundinella var. reticulatum (Imhof) Entz
- Ceratium hirundinella f. robustum Amberg
- Ceratium hirundinella var. robustum (Amberg) Lefèvre
- Ceratium hirundinella f. scotticum Bachmann
- Ceratium hirundinella f. silesiacumtypus Schröder
- Ceratium hirundinella [unranked] typicum Guyer
- Ceratium hirundinella var. varicum ('varica') Zacharias
- Ceratium horridum subsp. buceros (Zacharias) Jørgensen
- Ceratium horridum f. buceros (Zacharias) Böhm
- Ceratium horridum var. buceros (Zacharias) Sournia
- Ceratium horridum var. denticulatum Jørgensen
- Ceratium horridum var. molle (Kofoid) Jørgensen
- Ceratium horridum var. tenue (Ostenfeld & Schmidt) Jørgensen
- Ceratium horridum f. buceros (Zacharias) Jørgensen
- Ceratium horridum f. denticulata Jørgensen
- Ceratium horridum f. tenuissimum (Kofoid) Jørgensen
- Ceratium horridum var. clavigerum_('claviger') (Kofoid) Graham & Bronikovsky
- Ceratium horridum f. clavigerum_('claviger') (Kofoid) Sournia
- Ceratium horridum f. frigidum ('frigida') Paulsen
- Ceratium horridum f. genuinum Jørgensen
- Ceratium horridum f. inclinatum (Kofoid) Böhm
- Ceratium horridum var. inclinatum (Kofoid) F.J.R. Taylor, inval.
- Ceratium horridum f. laeve ('laevis') Okamura
- Ceratium horridum var. molle (Kofoid) Böhm
- Ceratium horridum var. patentissimum (Ostenfeld & Schmidt) F. J. R. Taylor
- Ceratium horridum var. tenue (Ostenfeld & Schmidt) Böhm
- Ceratium humile Jørgensen
- Ceratium hundhausenii ('Hundhauseni') Schröder
- Ceratium hyperboreum Cleve
- Ceratium incisum (Karsten) Jørgensen
- Ceratium inclinatum Kofoid
- Ceratium inclinatum var. minus_('minor') Karsten
- Ceratium incurvatum [Hensen]
- Ceratium inflatum (Kofoid) Jørgensen
- Ceratium inflatum f. concavum (Gourret) Böhm
- Ceratium inflatum subsp. falcatiforme (Jørgensen) Peters
- Ceratium inflatum subsp. falcatum (Kofoid) Peters
- Ceratium inflatum var. inflatum [Peters]
- Ceratium inflatum subsp. longirostrum (Gourret) Peters
- Ceratium inflexum (Gourret) Schröder
- Ceratium inflexum f. clavipes (Schröder) Schröder
- Ceratium inflexum f. claviceps (Schröder) Jørgensen
- Ceratium inflexum var. filiforme ('filiformis') (Okamura & Nishikawa) Jørgensen
- Ceratium intermedium (Jørgensen) Jørgensen
- Ceratium intermedium var. aequatoriale ('aequatorialis') (Schröder) Karsten
- Ceratium intermedium f. batavum (Paulsen) Jørgensen
- Ceratium intermedium var. batavum (Paulsen) Jørgensen
- Ceratium intermedium f. frigidum ('frigida') Paulsen
- Ceratium intermedium var. hundhausenii (Schröder) Karsten
- Scanning error
- Ceratium inversum Karsten
- Ceratium japonicum Schröder
- Ceratium karstenii Pavillard
- Ceratium karstenii var. robustum (Karsten) Jørgensen
- Ceratium karstenii f. robustum (Karsten) Schiller
- Ceratium kofoidii Jørgensen
- Ceratium kumeonense H.J. Carter
- Ceratium labradoricum (Schütt) Vanhöffen
- Ceratium labradoricum 'Schuett'
- Ceratium lamellicorne Kofoid
- Ceratium lanceolatum Kofoid
- Ceratium leptoceras Zacharias
- Ceratium leptosomum Jørgensen
- Ceratium limulus (Pouchet) Gourret
- Ceratium limulus f. contorta Zacharias
- Ceratium lineatum (Ehrenberg) [Cleve]
- Ceratium lineatum var. longisetum ('longiseta') Ostenfeld & Schmidt
- Ceratium lineatum var. robustum ('robusta') Cleve
- Ceratium longicorne Perty
- Ceratium longinum f. caudatum ('caudata') (Karsten) Jørgensen
- Ceratium longipes (Bailey) Cleve
- Ceratium longipes var. amputatum ('amputata') Meunier
- Ceratium longipes var. arcticum ('arctica') Meunier
- Ceratium longipes f. balticum ('baltica') Ostenfeld
- Ceratium longipes var. balticum (Ostenfeld) Jørgensen
- Ceratium longipes var. cristatum ('cristata') Karsten
- Ceratium longipes f. oceanicum ('oceanica') Ostenfeld
- Ceratium longipes var. oceanicum (Ostenfeld) Ostenfeld
- Ceratium longipes var. ventricosum ('ventricosa') Ostenfeld
- Ceratium longipes f. ventricosum (Ostenfeld) Schiller
- Ceratium longirostrum Gourret
- Ceratium longirostrum f. subdivaricatum Jørgensen
- Ceratium lunula [Hensen]
- Ceratium lunula f. brachyceros Jørgensen
- Ceratium lunula f. megaceros Jørgensen
- Ceratium lunula var. obliquum ('obliqua') Zacharias
- Ceratium lunula var. robustum ('robusta') Karsten
- Ceratium lunula var. robustum F.J.R. Taylor
- Ceratium macroceros Schrank
- Ceratium tripos var. macroceros (Ehrenberg) [Cleve]
- Ceratium macroceros subsp. arcticum (Ehrenberg) Gran
- Ceratium macroceros f. californiense (Kofoid) Jørgensen
- Ceratium macroceros var. californiense (Kofoid) Forti
- Ceratium macroceros subsp. compressum Gran
- Ceratium macroceros var. crassum ('crassa') Karsten
- Ceratium macroceros f. anticojuvenile ('antico-juvenile') Jørgensen
- Ceratium macroceros subsp. deflexum Kofoid
- Ceratium macroceros subsp. gallicum (Kofoid) Jørgensen
- Ceratium macroceros var. gallicum (Kofoid) Peters
- Ceratium macroceros var. gallicum (Kofoid) Sournia
- Ceratium macroceros subsp. gallicum (Kofoid) Graham & Bronikovsky
- Ceratium macroceros f. californiense (Kofoid) [Margalef]
- Ceratium macroceros f. posticojuvenile ('postico-juvenile') Jørgensen
- Ceratium (macroceros subsp.) horridum Cleve
- Ceratium macroceros f. intermedium ('intermedia') Jørgensen
- Ceratium macroceros var. karstenii ('karsteni') Abe
- Ceratium macroceros f. latum ('lata') Apstein
- Ceratium (macroceros subsp.) longipes Bailey
- Ceratium macroceros var. tenuissimum ('tenuissima') Karsten
- Ceratium macroceros f. truncatum ('truncata') Apstein
- Ceratium massiliense (Gourret) Karsten
- Ceratium massiliense (Gourret) Jørgensen
- Ceratium massiliense var. armatum (Karsten) Jørgensen
- Ceratium massiliense f. armatum (Karsten) Schiller
- Ceratium massiliense f. posticojuvenile ('postico-juvenile') Jørgensen
- Ceratium massiliense var. carriense (Gourret) Reinecke
- Ceratium massiliense f. crassum Jørgensen
- Ceratium massiliense f. ellipticum Böhm
- Ceratium massiliense var. macroceroides (Karsten) Jørgensen
- Ceratium massiliense var. protuberans (Karsten) Jørgensen
- Ceratium massiliense f. protuberans (Karsten) Böhm
- Ceratium michaelis (Ehrenberg) W.S. Kent
- Ceratium minus Gourret
- Ceratium minutum Jørgensen
- Ceratium molle ('mollis') Kofoid
- Ceratium neglectum Ostenfeld
- Ceratium obesum Pavillard
- Ceratium obliquum Gourret
- Ceratium obtusum Gourret
- Ceratium okamurae_('Okamurai') Schröder
- Ceratium operculatum O. Wetzel
- Ceratium orthoceras (Jørgensen) Pavillard
- Ceratium ostenfeldii ('ostenfeldi') Kofoid
- Ceratium oviforme ('oviformis') Daday
- Ceratium pacificum E. J. F. Wood
- Ceratium pacificum Schröder
- Ceratium pacificum f. angustum ('angusta') Stüwe
- Ceratium ranipes var. palmatum (Schröder) Cleve
- Scanning error
- Ceratium palmatum var. furcellatum (Lemmermann) Jørgensen
- Ceratium palmatum var. ranipes (Cleve) Jørgensen
- Ceratium paradoxides Cleve
- Ceratium parvum Gourret
- Ceratium patentissimum Ostenfeld & Schmidt
- Ceratium pavillardii Jørgensen
- Ceratium pellucidum Gourret
- Ceratium pennatum Kofoid
- Ceratium pennatum f. falcatum ('falcata') Kofoid
- Ceratium pennatum var. falcatum (Kofoid) Jørgensen
- Ceratium pennatum f. inflatum ('inflata') Kofoid
- Ceratium pennatum f. proprium ('propria') Kofoid
- Ceratium pennatum var. scapiforme (Kofoid) Jørgensen
- Ceratium pentagonum Gourret
- Ceratium pentagonum var. longisetum (Ostenfeld & Schmidt) Jørgensen
- Ceratium pentagonum f. turgidum Jørgensen
- Ceratium pentagonum subsp. pacificum Graham & Bronikovsky
- Ceratium pentagonum subsp. pentagonum Peters
- Ceratium pentagonum var. rectum Gourret
- Ceratium pentagonum f. robustum (Cleve) Jørgensen
- Ceratium pentagonum subsp. robustum (Cleve) Graham & Bronikovsky
- Ceratium pentagonum var. subrobustum Jørgensen
- Ceratium pentagonum subsp. subrobustum Peters
- Ceratium pentagonum var. tenerum Jørgensen
- Ceratium pentagonum f. tenerum (Jørgensen) J. Schiller
- Ceratium pentagonum subsp. tenerum (Jørgensen) Graham & Bronikovsky
- Ceratium pentagonum f. turgidum Jørgensen
- Ceratium pentagonum var. turgidum Jørgensen
- Ceratium pentagonum f. turgidum (Jørgensen) Böhm
- Ceratium petersii Steemann Nielsen
- Ceratium platycorne ('platicornis') Daday
- Ceratium platycorne f. compressum ('compressa') (Gran) Gran
- Ceratium platycorne var. compressum (Gran) Jørgensen
- Ceratium platycorne var. cuneatum Jørgensen
- Ceratium platycorne f. cuneatum (Jørgensen) Jørgensen
- Scanning error
- Ceratium platycorne var. dilatatum (Karsten) Jørgensen
- Ceratium platycorne subsp. dilatatum (Karsten) Steemann Nielsen
- Ceratium platycorne f. incisum Jørgensen
- Ceratium platycorne var. lamellicorne (Kofoid) [Peters]
- Ceratium platycorne f. normale ('normalis') Gran
- Ceratium pleuroceras Schrank
- Ceratium porrectum Karsten
- Ceratium porrectum f. megasomum Jørgensen
- Ceratium procerum Gourret
- Ceratium procerum var. divergens Gourret
- Ceratium protuberans (Karsten) Paulsen
- Ceratium pulchellum Schröder
- Ceratium pulchellum f. dalmaticum (Schröder) J. Schiller
- Ceratium pulchellum var. eupulchellum Jørgensen
- Ceratium pulchellum var. indicum Böhm
- Ceratium pulchellum var. joergensenii ('jörgenseni') Wang
- Ceratium pulchellum var. longipes Abé
- Ceratium pulchellum f. posticojuvenile ('postico-juvenile') Jørgensen
- Ceratium pulchellum f. semipulchellum Jørgensen
- Ceratium pulchellum f. tenuicorne Böhm
- Ceratium pulchellum f. tripodioides Jørgensen
- Ceratium pumilum Zacharias
- Ceramium pusillum var. lanceolatum J. Agardh
- Ceratium quinquecorne Gourret
- Ceratium ranipes Cleve
- Ceratium ranipes var. palmatum (Schröder) Jørgensen
- Ceratium ranipes f. furcellatum (Lemmermann) F. J. R. Taylor
- Ceratium ranipes f. palmatum ('palmata') (Schröder) Margalef
- Ceratium recurvatum Schröder
- Ceratium recurvum (Jørgensen) Reinecke
- Ceratium reflexum Cleve
- Ceratium reticulatum Imhof
- Ceratium reticulatum Imhof
- Ceratium reticulatum (Pouchet) Cleve
- Ceratium reticulatum f. contortum (Lemmermann) Jørgensen
- Ceratium reticulatum f. hiemale ('hiemalis') Pavillard
- Ceratium reticulatum var. spirale Kofoid
- Ceratium robustum Ostenfeld & Schmidt
- Ceratium robustum (Cleve) Cleve
- Ceratium rostellum Gourret
- Ceratium saltans Schröder
- Ceratium scapiforme Kofoid
- Ceratium schmidtii ('Schmidti') Jørgensen
- Ceratium schrankii ('schranki') Kofoid
- Ceratium schroeteri ('Schröteri') Schröder
- Ceratium schroeteri Schroeder
- Ceratium semipulchellum (Jørgensen) Steemann Nielsen
- Ceratium seta (Ehrenberg) W.S. Kent
- Ceratium setaceum Jørgensen
- Ceratium setaceum subsp. robustum Peters
- Ceratium fusus var. strictum Okamura & Nishokawa
- Ceratium strictum (Okamura) Kofoid
- Ceratium subcontortum Schröder
- Ceratium subrobustum (Jørgensen) Steemann Nielsen
- Ceratium subsalsum (Ostenfeld) Apstein
- Ceratium subsalsum f. latum ('lata') (Lohmann) Apstein
- Ceratium subsalsum f. lineatum ('lineata') (Ehrenberg) Apstein
- Ceratium subsalsum f. truncatum ('truncata') (Lohmann) Apstein
- Ceratium sumatranum (Karsten) Jørgensen
- Ceratium sumatranum f. angulatum Jørgensen
- Ceratium sumatranum var. recurvum Jørgensen
- Ceratium symmetricum Pavillard
- Ceratium symmetricum var. coarctatum (Pavillard) Graham & Bronikovsky
- Ceratium symmetricum var. orthoceras_('orthoceros') (Jørgensen) H.W. Graham & Bronikovsky
- Ceratium tasmaniae E.J.F. Wood
- Ceratium tenue Ostenfeld & Schmidt
- Ceratium tenue var. buceros (Zacharias) Jørgensen
- Ceratium tenue f. inclinatum (Kofoid) Jørgensen
- Ceratium tenuissimum Kofoid
- Ceratium tenuissimum f. recurvatum ('recurvata') (Karsten) Kofoid
- Ceratium teres Kofoid
- Ceratium teres f. subturgidum Jørgensen
- Ceratium tetraceras Schrank
- Ceratium tricarinatum Kofoid
- Ceratium trichoceros (Ehrenberg) W.S. Kent
- Ceratium trichoceros var. contrarium (Gourret) J. Schiller
- Ceratium trichoceros f. crassum (Karsten) Jørgensen
- Ceratium trichoceros f. crypticum F.J.R. Taylor
- Ceratium tripodioides (Jørgensen) Steemann Nielsen
- Ceratium tripos Karsten
- Ceratium tripos ('tripus') (O.F. Müller) Nitzsch
- Ceratium tripos {info}
- Ceratium tripos var. arcticum (Ehrenberg) Claparède & Lachmann
- Ceratium tripos var. arcticum ('arctica') Aurivillius mss.
- Ceratium tripos var. arcuatum Gourret
- Ceratium tripos f. caudatum ('caudata') Karsten
- Ceratium tripos f. contortum ('contorta') (Gourret) Karsten
- Ceratium tripos f. heterocamptum ('heterocampta') Jørgensen
- Ceratium tripos var. robustum ('robusta') Karsten
- Ceratium tripos var. arietinum Cleve
- Ceratium tripos f. atlanticum ('atlantica') Ostenfeld
- Ceratium tripos var. atlanticum (Ostenfeld) Paulsen
- Ceratium tripos subsp. atlanticum (Ostenfeld) Graham & Bronikovsky
- Ceratium tripos f. neglectum (Ostenfeld) Paulsen
- Ceratium tripos var. auritum ('aurita') Cleve
- Ceratium tripos var. azoricum Cleve
- Ceratium tripos f. reductum ('reducta') Karsten
- Ceratium tripos var. balticum [Schütt]
- Ceratium tripos f. latum ('lata') Lohmann
- Ceratium tripos f. lineatum ('lineata') (Ehrenberg) Lohmann
- Ceratium tripos f. parallelum ('parallela') Johs. Schmidt
- Ceratium tripos f. pendulum ('pendula') Lohmann
- Ceratium tripos f. penduloides Lohmann
- Ceratium tripos f. truncatum ('truncata') Lohmann
- Ceratium tripos var. berghii Lemmermann
- Ceratium tripos var. breve ('brevis') Ostenfeld & Schmidt
- Ceratium tripos var. bucephalum ('bucephalus') Cleve
- Ceratium tripos var. carriense (Gourret) Lemmermann
- Ceratium tripos f. catenulum ('catenula') Hensen
- Ceratium tripos var. contrarium Gourret
- Ceratium tripos var. curvicorne ('curvicornis') Daday
- Ceratium tripos f. dalmaticum (Schröder) Böhm
- Ceratium tripos var. digitatum Lemmermann
- Ceratium tripos f. dilatatum ('dilatata') Karsten
- Ceratium tripos var. dispar Pouchet
- Ceratium tripos var. divaricatum Lemmermann
- Ceratium tripos f. divaricatum (Lemmermann) [Jørgensen]
- Ceratium tripos f. fissum ('fissa') [Hensen]
- Ceratium tripos var. flagelliferum ('flagellifera') Cleve
- Ceratium tripos f. angustum ('angusta') Karsten
- Ceratium tripos f. atlanticum ('atlantica') Stüwe
- Ceratium tripos f. crassum ('crassa') Karsten
- Ceratium tripos var. furcellatum Lemmermann
- Ceratium tripos var. gibberum ('gibbera') B. Schröder
- Ceratium tripos var. gourretii Lemmermann
- Ceratium tripos var. gracile Pouchet
- Ceratium tripos var. gracile Gourret
- Ceratium tripos var. hamata Aurivillius
- Ceratium tripos f. detortum ('detorta') Stüwe
- Ceratium tripos f. hiemale Paulsen
- Ceratium tripos var. horridum ('horrida') Cleve
- Ceratium tripos var. inaequale Gourret
- Ceratium tripos var. indicum (Böhm) F.J.R. Taylor
- Ceratium tripos var. inflexum Gourret
- Ceratium tripos var. irregulatum Stüwe
- Ceratium tripos var. labradoricum Schütt
- Ceratium tripos f. liliput Hensen
- Ceratium tripos var. limulus Pouchet
- Ceratium tripos f. lineatum ('lineata') Lohmann
- Ceratium tripos var. longinum Karsten
- Ceratium tripos var. longipes (Bailey) Cleve
- Ceratium tripos f. longissimum Böhm
- Ceratium tripos var. macroceros (Ehrenberg) Claparède & Lachmann
- Ceratium tripos f. armatum ('armata') Karsten
- Ceratium tripos f. claviceps B. Schröder
- Ceratium tripos f. contrarium ('contraria') (Gourret) B. Schröder
- Ceratium tripos f. graciosum ('graciosa') Stüwe
- Ceratium tripos f. inaequale ('inaequalis') (Gourret) B. Schröder
- Ceratium tripos f. inflexum ('inflexa') (Gourret) B. Schröder
- Ceratium tripos f. intermedium ('intermedia') Jørgensen
- Ceratium tripos f. longissimum ('longissima') B. Schröder
- Ceratium tripos f. massiliense ('massiliensis') (Gourret) B. Schröder
- Ceratium tripos f. palmatum ('palmata') B. Schröder
- Ceratium tripos f. undulatum ('undulata') B. Schröder
- Ceratium tripos var. macroceroides Karsten
- Ceratium tripos var. massiliense Gourret
- Ceratium tripos f. maximum ('maxima') [Hensen]
- Ceratium tripos subsp. mediterraneum Pavillard
- Ceratium tripos var. megaceras Pouchet
- Ceratium tripos var. microceroides Stüwe
- Ceratium tripos f. neglectum ('neglecta') Karsten
- Ceratium tripos f. nobile Böhm
- Ceratium tripos f. novae-scotiae ('novae scotiae') Pavillard
- Ceratium tripos f. pachysomum Jørgensen
- Ceratium tripos var. palmatum ('palmata') (Schröder) Schröder
- Ceratium tripos var. parallelum ('parallela') Schmidt
- Ceratium tripos f. parallelogrammon Hensen
- Ceratium tripos var. parvulum ('parvula') [Schütt]
- Ceratium tripos f. patulum Böhm
- Ceratium tripos f. platyceras Hensen
- Ceratium tripos var. platycorne ('platicorne') (Daday) Lemmermann
- Ceratium tripos var. platycorne ('platycornis') (Daday) Ostenfeld
- Ceratium tripos var. ponticum Jørgensen
- Ceratium tripos f. ponticum (Jørgensen) Schiller
- Ceratium tripos f. pachysomum Jørgensen
- Ceratium tripos var. porrectum (Karsten) Margalef
- Ceratium tripos var. protuberans Karsten
- Ceratium tripos var. pulchellum (Schröder) Peters
- Ceratium tripos var. pulchellum (Schröder) Lopez
- Ceratium tripos var. pulchellum (Schröder) Lopez ex Sournia
- Ceratium tripos var. rectangulum Lemmermann
- Ceratium tripos f. reflexum ('reflexa') (Cleve) [Hensen]
- Ceratium tripos var. reticulatum Pouchet
- Ceratium tripos var. scoticum [Schütt]
- Ceratium tripos subsp. semipulchellum (Jørgensen) Peters
- Ceratium tripos subsp. semipulchellum (Jørgensen) Graham & Bronikovsky
- Ceratium tripos var. spinosum ('spinosus') Daday
- Ceratium tripos f. subsalsum ('subsalsa') Ostenfeld
- Ceratium tripos var. subsalsum ('subsalsa') (Ostenfeld) Paulsen
- Ceratium tripos f. hiemale (Paulsen) Apstein
- Ceratium tripos f. latum ('lata') (Lohmann) Apstein
- Ceratium tripos f. latum ('lata') (Lohmann) Lohmann \{also on card, before terminal f.: f. subsalsum ('subsalsa') Ostenfeld, rank possibly in error\}
- Ceratium tripos f. lineatum ('lineata') (Ehrenberg) Apstein
- Ceratium tripos f. lineatum ('lineatum') (Ehrenberg) Lohmann \{also on card, before terminal f.: f. subsalsum ('subsalsa') Ostenfeld, rank possibly in error\}
- Ceratium tripos f. pendulum ('pendula') (Lohmann) Lohmann \{also on card, before terminal f.: f. subsalsum ('subsalsa') Ostenfeld, rank possibly in error\}
- Ceratium tripos f. truncatum ('truncata') (Lohmann) Apstein
- Ceratium tripos f. truncatum ('truncata') (Lohmann) Lohmann \{also on card, before terminal f.: f. subsalsum ('subsalsa') Ostenfeld, rank possibly in error\}
- Ceratium tripos f. typicum ('typica') Lohmann \{also on card, before terminal f.: f. subsalsum ('subsalsa') Ostenfeld, rank possibly in error\}
- Ceratium tripos var. sufflatum Stüwe
- Ceratium tripos var. tergestinum ('tergestina') Hensen
- Ceratium tripos f. tortuosum ('tortuosa') Hensen
- Ceratium tripos var. tripodioides (Jørgensen) Paulsen
- Ceratium tripos subsp. tripodioides (Jørgensen) [Steemann Nielsen]
- Ceratium tripos var. typicum Gourret
- Ceratium tripos var. typus Ostenfeld
- Ceratium tripos var. volans Cleve
- Ceratium tripos f. recurvatum ('recurvata') Karsten
- Ceratium tripos f. strictissimum ('strictissima') Karsten
- Ceratium tripos var. vultur Cleve
- Ceratium tripos subsp. vultur (Cleve) Karsten
- Ceratium tripos f. vultur (Cleve) [Hensen]
- Ceratium truncatum ('truncata') (Lohmann) Apstein
- Ceratium uncinus Sournia
- Ceratium varians Mangin
- Ceratium varicum Zacharias
- Ceratium volans Cleve \{also on card, after genus: (tripos var.?)\}
- Ceratium volans var. campanulatum ('campanulata') Karsten
- Ceratium volans var. patentissimum ('patentissima') (Ostenfeld & Schmidt) Karsten
- Ceratium volans f. porrectum ('porrecta') Zacharias
- Ceratium vultur Cleve \{also on card, after genus: (tripos var.?)\}
- Ceratium vultur f. angulatum (Jørgensen) Schiller
- Ceratium vultur f. angulatum (Jørgensen) F. J. R. Taylor
- Ceratium vultur var. japonicum (B. Schröder) Jørgensen
- Ceratium vultur f. japonicum (Schröder) E.J.F. Wood tech. invalid
- Ceratium vultur f. japonicum (Schröder) Wood ex Sournia
- Ceratium vultur f. robustum (Ostenfeld & Schmidt) F. J. R. Taylor
- Ceratium vultur f. neglectum (Karsten) Reinecke
- Ceratium vultur var. pavillardii (Jørgensen) Graham & Bronikovsky
- Ceratium vultur var. productum E.J.F. Wood
- Ceratium vultur f. recurvum (Jørgensen) J. Schiller
- Ceratium vultur var. recurvum (Jørgensen) Graham & Bronikovsky
- Ceratium vultur var. regulare Graham & Bronikovsky
- Ceratium vultur var. reversum Graham & Bronikovsky
- Ceratium vultur var. sumatranum (Karsten) Steemann Nielsen
- Ceratium vultur var. sumatranum ('sumatrana') Karsten
- Ceratium vultur f. sumatranum (Karsten) Sournia
- Ceratium vultur ('vulture') f. valdiviae Reinecke invalid
- CERATOCHORRIS Daday
- Ceratochorris horrida Daday
- Ceratochorris tridentata Daday
- CERATOCOCCUS Kützing in herb
- CERATOCOLAX Rosenvinge
- Ceratocolax hartzii Rosenvinge
- CERATOCORYS Stein
- CERATOCORYS \{also on card: subgenera by Graham\}
- Ceratocorys allenii ('alleni') Osorio Tafall
- Ceratocorys anacantha M.C. Carbonell-Moore
- Ceratocorys armata ('armatum') (Schütt) Kofoid
- Ceratocorys asymmetrica Karsten
- Ceratocorys aultii Graham
- Ceratocorys gourretii ('Gourreti') Paulsen
- Ceratocorys gourretii ('Gourreti') Paulsen
- Ceratocorys grahamii M.C. Carbonell-Moore
- Ceratocorys hirsuta Matzenauer
- Ceratocorys horrida Stein
- Ceratocorys horrida var. africana Karsten
- Ceratocorys horrida var. longicornis Lemmermann
- Ceratocorys indica_('indicus') E.J.F. Wood
- Ceratocorys jourdanii ('jourdani') (Gourret) Kofoid
- Ceratocorys kofoidii ('Kofoidi') Paulsen
- Ceratocorys magna Kofoid
- Ceratocorys reticulata Graham
- Ceratocorys skogsbergii Graham
- Ceratocorys smolenskiensis Vozzhennikova
- Ceratocorys spinifera Murray & Whitting
- Ceratocorys tridentata (Daday) Schiller
- CERATOCYSTIDIOPSIS Deflandre
- Ceratocystidiopsis incerta Deflandre-Rigaud
- Ceratocystidiopsis ludbrookii ('ludbrooki') Cookson & Eisenack
- Ceratocystidiopsis molesta Deflandre
- Ceratocystidiopsis simplex Deflandre
- CERATODICTYON Zanardini
- Ceratodictyon hachijoense (Yamada & Segawa) R.E. Norris
- Ceratodictyon intricatum (C. Agardh) R. E. Norris
- Ceratodictyon pannosum (Grunow) R. E. Norris
- Ceratodictyon repens (Kützing) R. E. Norris
- Ceratodictyon scoparium (Montagne & Millardet) R. E. Norris
- Ceratodictyon spongioides "Zanardini"
- Ceratodictyon spongiosum Zanardini
- Ceratodictyon variabile (J. Agardh) R.E. Norris
- CERATODINIUM Conrad
- Ceratodinium asymetricum Conrad
- CERATODISCUS Meakin
- Ceratodiscus barkeri ('barkerii') Meakin
- CERATOLITHINA Martini
- Ceratolithina hamata Martini
- Ceratolithina vesca Bukry & Percival
- CERATOLITHOIDES Bramlette & Martini
- Ceratolithoides kamptneri Bramlette & Martini
- CERATOLITHUS Kamptner
- CERATOLITHUS Kamptner
- Ceratolithus amplificus Bukry & Percival
- Ceratolithus armatus Carla Müller
- Ceratolithus atlanticus K. Perch-Nielsen
- Ceratolithus bizzarus Bukry
- Ceratolithus cristatus Kamptner
- Ceratolithus cristatus Kamptner
- Ceratolithus dentatus Bukry
- Ceratolithus farnsworthii Gartner
- Ceratolithus lyramuliformis Roukhiyajnen
- Ceratolithus primus Bukry & Percival
- Ceratolithus rugosus Bukry & Bramlette
- Ceratolithus rugosus (Bramlette & Wilcoxon) Lipps
- Ceratolithus sinensis Chongyou Wang
- Ceratolithus telesmus Norris
- Ceratolithus tricorniculatus Gartner
- Ceratoma coccinea Schousboe