Index Nominum Algarum Image Index

518 CARD IMAGES
beginning with ARCHAEOLITHOTHAMNIUM Rothpletz

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  1. ARCHAEOLITHOTHAMNIUM Rothpletz
  2. ARCHAEOLITHOTHAMNION Foslie
  3. ARCHAEOLITHOTHAMNION
  4. Archaeolithothamnion affine M.A. Howe
  5. Archaeolithothamnion afonense ('afonensis') Maslov
  6. Archaeolithothamnion africanum Foslie
  7. Archaeolithothamnion aliacense Conti
  8. Archaeolithothamnion amphiroiforme ('amphiroaeformis') (Rothpletz) Pfender
  9. Archaeolithothamnion anastomosans Pfender
  10. Archaeolithothamnion antenorense Pfender
  11. Archaeolithothamnion archisporangium ('archisporangia') Sripada Rao
  12. Archaeolithothamnion aschersonii ('Aschersoni') (Schwanger) Foslie
  13. Archaeolithothamnion aschersonii f. durum_('dura') (Heydrich) Foslie
  14. Archaeolithothamnion aschersonii f. molle_('mollis') (Heydrich) Foslie
  15. Archaeolithothamnion australasicum Foslie
  16. Archaeolithothamnion azaniense Airoldi
  17. Archaeolithothamnion batalleri Me. Lemoine
  18. Archaeolithothamnion batuense Airoldi
  19. Archaeolithothamnion brevium Me. Lemoine
  20. Archaeolithothamnion brevium var. substriatum Me. Lemoine
  21. Archaeolithothamnion cenomanicum (Rothpletz) Foslie
  22. Archaeolithothamnion cenomanicum (Rothpletz) Foslie (cont.)
  23. Archaeolithothamnion chamarrosum Johnson
  24. Archaeolithothamnion chamorrosum Johnson
  25. Archaeolithothamnion chamorrosum f. mamillosum Segonzac
  26. Archaeolithothamnion cherrapunjiense ('cherrapunjiensis') (Das Gupta) Sripada Rao
  27. Archaeolithothamnion chilense Foslie
  28. Archaeolithothamnion cohaerens Segonzac
  29. Archaeolithothamnion crassum (Heydrich) Foslie
  30. Archaeolithothamnion crassiramosum Pilger
  31. Archaeolithothamnion cretaceum Pfender
  32. Archaeolithothamnion crispatum (Hauck) Foslie
  33. Archaeolithothamnion crosslandii ('crosslandi') Me. Lemoine
  34. Archaeolithothamnion crustatum J. H. Johnson
  35. Archaeolithothamnion dollfusii ('dollfussi') Me. Lemoine
  36. Archaeolithothamnion cyrenaicum Raineri
  37. Archaeolithothamnion dallonii Me. Lemoine
  38. Archaeolithothamnion dehorneae ('dehornae') Pfender
  39. Archaeolithothamnion digitatum Pfender
  40. Archaeolithothamnion dimotum Foslie & Howe
  41. Archaeolithothamnion durum Foslie
  42. Archaeolithothamnion ellipticum Me. Lemoine
  43. Archaeolithothamnion eniwetokense ('eniwetokensis') J. H. Johnson
  44. Archaeolithothamnion episoredion W.H. Adey, R.A. Townsend, & W.T Boykins
  45. Archaeolithothamnion episporum Howe
  46. Archaeolithothamnion erythraeum (Rothpletz) Foslie
  47. Archaeolithothamnion erythraeum f. durum ('dura') (Heydrich) Foslie
  48. Archaeolithothamnion erythraeum f. molle ('mollis') (Heydrich) Foslie
  49. Archaeolithothamnion ferganense Maslov
  50. Archaeolithothamnion feuillei Me. Lemoine
  51. Archaeolithothamnion fijiense ('fijiensis') J.H. Johnson & B.J. Ferris
  52. Archaeolithothamnion floridanum J.H. Johnson & B.J. Ferris
  53. Archaeolithothamnion fosliei (Heydrich) Foslie
  54. Archaeolithothamnion fosteri Johnson
  55. Archaeolithothamnion fosteri Johnson
  56. Archaeolithothamnion gosaviense (Rothpletz) Foslie
  57. Archaeolithothamnion guembelii ('Gümbeli') Foslie
  58. Archaeolithothamnion gunteri J.H. Johnson & B.J. Ferris
  59. Archaeolithothamnion haugii ('haugi') Pfender
  60. Archaeolithothamnion hemchandrii ('hemchandri') Sripada Rao
  61. Archaeolithothamnion hippuritorum Pfender
  62. Archaeolithothamnion hippuritorum var. pygmaeum Pfender
  63. Archaeolithothamnion howei Me. Lemoine
  64. Archaeolithothamnion intermedium Raineri
  65. Archaeolithothamnion irinae Maslov
  66. Archaeolithothamnion keenanii ('keenani') Howe
  67. Archaeolithothamnion keenanii var. lvovicum Maslov
  68. Archaeolithothamnion lakiense ('lakiensis') Varma
  69. Archaeolithothamnion langrinense ('langrinensis') K. S. Rao
  70. Archaeolithothamnion langrinense ('langrinensis') Sripada Rao
  71. Archaeolithothamnion latifoliaceum Pfender
  72. Archaeolithothamnion lauensum J.H. Johnson & B.J. Ferris
  73. Archaeolithothamnion lemoinei Weber Bosse
  74. Archaeolithothamnion liberum Me. Lemoine
  75. Archaeolithothamnion lithothamnioides 'Foslie'
  76. Archaeolithothamnion lucasii ('lucasi') Segonzac
  77. Archaeolithothamnion lugeonii ('Luqeoni') Pfender
  78. Archaeolithothamnion lycoperdioides (Michelin) Me. Lemoine
  79. Archaeolithothamnion macrosporangium Johnson
  80. Archaeolithothamnion mamillosum (Gümbel) Me. Lemoine
  81. Archaeolithothamnion mansionense Segonzac
  82. Archaeolithothamnion marmoreum Munier-Chalmas ms.
  83. Archaeolithothamnion marshallensum J. H. Johnson
  84. Archaeolithothamnion mediterraneum Heydrich
  85. Archaeolithothamnion mediterraneum (Heydrich) Foslie
  86. Archaeolithothamnion megamiense ('megamiensis') Ishijima
  87. Archaeolithothamnion megasporum Johnson
  88. Archaeolithothamnion mirabile Foslie
  89. Archaeolithothamnion molle (Heydrich) Foslie
  90. Archaeolithothamnion myriosporum Johnson
  91. Archaeolithothamnion nammalense ('nammalensis') Varma
  92. Archaeolithothamnion nongsteinense ('nongsteinensis') K. S. Rao
  93. Archaeolithothamnion nongsteinense ('nongsteinensis') Sripada Rao
  94. Archaeolithothamnion oulianoffii ('Oulianovi') Pfender
  95. Archaeolithothamnion pacificum (Dawson) Dawson
  96. Archaeolithothamnion parisiense (Gümbel) Me. Lemoine
  97. Archaeolithothamnion paronae ('paronai') Raineri
  98. Archaeolithothamnion penicillum Pfender
  99. Archaeolithothamnion perplexum J. H. Johnson
  100. Archaeolithothamnion platycarpum Foslie
  101. Archaeolithothamnion pondicherriense ('pondicherriensis') Sastry, Rao, & Iqbaluddin
  102. Archaeolithothamnion praeerithraeum Airoldi
  103. Archaeolithothamnion provinciale Pfender
  104. Archaeolithothamnion ptychoides (Heydrich) Foslie
  105. Archaeolithothamnion puntiense Airoldi
  106. Archaeolithothamnion ranikotense ('ranikotensis') S. R. Narayana Rao
  107. Archaeolithothamnion ravae ('Ravai') Airoldi
  108. Archaeolithothamnion rothpletzii ('Rothpletzi') (Trabacco) Foslie
  109. Archaeolithothamnion rude Me. Lemoine
  110. Archaeolithothamnion saipanense Johnson
  111. Archaeolithothamnion samanense ('samanensis') S. R. Narayana Rao
  112. Archaeolithothamnion sarawakense Johnson
  113. Archaeolithothamnion schmidtii Foslie
  114. Archaeolithothamnion schmidtii f. dissitum ('dissita') Foslie
  115. Archaeolithothamnion sibogae A. Weber-van Bosse & Foslie
  116. Archaeolithothamnion sociabile Me. Lemoine
  117. Archaeolithothamnion somense ('somensis') R. Endo
  118. Archaeolithothamnion statiellense Airoldi
  119. Archaeolithothamnion stefaninii Raineri
  120. Archaeolithothamnion taiwanense ('taiwanensis') Ishijima
  121. Archaeolithothamnion timorense Foslie
  122. Archaeolithothamnion torulosum 'Gümbel'
  123. Archaeolithothamnion turonicum (Rothpletz) Foslie
  124. Archaeolithothamnion zonatosporum Foslie
  125. Archaeolithothamnion zonatosporum Foslie (cont.)
  126. Archaeolithothamnion zonatum Varma
  127. ARCHAEOMONADOPSIS Deflandre
  128. Archaeomonadopsis incerta Rampi
  129. SCANNING ERROR
  130. Archaeomonadopsis lagenula Deflandre
  131. ARCHAEOMONAS Deflandre
  132. Archaeomonas aenigmatica Rampi
  133. Archaeomonas americana Rampi
  134. Archaeomonas angulosa Deflandre
  135. Archaeomonas areolata Deflandre
  136. Archaeomonas bizonata Deflandre
  137. Archaeomonas californica Deflandre
  138. Archaeomonas caulleryi Deflandre
  139. Archaeomonas cavata Hajós
  140. Archaeomonas cayeuxii_('Cayeuxi') Deflandre
  141. Archaeomonas chenevierei Deflandre
  142. Archaeomonas cingulata Deflandre
  143. Archaeomonas circuligera Rampi
  144. Archaeomonas clathrata Hajós
  145. Archaeomonas clavata Hajós
  146. Archaeomonas colligera Hajós
  147. Archaeomonas compressa Deflandre
  148. Archaeomonas cordiformis Deflandre
  149. Archaeomonas costata Rampi
  150. Archaeomonas cratera Deflandre
  151. Archaeomonas crateraradiata Hajós
  152. Archaeomonas craterareticulata Hajós
  153. Archaeomonas cylindropora Deflandre
  154. Archaeomonas deflandriana Hajós
  155. Archaeomonas dentata Deflandre
  156. Archaeomonas didinium Deflandre
  157. Archaeomonas dubia Deflandre
  158. Archaeomonas edwardsii Perch-Nielsen
  159. Archaeomonas ficus Deflandre
  160. Archaeomonas fistulata Hajós
  161. Archaeomonas formosa Deflandre
  162. Archaeomonas glabra Rampi
  163. Archaeomonas gracilis Tynan
  164. Archaeomonas granulata Rampi
  165. Archaeomonas gratiosa Hajós
  166. Archaeomonas helminthophora Deflandre
  167. Archaeomonas heteroptera Deflandre
  168. Archaeomonas heteroptera var. major Frenguelli
  169. Archaeomonas hirsuta Deflandre
  170. Archaeomonas hungarica Hajós
  171. Archaeomonas inconspicua Deflandre
  172. Archaeomonas insignis Deflandre
  173. Archaeomonas irregularis Deflandre
  174. Archaeomonas japonica Deflandre
  175. Archaeomonas karinae K. Perch-Nielsen
  176. Archaeomonas kekkoensis Deflandre
  177. Archaeomonas kreyenhagensis Rampi
  178. Archaeomonas lefeburei Deflandre
  179. Archaeomonas mamillosa Tynan
  180. Archaeomonas manginii ('Mangini') Deflandre
  181. Archaeomonas melo Deflandre
  182. Archaeomonas mirabilis Perch-Nielsen
  183. Archaeomonas multipunctata Rampi
  184. Archaeomonas multispinosa Tynan
  185. Archaeomonas nebulosa Deflandre
  186. Archaeomonas ninae K. Perch-Nielsen
  187. Archaeomonas norvegiensis K. Perch-Nielsen
  188. Archaeomonas oamaruensis Deflandre
  189. Archaeomonas oligacantha Deflandre
  190. Archaeomonas orbicularis Deflandre
  191. Archaeomonas ornata Rampi
  192. Archaeomonas ovalis Deflandre
  193. Archaeomonas ovoidea Deflandre
  194. Archaeomonas ovulum Rampi
  195. Archaeomonas paucispinosa Deflandre
  196. Archaeomonas postarmata Deflandre
  197. Archaeomonas pseudocompressa Hajós
  198. Archaeomonas pseudocratera Hajós
  199. Archaeomonas pseudoformosa Hajós
  200. Archaeomonas pseudosaturnus Hajós
  201. Archaeomonas punctata Deflandre
  202. Archaeomonas punctifera Deflandre
  203. Archaeomonas rampii Perch-Nielsen
  204. Archaeomonas reticulata Hajós
  205. Archaeomonas reticulosa Deflandre
  206. Archaeomonas rigaudiae_('rigaudae') Rampi
  207. Archaeomonas ritae Rampi
  208. Archaeomonas robusta Rampi
  209. Archaeomonas saturnus Deflandre
  210. Archaeomonas scabratula Deflandre
  211. Archaeomonas speciosa Deflandre
  212. Archaeomonas spectabilis Deflandre
  213. Archaeomonas sphaerica Deflandre
  214. Archaeomonas sphaeroidea Deflandre
  215. Archaeomonas spinosa Hajós
  216. Archaeomonas striata Deflandre
  217. Archaeomonas szurdokpuespoekiensis Hajós
  218. Archaeomonas transversa Perch-Nielsen
  219. Archaeomonas tubulata Deflandre
  220. Archaeomonas venusta Deflandre
  221. Archaeomonas vermiculosa Deflandre
  222. Archaeomonas verrucosa Rampi
  223. Archaeomonas wilsonii ('wilsoni') Tynan
  224. Archaeomonas zonata Hajós
  225. ARCHAEONEMA Schopf
  226. Archaeonema longicellulare_('longicellularis') Schopf
  227. ARCHAEOPERISACCUS Naumova
  228. Archaeoperisaccus balticus Naumova
  229. ARCHAEOPERTUSINA S. N. Naumova
  230. Archaeopertusina atava Naumova
  231. ARCHAEOPOROLITHON Pal & Ghosh
  232. ARCHAEOPOROLITHON A. K. Pal & Ghosh
  233. Archaeoporolithon miocenicum ('miocenica') Pal & Ghosh
  234. Archaeoporolithon miocenicum A. K. Pal & Ghosh
  235. ARCHAEORESTIS Barghoorn
  236. Archaeorestis schreiberensis Barghoorn
  237. ARCHAEORHABDULITES Deflandre
  238. Archaeorhabdulites quadratus Deflandre
  239. Archaeorhabdulites strangulatus Deflandre
  240. ARCHAEOSPHAERIDIUM Deflandre
  241. Archaeosphaeridium armatum Hajós
  242. Archaeosphaeridium australense ('australensis') Perch-Nielsen
  243. Archaeosphaeridium cavernosum Hajós
  244. Archaeosphaeridium dangeardianum Deflandre
  245. Archaeosphaeridium dentatum Deflandre
  246. Archaeosphaeridium dumitricae Perch-Nielsen
  247. Archaeosphaeridium erectum Deflandre
  248. Archaeosphaeridium laticolle Deflandre
  249. Archaeosphaeridium ornatum Deflandre
  250. Archaeosphaeridium pachyceros Deflandre
  251. Archaeosphaeridium strangulatum Deflandre
  252. Archaeosphaeridium tasmaniae Perch-Nielsen
  253. ARCHAEOSPHAERODINIOPSIS Rampi
  254. Archaeosphaerodiniopsis verrucosa Rampi
  255. ARCHAEOSPHAEROIDES Schopf & Barghoorn
  256. Archaeosphaeroides barbertonensis Schopf & Barghoorn
  257. ARCHEOTECTATUM Habib
  258. Archeotectatum sarjeantii ('sarjeanti') Habib
  259. ARCHAEOTHRIX Kidston & Lang
  260. Archaeothrix oscillatoriformis Kidston & Lang
  261. ARCHAEPERIDINIUM Jørgensen
  262. ARCHAEPERIDINIUM (Jørgensen) Lebour \{also on card: Subgenus of Peridinium\}
  263. ARCHAEPERIDINIUM (Jørgensen) Balech \{also on card: subgenus of Protoperidinium\}
  264. Archaeperidinium minutum (Kofoid) Jørgensen
  265. Archaeperidinium monospinum (Paulsen) Jørgensen
  266. ARCHAMPHIROA Steinmann
  267. ARCHAMPHIROA Steinmann
  268. Archamphiroa carpiana Dragastan
  269. Archamphiroa jurassica Steinmann
  270. Archamphiroa jurassica Steinmann
  271. ARCHEOPSIS {A. monococca}
  272. Archeopsis monococca (Kützing) Skuja
  273. ARCHEPYRGUS R. Gersonde & D.M. Harwood
  274. Archepyrgus melosiroides R. Gersonde & D. M. Harwood
  275. ARCHERINA Lankester
  276. Archerina boltonii ('boltoni') Lankester
  277. ARCHIAMPHORA Cleve \{also on card: Subgenus of Amphora\}
  278. ARCHIMEDEA Bory mss.
  279. ARCOCELLULUS Hasle, von Stosch, & Syvertsen
  280. Arcocellulus cornucervis Basle, von Stosch, & Syvertsen
  281. Arcocellulus mammifer Hasle, von Stosch, & Syvertsen
  282. Arctyocha bukryi T.V. Desikachary & P. Prema
  283. ARDISSONEA De Notaris
  284. ARDISSONIA (De Notaris) Schütt \{also on card: Section of Synedra\}
  285. ARDISSONEA J. Agardh
  286. Ardissonea baculus (Gregory) Grunow
  287. Ardissonea crystallina (Kützing) Grunow
  288. Ardissonea crystallina var. bacillaris (Grunow) Grunow
  289. Ardissonea crystallina var. insignis (Grunow) Grunow
  290. Ardissonea formosa (Hantzsch) Grunow
  291. Ardissonea fulgens (Greville) Grunow
  292. Ardissonea fulgens var. mediterranea [(Grunow)] [Mereschkowsky]
  293. Ardissonea naccarioides J. Agardh
  294. Ardissonea pulcherrima (Hantzsch) Grunow
  295. Ardissonea robusta (Ralfs) De Notaris
  296. Ardissonea superba (Kützing) Grunow
  297. ARDISSONULA De Toni f.
  298. Ardissonula regularis (Okamura) De Toni f.
  299. Ardreanema farifructa Norris & Abbott {supplanted}
  300. Ardreanema seriosporum ('seriospora') (E.Y. Dawson) R.E. Norris \{pcs\}
  301. AREMORICANIUM Deunff
  302. Aremoricanium decoratum Loeblich, Jr. & MacAdam
  303. Aremoricanium rigaudiae_('rigaudae') Denuff
  304. Aremoricanium simplex Loeblich, Jr. & MacAdam
  305. Aremoricanium squarrosum Loeblich, Jr. & MacAdam
  306. Aremoricanium syringosagis Loeblich, Jr. & MacAdam
  307. Aremoricanium tenuiprocessum G. Burmann
  308. Aremoricanium tosotrichion Loeblich, Jr. & MacAdam
  309. ARENAMONAS Skvortsov
  310. Arenamonas arenicola Skvortsov
  311. Arenarella curvata Vologdin
  312. ARENARINA Vologdin
  313. Arenarina colligata Vologdin
  314. Arenarina columnella Vologdin
  315. Arenarina correcta Vologdin
  316. Arenarina curvata Vologdin
  317. Arenarina levis Vologdin
  318. Areolaria cristata Schousboe
  319. Areolaria dentata Schousboe
  320. Areolaria denticulata Schousboe
  321. Areolaria epiphylla Schousboe
  322. Areolaria hamata Schousboe
  323. Areolaria lacerata Schousboe
  324. Areolaria papyracea Schousboe
  325. Areolaria pusilla Schousboe
  326. Areolaria ruscifolia Schousboe
  327. AREOLIGERA Lejeune-Carpentier
  328. Areoligera birama ('biramum') Maier
  329. Areoligera campoensis Caro
  330. Areoligera cassicula Drugg
  331. Areoligera coronata (O. Wetzel) Lejeune-Carpentier
  332. Areoligera danica W. Wetzel
  333. Areoligera dermatica ('dermaticum') Maier
  334. Areoligera galea (Maier) Davey, Downie, Sarjeant, & Williams
  335. Areoligera ganjui Hussain
  336. Areoligera incerta Klumpp
  337. Areoligera lychnea (Maier) Davey, Downie, Sarjeant, & Williams
  338. Areoligera medusettiformis (O. Wetzel) Lejeune-Carpentier
  339. Areoligera semicirculata (Morgenroth) Stover & Evitt
  340. Areoligera senonensis Lejeune-Carpentier
  341. Areoligera sentosa Eaton
  342. Areoligera tauloma Eaton
  343. Areoligera tenuicapillata (O. Wetzel) Lejeune-Carpentier
  344. Areoligera tenuicapillata f. turbilineata (O. Wetzel) Lejeune-Carpentier
  345. Areoligera twistringensis (Maier) Davey, Downie, Sarjeant, & Williams
  346. Areoligera undulata Eaton
  347. Areoligera vermiculata Corradini
  348. Areoligera volata Drugg
  349. AREOSPHAERIDIUM G. L. Eaton
  350. Areosphaeridium actinocoronatum (Benedek) Stover & Evitt
  351. Areosphaeridium arcuatum G.L. Eaton
  352. Areosphaeridium capricornum (Cookson & Eisenack) Stover & Evitt
  353. Areosphaeridium diktyloplokus (Klumpp) G. L. Eaton
  354. Areosphaeridium multicornutum G. L. Eaton
  355. Areosphaeridium pectiniforme (Gerlach) Stover & Evitt
  356. ARESCHOUGIA Meneghini
  357. ARESCHOUGIA Trevisan
  358. ARESCHOUGIA Harvey
  359. Areschougia australis (Sonder) Harvey
  360. Areschougia breviarticulata (Suhr) Meneghini
  361. Areschougia conferta Harvey
  362. Areschougia conferta Harvey (cont.)
  363. Areschougia congesta J. Agardh
  364. Areschougia congesta var. filiformis_('filiforme') V.J. Chapman
  365. Areschougia curta (Dillwyn) Meneghini
  366. Areschougia dumosa Harvey
  367. Areschougia gracilarioides Harvey
  368. Areschougia intermedia J. Agardh
  369. Areschougia interupta J. Agardh
  370. Areschougia laurencia (Hooker f. & Harvey) Harvey
  371. Areschougia laurencia f. longiramea Lucas
  372. Areschougia ligulata Harvey mss.
  373. Areschougia ligulata Harvey ex J. Agardh
  374. Areschougia ligulata Harvey mscr.
  375. Areschougia sedoides Harvey
  376. Areschougia spectabilis (Sonder) Trevisan
  377. Areschougia stellaris (Areschoug) Meneghini
  378. Areschougia stuartii Harvey
  379. Areschougia wallrothii Meneghini
  380. ARGILLAMONAS Skvortsov
  381. Argillamonas brasiliana Skvortsov
  382. ARGONAUTA G. Karsten
  383. Argonauta grayii Karsten
  384. ARHABDOMONAS Fisch
  385. Arhabdomonas vulgaris Fisch
  386. ARISTATAE Skuja \{also on card: section of Batrachospermum\}
  387. ARISTATAE Skuja ex O. Necchi \{also on card: section of Batrachospermum\}
  388. ARISTATA Skuja ex S. Kumano \{also on card: section of Batrachospermum\}
  389. ARISTATA S. Kumano \{also on card: subsection of Batrachospermum\}
  390. ARISTELLA Kützing
  391. Aristella minuta Kützing
  392. ARISTOPHYCOS Massalongo
  393. Aristophycus ramosus_('ramosum') Miller & Dyer
  394. ARISTOTHAMNION J. Agardh
  395. Aristothamnion callithamnioides Joly & Ugadim
  396. Aristothamnion collabens (Rudolphi) Papenfuss
  397. Aristothamnion purpuriferum (Kützing) J. Agardh
  398. Aristothamnion ramelliferum ('ramellifera') Baardseth
  399. Aristothamnion tysonii ('Tysoni') Barton
  400. ARKHANGELSKIELLA Vekshina
  401. Arkhangelskiella bevieri (Bukry) Shumenko
  402. Arkhangelskiella clivosa Shumenko
  403. Arkhangelskiella concava Gartner
  404. Arkhangelskiella costata Gartner
  405. Arkhangelskiella cribrata (E. Gazdzicka) S.W. Wise, Jr.
  406. Arkhangelskiella cymbiformis Vekshina cent. n.
  407. Arkhangelskiella cymbiformis var. minima Manivit
  408. Arkhangelskiella cymbiformis f. rara Vekshina
  409. Arkhangelskiella distincta Shumenko
  410. Arkhangelskiella distincta Shumenko
  411. Arkhangelskiella enormis Shumenko
  412. Arkhangelskiella enormis Shumenko
  413. Arkhangelskiella erratica Stover
  414. Arkhangelskiella fenestrata T.R. Worsley
  415. Arkhangelskiella imperfossa N. Hoffmann
  416. Arkhangelskiella inclinata Reinhardt
  417. Arkhangelskiella lata (Noël) P. Reinhardt
  418. Arkhangelskiella magnacava Gartner
  419. Arkhangelskiella nana Lyul'eva
  420. Arkhangelskiella ornamenta (Caratini) Perch-Nielsen
  421. Arkhangelskiella ornamenta ('ornamentus') (Caratini) Manivit
  422. Arkhangelskiella primitiva T.R. Worsley
  423. Arkhangelskiella scapha Gartner
  424. Arkhangelskiella specillata Vekshina cent. n.
  425. Arkhangelskiella specillata subsp. ethmopora Bukry
  426. Arkhangelskiella verrucosa Shumenko
  427. ARKONIA G. Burmann
  428. Arkonia tenuata G. Burmann
  429. Arkonia virgata G. Burmann
  430. Armophyllum gonospermum Schousboe
  431. Armophyllum implexum Schousboe
  432. ARNOLDIAMONAS Skvortsov
  433. ARNOLDIAMONAS Skvortsov
  434. Arnoldiamonas bispinosa Skvortsov
  435. Arnoldiamonas bispinosa Skvortsov
  436. Arnoldiamonas compressa (Skvortsov) Skvortsov invalid
  437. Arnoldiamonas ocellata Skvortsov invalid
  438. Arnoldiamonas phaseolus Skvortsov invalid
  439. ARNOLDIELLA Miller
  440. ARNOLDIELLA Skvortsov
  441. Arnoldiella conchophila Miller
  442. Arnoldiella phaseolus Skvortsov
  443. AROCARPE Donati
  444. ARPYLORUS Calandra
  445. Arpylorus antiquus Calandra
  446. ARTARIA Perfiliev
  447. ARTASTER Ehrenberg
  448. Artaster portoricensis Ehrenberg
  449. ARTEMISIOCYSTA Benedek
  450. Artemisiocysta cladodichotoma Benedek
  451. Arthraria antiquata Billings
  452. Arthraria biclavata S. A. Miller
  453. ARTHROCARDIA Decaisne
  454. ARTHROCARDIA (Decaisne) Decaisne \{also on card: sectio of Amphiroa\}
  455. ARTHROCARDIA (Decaisne) Areschoug
  456. ARTHROCARDIA Harvey \{also on card: sub-genus of Amphiroa\}
  457. ARTHROCARDIA (Decaisne) Yendo \{also on card: subgen. of Cheilosporum\}
  458. Arthrocardia acutiloba (Decaisne) Trevisan
  459. Arthrocardia aberrans (Yendo) Weber-van Bosse
  460. Arthrocardia aloisii Sabaudiae Airoldi
  461. Arthrocardia anceps (Yendo) Johansen
  462. Arthrocardia attenuata Manza
  463. Arthrocardia breviarticulata (Areschoug) Weber Bosse
  464. Arthrocardia capensis Areschoug
  465. Arthrocardia carinata (Kützing) [Pocock] invalid
  466. Arthrocardia carinata (Kützing) Johansen
  467. Arthrocardia corymbosa (Lamarck) Decaisne
  468. Arthrocardia cretacea (Postels & Ruprecht) Weber Bosse
  469. Arthrocardia cretacica Raineri
  470. Arthrocardia darwinii ('Darwini') (Harvey) Weber Bosse
  471. Arthrocardia declinata (Yendo) Weber Bosse
  472. Arthrocardia duthieae ('duthiae') Johansen
  473. Arthrocardia epiphlegnoides (C. Agardh)Weber Bosse
  474. Arthrocardia fastigiata (Decaisne) Trevisan
  475. Arthrocardia filicula (Lamarck) Johansen
  476. Arthrocardia flabellata (Kützing) Manza
  477. Arthrocardia frondescens (Postels & Ruprecht) Areschoug
  478. Arthrocardia gardneri Manza
  479. Arthrocardia konitaensis Ishijima
  480. Arthrocardia lamourouxiana (Decaisne) Trevisan
  481. Arthrocardia linearis Manza
  482. Arthrocardia lobata Montagne
  483. Arthrocardia mallardiae (Harvey) Areschoug
  484. Arthrocardia manginii ('Mangini') Me. Lemoine
  485. Arthrocardia palmata (Ellis & Solander) Areschoug
  486. Arthrocardia papenfussii Manza
  487. Arthrocardia prolifera (Lamouroux) Decaisne
  488. Arthrocardia sagittata (Lamouroux) Decaisne
  489. Arthrocardia setchelliae Manza
  490. Arthrocardia setchellii Manza
  491. Arthrocardia silvae Johansen
  492. Arthrocardia stephensonii Manza
  493. Arthrocardia tuberculosa (Postels & Ruprecht) Weber Bosse
  494. Arthrocardia variabilis (Harvey) Weber Bosse
  495. Arthrocardia vertebralis (Decaisne) Weber Bosse
  496. Arthrocardia wardii (Harvey)
  497. Arthrocarpon caespitosum Schousboe
  498. Arthrocarpon penicillatum Schousboe
  499. ARTHROCHAETE Rosenvinge
  500. Arthrochaete penetrans Rosenvinge
  501. Arthrochaete phaeophila Rosenvinge
  502. ARTHROCHRYSIS Pascher
  503. Arthrochrysis gracilis Pascher
  504. Arthrochrysis gracilis H. Ettl
  505. Arthrochrysis leptopus Pascher
  506. Arthrochrysis pallida Pascher
  507. ARTHROCLADIA Duby
  508. Arthrocladia australis Kützing
  509. Arthrocladia septentrionalis Kützing
  510. Arthrocladia villosa (Hudson) Duby
  511. Arthrocladia villosa var. australis (Kützing) Rabenhorst
  512. Arthrocladia villosa f. australis (Kützing) Hauck
  513. Arthrocladia villosa var. septentrionalis (Kützing) Rabenhorst
  514. Arthrocladia villosa f. tenuissima Voronikhin
  515. Arthrocladia villosa f. tenuissima Voronikhin
  516. ARTHROCYSTIS W. West & G. S. West
  517. ARTHRODENDRON Ulrich
  518. Arthrodendron diffusum Ulrich