Silva Center for Phycological Documentation: Index Nominum Algarum


The INA is a card file and online reporting system maintained at the Silva Center for Phycological Documentation of the University Herbarium, University of California, Berkeley. It contains nearly 200,000 names of algae (in the broad sense). The BPU is a card file containing bibliographic references pertaining to algal taxonomy.
A working list of algal type specimens at UC is available here

Results from INA database

NameAuthorSourceCitationYear
PARAPLACONEISM.S. Kulikovskiy, H. Lange-Bertalot, & D. Metzeltin in Kulikovskiy et al. Iconogr. Diatomol. 23: 216 2012
Paraplaconeis amplaG.V. Pomazkina & E.V. Rodionova in Pomazkina, Rodionova, & Sherbakova Limnol. Freshw. Biol. 2019: 189, pl. 114 in Pomazkina et al., Benthic diatom algae of the family Naviculaceae of Lake Baikal (2018) 2019
Paraplaconeis anfractaG.V. Pomazkina in Pomazkina, Rodionova, & Sherbakova Limnol. Freshw. Biol. 2019: 189, pl. 115 in Pomazkina et al., Benthic diatom algae of the family Naviculaceae of Lake Baikal (2018) 2019
Paraplaconeis arcuataG.V. Pomazkina & E.V. Rodionova in Pomazkina, Rodionova, & Sherbakova Limnol. Freshw. Biol. 2019: 189, pl. 116 in Pomazkina et al., Benthic diatom algae of the family Naviculaceae of Lake Baikal (2018) 2019
Paraplaconeis australisG.V. Pomazkina & E.V. Rodionova in Pomazkina, Rodionova, & Sherbakova Limnol. Freshw. Biol. 2019: 190, pl. 117 in Pomazkina et al., Benthic diatom algae of the family Naviculaceae of Lake Baikal (2018) 2019
Paraplaconeis baicalensisG.V. Pomazkina & T.A. Sherbakova in Pomazkina, Rodionova, & Sherbakova Limnol. Freshw. Biol. 2019: 190, pl. 118 in Pomazkina et al., Benthic diatom algae of the family Naviculaceae of Lake Baikal (2018) 2019
Paraplaconeis baikalensis(Skvortzov) M.S. Kulikovskiy, D. Metzeltin & H. Lange-Bertalot in Metzeltin et al. Iconogr. Diatomol. 23: 218 2012
Paraplaconeis compositestria(Jasnitsky) M.S. Kulikovskiy, D. Metzeltin & H. Lange-Bertalot in Metzeltin et al. Iconogr. Diatomol. 23: 218 2012
Paraplaconeis cracoviensisH. Lange-Bertalot & A.Z. Wojtal Beih. Nova Hedwigia 143: 410, figs. 49-60, 65-67, 80, 81 2014
Paraplaconeis decorataG.V. Pomazkina in Pomazkina, Rodionova, & Sherbakova Limnol. Freshw. Biol. 2019: 190, pl. 120 in Pomazkina et al., Benthic diatom algae of the family Naviculaceae of Lake Baikal (2018) 2019
Paraplaconeis dimidiaG.V. Pomazkina & T.A. Sherbakova in Pomazkina, Rodionova, & Sherbakova Limnol. Freshw. Biol. 2019: 190, pl. 121 in Pomazkina et al., Benthic diatom algae of the family Naviculaceae of Lake Baikal (2018) 2019
Paraplaconeis dissimilisG.V. Pomazkina & E.V. Rodionova in Pomazkina, Rodionova, & Sherbakova Limnol. Freshw. Biol. 2019: 190, pl. 122 in Pomazkina et al., Benthic diatom algae of the family Naviculaceae of Lake Baikal (2018) 2019
Paraplaconeis elongataG.V. Pomazkina & T.A. Sherbakova in Pomazkina, Rodionova, & Sherbakova Limnol. Freshw. Biol. 2019: 190, pl. 123 in Pomazkina et al., Benthic diatom algae of the family Naviculaceae of Lake Baikal (2018) 2019
Paraplaconeis foliarisG.V. Pomazkina & T.A. Sherbakova in Pomazkina, Rodionova, & Sherbakova Limnol. Freshw. Biol. 2019: 190, pl. 124 in Pomazkina et al., Benthic diatom algae of the family Naviculaceae of Lake Baikal (2018) 2019
Paraplaconeis graciosaM.S. Kulikovskiy, H. Lange-Bertalot & D. Metzeltin in Metzeltin et al. Iconogr. Diatomol. 23: 218, pl. 133: figs. 1-4 2012
Paraplaconeis interruptaG.V. Pomazkina & T.A. Sherbakova in Pomazkina, Rodionova, & Sherbakova Limnol. Freshw. Biol. 2019: 191, pl. 125 in Pomazkina et al., Benthic diatom algae of the family Naviculaceae of Lake Baikal (2018) 2019
Paraplaconeis kornevaeM.S. Kulikovskiy, E.S. Gusev, & H. Lange-Bertalot in Metzeltin et al. Iconogr. Diatomol. 23: 219, pl. 135: figs. 8-13; pl. 137: figs. 1-3; pl. 138: figs. 1-5 2012
Paraplaconeis lacustrisG.V. Pomazkina & T.A. Sherbakova in Pomazkina, Rodionova, & Sherbakova Limnol. Freshw. Biol. 2019: 191, pl. 126 in Pomazkina et al., Benthic diatom algae of the family Naviculaceae of Lake Baikal (2018) 2019
Paraplaconeis litoralisG.V. Pomazkina in Pomazkina, Rodionova, & Sherbakova Limnol. Freshw. Biol. 2019: 191, pl. 123 in Pomazkina et al., Benthic diatom algae of the family Naviculaceae of Lake Baikal (2018) 2019
Paraplaconeis macedonica(Z. Levkov & D. Metzeltin) M.S. Kulikovskiy, D. Metzeltin & H. Lange-Bertalot in Metzeltin et al. Iconogr. Diatomol. 23: 222 2012
Paraplaconeis maculata(Hustedt) M.S. Kulikovskiy & H. Lange-Bertalot in Metzeltin et al. Iconogr. Diatomol. 23: 222 2012
Paraplaconeis maculataG.V. Pomazkina & T.A. Sherbakova in Pomazkina, Rodionova, & Sherbakova Limnol. Freshw. Biol. 2019: 191, pl. 128 in Pomazkina et al., Benthic diatom algae of the family Naviculaceae of Lake Baikal (2018) 2019
Paraplaconeis magnaG.V. Pomazkina & T.A. Sherbakova in Pomazkina, Rodionova, & Sherbakova Limnol. Freshw. Biol. 2019: 191, pl. 129 in Pomazkina et al., Benthic diatom algae of the family Naviculaceae of Lake Baikal (2018) 2019
Paraplaconeis ohridana(Z. Levkov & D. Metzeltin) M.S. Kulikovskiy, D. Metzeltin & H. Lange-Bertalot in Metzeltin et al. Iconogr. Diatomol. 23: 222 2012
Paraplaconeis placentula(Ehrenberg) M.S. Kulikovskiy & H. Lange-Bertalot in Metzeltin et al. Iconogr. Diatomol. 23: 222 2012
Paraplaconeis pomazkinaeD. Metzeltin, M.S. Kulikovskiy & H. Lange-Bertalot in Metzeltin et al. Iconogr. Diatomol. 23: 220, pl. 134: figs. 5 2012
Paraplaconeis prespanensis(Z. Levkov, S. Krstic & T. Nakov) M.S. Kulikovskiy & H. Lange-Bertalot in Metzeltin et al. Iconogr. Diatomol. 23: 223 2012
Paraplaconeis propriaG.V. Pomazkina in Pomazkina, Rodionova, & Sherbakova Limnol. Freshw. Biol. 2019: 191, pl. 130 in Pomazkina et al., Benthic diatom algae of the family Naviculaceae of Lake Baikal (2018) 2019
Paraplaconeis pseudoplacentula(N. Foged & M. Møller) V.S. Vishnyakov in Vishnyakov et al. Bot. Zhurn. 101: 1305 2016
Paraplaconeis rectaG.V. Pomazkina & E.V. Rodionova in Pomazkina, Rodionova, & Sherbakova Limnol. Freshw. Biol. 2019: 191, pl. 131 in Pomazkina et al., Benthic diatom algae of the family Naviculaceae of Lake Baikal (2018) 2019
Paraplaconeis signumG.V. Pomazkina & E.V. Rodionova in Pomazkina, Rodionova, & Sherbakova Limnol. Freshw. Biol. 2019: 192, pl. 132 in Pomazkina et al., Benthic diatom algae of the family Naviculaceae of Lake Baikal (2018) 2019
Paraplaconeis steninaeD. Metzeltin, M.S. Kulikovskiy & H. Lange-Bertalot in Metzeltin et al. Iconogr. Diatomol. 23: 221, pl. 135: figs. 5-7 2012
Paraplaconeis subplacentula(Hustedt) M.S. Kulikovskiy & H. Lange-Bertalot in Metzeltin et al. Iconogr. Diatomol. 23: 223 2012
Paraplaconeis undulataG.V. Pomazkina & T.A. Sherbakova in Pomazkina, Rodionova, & Sherbakova Limnol. Freshw. Biol. 2019: 192, pl. 133 in Pomazkina et al., Benthic diatom algae of the family Naviculaceae of Lake Baikal (2018) 2019
Paraplaconeis vernalisG.V. Pomazkina & T.A. Sherbakova in Pomazkina, Rodionova, & Sherbakova Limnol. Freshw. Biol. 2019: 192, pl. 134 in Pomazkina et al., Benthic diatom algae of the family Naviculaceae of Lake Baikal (2018) 2019
PLACONEISMereschkowsky Bot. Zap. [Scr. Bot. Horti Univ. Imp. Petrop.] 21: 45, 142 1903
PLACONEISMereschkowsky Beih. Bot. Centralbl. 15: 3 1903
Placoneis abiskoensis(Hustedt) H. Lange-Bertalot & D. Metzeltin apud D. Metzeltin & A. Witkowski in H. Lange-Bertalot (ed.) Iconographia diatomologica 4: expl. pl. 6: figs. 1-6 1996
Placoneis abundansD. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez Iconogr. Diatomol. 15: 166, pl. 73: figs. 1-14; pl. 77: figs. 1-3A 2005
Placoneis abundans var. australisG.V. Pomazkina & E.V. Rodionova in Pomazkina, Rodionova, & Sherbakova Limnol. Freshw. Biol. 2019: 192, pl. 137 in Pomazkina et al., Benthic diatom algae of the family Naviculaceae of Lake Baikal (2018) 2019
Placoneis abundans var. baicalensisG.V. Pomazkina & E.V. Rodionova in Pomazkina, Rodionova, & Sherbakova Limnol. Freshw. Biol. 2019: 192, pl. 138 in Pomazkina et al., Benthic diatom algae of the family Naviculaceae of Lake Baikal (2018) 2019
Placoneis abyssalisG.V. Pomazkina & T.A. Sherbakova in Pomazkina, Rodionova, & Sherbakova Limnol. Freshw. Biol. 2019: 192, pl. 139 in Pomazkina et al., Benthic diatom algae of the family Naviculaceae of Lake Baikal (2018) 2019
Placoneis acutaG.V. Pomazkina & E.V. Rodionova in Pomazkina, Rodionova, & Sherbakova Limnol. Freshw. Biol. 2019: 193, pl. 140 in Pomazkina et al., Benthic diatom algae of the family Naviculaceae of Lake Baikal (2018) 2019
Placoneis amoenaD. Metzeltin, M.S. Kulikovskiy & H. Lange-Bertalot in Metzeltin et al. Iconogr. Diatomol. 23: 224, pl. 124: fig. 1 2012
Placoneis amphibola(Cleve) E.J. Cox Bot. J. Linn. Soc. [London] 141: 72 2003
Placoneis amphiboliformis(D. Metzeltin, H. Lange-Bertalot & N. Soninkhishig) V.S. Vishnyakov in Vishnyakov et al. Bot. Zhurn. 101: 1302 2016
Placoneis anglica(Ralfs) E.J. Cox Bot. J. Linn. Soc. [London] 141: 64 2003
Placoneis anglophila(H. Lange-Bertalot) H. Lange-Bertalot in D. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez Iconogr. Diatomol. 15: 168 2005
Placoneis anglophila var. signata(Hustedt) H. Lange-Bertalot in D. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez Iconogr. Diatomol. 15: 169 2005
Placoneis antediluviana_('antediluvianum')(Hustedt) H. Lange-Bertalot in D. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez Iconogr. Diatomol. 15: 169 2005
Placoneis apicalicostataD. Metzeltin & H. Lange-Bertalot Iconogr. Diatomol. 11: 53, pl. 30 2003 ('2002')
Placoneis argentataG.V. Pomazkina & T.A. Sherbakova in Pomazkina, Rodionova, & Sherbakova Limnol. Freshw. Biol. 2019: 193, pl. 141 in Pomazkina et al., Benthic diatom algae of the family Naviculaceae of Lake Baikal (2018) 2019
Placoneis attenuataG.V. Pomazkina & E.V. Rodionova in Pomazkina, Rodionova, & Sherbakova Limnol. Freshw. Biol. 2019: 193, pl. 142 in Pomazkina et al., Benthic diatom algae of the family Naviculaceae of Lake Baikal (2018) 2019
Placoneis australisB. Van de Vijver & R. Zidarova in R. Zidarova, B. Van de Vijver, G. Mataloni, K. Kopalová, & L. Nedbalová Cryptogamie: Algol. 30: 301, figs. 44-58, 62-64 2009
Placoneis balcanica(Hustedt) H. Lange-Bertalot, D. Metzeltin & Z. Levkov in D. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez Iconogr. Diatomol. 15: 170 2005
Placoneis betulinaG.V. Pomazkina & E.V. Rodionova in Pomazkina, Rodionova, & Sherbakova Limnol. Freshw. Biol. 2019: 193, pl. 143 in Pomazkina et al., Benthic diatom algae of the family Naviculaceae of Lake Baikal (2018) 2019
Placoneis bicapitataHeinzerling image
Placoneis bicuneusD. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez Iconogr. Diatomol. 15: 170, pl. 71: figs. 1-7; pl. 76: fig. 1 2005
Placoneis bonaG.V. Pomazkina & T.A. Sherbakova in Pomazkina, Rodionova, & Sherbakova Limnol. Freshw. Biol. 2019: 193, pl. 144 in Pomazkina et al., Benthic diatom algae of the family Naviculaceae of Lake Baikal (2018) 2019
Placoneis boris-skvortzowiiD. Metzeltin, M.S. Kulikovskiy & H. Lange-Bertalot in Metzeltin et al. Iconogr. Diatomol. 23: 225, pl. 132: figs. 17, 18 2012
Placoneis bukhchuluunaeD. Metzeltin, H. Lange-Bertalot & N. Soninkhishig Iconogr. Diatomol. 20: 81, pl. 55: figs. 7-13 2009
Placoneis cattiensisA. Glushchenko, E. Kezlya, A. Kulikovskiy & J.P. Kociolek in Kezlya et al. Phytotaxa 460: 241, figs. 3-28 2020
Placoneis centropunctata (Hustedt) D. Metzeltin & H. Lange-Bertalot in H. Lange-Bertalot (ed.) Iconographia Diatomologica 5: 195 1998
Placoneis chilensisH. Lange-Bertalot & Rumrich in U. Rumrich, H. Lange-Bertalot, & M. Rumrich Iconogr. Diatomol. 9: 206, pl. 59: figs. 8, 9 2000
Placoneis clementioides(Hustedt) E.J. Cox image
Placoneis clementis(Grunow) E.J. Cox image
Placoneis clementis var. nipponica(Skvortzov) T. Ohtsuka in T. Ohtsuka & A. Tuji Phycol. Res. 50: 249 2002
Placoneis clementisproninaH. Lange-Bertalot & A.Z. Wojtal Beih. Nova Hedwigia 143: 405, 5-13, 77-79 2014
Placoneis cocquytiaeC.A.K. Fofana, E.H. Sow, J. Taylor, L. Ector & B. Van de Vijver Phytotaxa 161: 140, figs. 1-10 2014
Placoneis coloradensisJ.P. Kociolek & E.W. Thomas Nova Hedwigia 90: 205, figs. 48-51, 57-62 2010
Placoneis compositaG.V. Pomazkina & T.A. Sherbakova in Pomazkina, Rodionova, & Sherbakova Limnol. Freshw. Biol. 2019: 193, pl. 145 in Pomazkina et al., Benthic diatom algae of the family Naviculaceae of Lake Baikal (2018) 2019
Placoneis constans(Hustedt) E.J. Cox Bot. J. Linn. Soc. [London] 141: 73 2003
Placoneis constans var. symmetrica(Hustedt) H. Kobayasi in S. Mayama, M. Idei, K. Osada, & T. Nagumo Diatom 18: 89 2002
Placoneis conveniens (Hustedt) D. Metzeltin & H. Lange-Bertalot in H. Lange-Bertalot (ed.) Iconographia Diatomologica 5: 195 1998
Placoneis coxiae_('coxia')J.P. Kociolek & E.W. Thomas Nova Hedwigia 90: 200, figs 23-29, 36-38 2010
Placoneis cruciataG.V. Pomazkina & E.V. Rodionova in Pomazkina, Rodionova, & Sherbakova Limnol. Freshw. Biol. 2019: 193, pl. 146 in Pomazkina et al., Benthic diatom algae of the family Naviculaceae of Lake Baikal (2018) 2019
Placoneis cuneata(Max Møller ex Foged) M. Potapova Beih. Nova Hedwigia 143: 99 2014
Placoneis dacostaeD. Metzeltin & H. Lange-Bertalot in H. Lange-Bertalot (ed.) Iconographia Diatomologica 5: 196, pl. 77: fig. 1; pl. 90: figs. 4-8 1998
Placoneis dahurica(Skvortzow) G.V. Pomazkina & E.V. Rodionova in Pomazkina, Rodionova, & Sherbakova Limnol. Freshw. Biol. 2019: 193 2019
Placoneis demeraroides (Hustedt) D. Metzeltin & H. Lange-Bertalot in H. Lange-Bertalot (ed.) Iconographia Diatomologica 5: 196 1998
Placoneis densa(Hustedt) H. Lange-Bertalot in D. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez Iconogr. Diatomol. 15: 173 2005
Placoneis diaphanaG.V. Pomazkina & E.V. Rodionova in Pomazkina, Rodionova, & Sherbakova Limnol. Freshw. Biol. 2019: 194, pl. 148 in Pomazkina et al., Benthic diatom algae of the family Naviculaceae of Lake Baikal (2018) 2019
Placoneis dicephala(Ehrenberg) Mereschkowsky image
Placoneis dicephala f. parvaMereschkowsky image
Placoneis dicephala var. elginensis(Gregory) Mereschkowsky image
Placoneis dicephala var. subcapitata(Grunow) Mereschkowsky image
Placoneis disparalis (Hustedt) D. Metzeltin & H. Lange-Bertalot in H. Lange-Bertalot (ed.) Iconographia Diatomologica 5: 197 1998
Placoneis distinctaG.V. Pomazkina & T.A. Sherbakova in Pomazkina, Rodionova, & Sherbakova Limnol. Freshw. Biol. 2019: 194, pl. 149 in Pomazkina et al., Benthic diatom algae of the family Naviculaceae of Lake Baikal (2018) 2019
Placoneis edlundiiV.S. Vishnyakov in Vishnyakov et al. Bot. Zhurn. 101: 1302, pl. I: figs. 13-25, pl. II: fig. 7 2016
Placoneis elegansD. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez Iconogr. Diatomol. 15: 174, pl. 75: figs. 1-9; pl. 75: fig. 10 2005
Placoneis elegantulaD. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez Iconogr. Diatomol. 15: 175, pl. 74: figs. 1-10 2005
Placoneis elenaeG.V. Pomazkina & T.A. Sherbakova in Pomazkina, Rodionova, & Sherbakova Limnol. Freshw. Biol. 2019: 194, pl. 150 in Pomazkina et al., Benthic diatom algae of the family Naviculaceae of Lake Baikal (2018) 2019
Placoneis elenae var. undataG.V. Pomazkina & T.A. Sherbakova in Pomazkina, Rodionova, & Sherbakova Limnol. Freshw. Biol. 2019: 194, pl. 151 in Pomazkina et al., Benthic diatom algae of the family Naviculaceae of Lake Baikal (2018) 2019
Placoneis elginensis(Gregory) E.J. Cox image
Placoneis elginensis var. exigua(Gregory) P.M. Tsarenko in P.M. Tsarenko et al. (eds.) Algae of Ukraine 2: 131 2009
Placoneis elginensis var. neglectaH. Kobayasi in S. Mayama, M. Idei, K. Osada, & T. Nagumo Diatom 18: 90 2002
Placoneis elginensis var. undulata(Østrup) H. Lange-Bertalot apud H. Lange-Bertalot et al. in H. Lange-Bertalot (ed.) Icon. Diat. 3: 133 1996
Placoneis elliptica(Hustedt) T. Ohtsuka Diatom 18: 44 2002
Placoneis ellipticorostrataD. Metzeltin, H. Lange-Bertalot & N. Soninkhishig Iconogr. Diatomol. 20: 82, pl. 53: figs. 1-5 2009
Placoneis eugeniaeT.A. Sherbakova in Pomazkina, Rodionova, & Sherbakova Limnol. Freshw. Biol. 2019: 194, pl. 152 in Pomazkina et al., Benthic diatom algae of the family Naviculaceae of Lake Baikal (2018) 2019
Placoneis exigua(Gregory) Mereschkowsky image
Placoneis exiguiformis(Hustedt) H. Lange-Bertalot in D. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez Iconogr. Diatomol. 15: 178 2005
Placoneis exiguoides(Hustedt) H. Lange-Bertalot in D. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez Iconogr. Diatomol. 15: 179 2005
Placoneis explanata(Hustedt) S. Mayama in S. Mayama & A. Kawashima Diatom 14: 69 1998
Placoneis extraordinarisG.V. Pomazkina & E.V. Rodionova in Pomazkina, Rodionova, & Sherbakova Limnol. Freshw. Biol. 2019: 194, pl. 153 in Pomazkina et al., Benthic diatom algae of the family Naviculaceae of Lake Baikal (2018) 2019
Placoneis flabellata(F. Meister) Kimura, H. Fukushima & Ts. Ko-Bayshi Bunrui 15: 134 2015
Placoneis fourtanieriJ.P. Kociolek & E.W. Thomas Nova Hedwigia 90: 204, figs. 42-47, 52-56 2010
Placoneis gastriformis(Hustedt) H. Lange-Bertalot in D. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez Iconogr. Diatomol. 15: 178 2005
Placoneis gastrum(Ehrenberg) Mereschkowsky Beih. Bot. Centralbl. 15: 13 1903
Placoneis gastrum f. nipponica(Skvortzov) T. Ohtsuka & Y. Fujita Nova Hedwigia 73: 107 2001
Placoneis gastrum var. boryana(Pantocsek) Mereschkowsky image
Placoneis gastrum var. exigua(Gregory) Mereschkowsky image
Placoneis gastrum var. jenisseyensis(Grunow) Mereschkowsky image
Placoneis gastrum var. latiuscula(Grunow) Mereschkowsky Beih. Bot. Centralbl. 15: 14 1903
Placoneis geitleri(Hustedt) V.S. Vishnyakov in Vishnyakov et al. Bot. Zhurn. 101: 1304 2016
Placoneis gelegmaM.S. Kulikovskiy, H. Lange-Bertalot & D. Metzeltin in Metzeltin et al. Iconogr. Diatomol. 23: 226, pl. 132: figs. 19-21 2012
Placoneis gelegma var. baicalensisG.V. Pomazkina & E.V. Rodionova in Pomazkina, Rodionova, & Sherbakova Limnol. Freshw. Biol. 2019: 194, pl. 155 in Pomazkina et al., Benthic diatom algae of the family Naviculaceae of Lake Baikal (2018) 2019
Placoneis gracilisD. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez Iconogr. Diatomol. 15: 180, pl. 73: figs. 15-17; pl. 76: fig. 3 2005
Placoneis gracilis f. minor(É. Manguin) D. Metzeltin & H. Lange-Bertalot Iconogr. Diatomol. 18: 233 2007
Placoneis granumG.V. Pomazkina & T.A. Sherbakova in Pomazkina, Rodionova, & Sherbakova Limnol. Freshw. Biol. 2019: 194, pl. 156 in Pomazkina et al., Benthic diatom algae of the family Naviculaceae of Lake Baikal (2018) 2019
Placoneis grataG.V. Pomazkina in Pomazkina, Rodionova, & Sherbakova Limnol. Freshw. Biol. 2019: 195, pl. 157 in Pomazkina et al., Benthic diatom algae of the family Naviculaceae of Lake Baikal (2018) 2019
Placoneis habita(Hustedt) H. Lange-Bertalot in D. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez Iconogr. Diatomol. 15: 181 2005
Placoneis hambergii(Hustedt) K. Bruder in K. Bruder & L.K. Medlin Nova Hedwigia 85: 349 2007
Placoneis heufleriana(Grunow) Mereschkowsky Beih. Bot. Centralbl. 15: 24 1903
Placoneis humilisD. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez Iconogr. Diatomol. 15: 182, pl. 74: figs. 11-19; pl. 76: fig. 4 2005
Placoneis ignitaG.V. Pomazkina & T.A. Sherbakova in Pomazkina, Rodionova, & Sherbakova Limnol. Freshw. Biol. 2019: 195, pl. 158 in Pomazkina et al., Benthic diatom algae of the family Naviculaceae of Lake Baikal (2018) 2019
Placoneis ignorata(H. Schimanski) H. Lange-Bertalot in U. Rumrich, H. Lange-Bertalot, & M. Rumrich Iconogr. Diatomol. 9: 207 2000
Placoneis incertaV.S. Vishnyakov in Vishnyakov et al. Bot. Zhurn. 101: 1304 2016
Placoneis inexplorata(Krasske) H. Lange-Bertalot in D. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez Iconogr. Diatomol. 15: 183 2005
Placoneis insignita(Hustedt) E.J. Cox Bot. J. Linn. Soc. [London] 141: 74 2003
Placoneis insularisT.A. Sherbakova & G.V. Pomazkina in Pomazkina, Rodionova, & Sherbakova Limnol. Freshw. Biol. 2019: 195, pl. 159 in Pomazkina et al., Benthic diatom algae of the family Naviculaceae of Lake Baikal (2018) 2019
Placoneis integra(W. Sm.) Mereschkowsky image
Placoneis integra(W. Smith) Mereschkowsky Beih. Bot. Centralbl. 15: 17 1903
Placoneis interglacialis(Hustedt) E.J. Cox Bot. J. Linn. Soc. [London] 141: 74 2003
Placoneis itamoemaeA. Straube, P.I. Tremarin & T.A.V. Ludwig in Straube et al. Phytotaxa 76: 56, figs. 1-24 2013
Placoneis ivaniiG.V. Pomazkina & E.V. Rodionova in Pomazkina, Rodionova, & Sherbakova Limnol. Freshw. Biol. 2019: 195, pl. 160 in Pomazkina et al., Benthic diatom algae of the family Naviculaceae of Lake Baikal (2018) 2019
Placoneis izhboldinaeV.S. Vishnyakov in Vishnyakov et al. Bot. Zhurn. 101: 1301, pl. I: figs. 1-8, pl. II: figs. 1-6 2016
Placoneis jatobensis(Krasske) D. Metzeltin & H. Lange-Bertalot in H. Lange-Bertalot (ed.) Iconographia Diatomologica 5: 197 1998
Placoneis jatobensis var. capitata (Krasske) D. Metzeltin & H. Lange-Bertalot in H. Lange-Bertalot (ed.) Iconographia Diatomologica 5: 197 1998
Placoneis juriljiiA. Miho & H. Lange-Bertalot Proc. Int. Diatom Symp. 18: 306, figs. 27-35 2006
Placoneis lata(M. Peragallo) R. Lowe in J.R. Johansen et al. Arch. Hydrobiol. Suppl. 150 (Algol. Stud. 111): 24 2004
Placoneis laticuneataM.S. Kulikovskiy, H. Lange-Bertalot & D. Metzeltin in Metzeltin et al. Iconogr. Diatomol. 23: 227, pl. 125: figs. 1-3 2012
Placoneis likhoshwayaeD. Metzeltin, M.S. Kulikovskiy & H. Lange-Bertalot in Metzeltin et al. Iconogr. Diatomol. 23: 227, pl. 132: figs. 1 2012
Placoneis linearisG.V. Pomazkina & T.A. Sherbakova in Pomazkina, Rodionova, & Sherbakova Limnol. Freshw. Biol. 2019: 195, pl. 161 in Pomazkina et al., Benthic diatom algae of the family Naviculaceae of Lake Baikal (2018) 2019
Placoneis lucinensisH. Lange-Bertalot in Hofmann, Werum, & Lange-Bertalot Diatomeen im Süsswasser-Benthos von Mitteleuropa: 501, pl. 47: 15-19 2011
Placoneis ludmilaeG.V. Pomazkina & T.A. Sherbakova in Pomazkina, Rodionova, & Sherbakova Limnol. Freshw. Biol. 2019: 195, pl. 162 in Pomazkina et al., Benthic diatom algae of the family Naviculaceae of Lake Baikal (2018) 2019
Placoneis lundstroemii(Cleve) Mereschkowsky image
Placoneis lundstroemii var. frieseana(Grunow) Mereschkowsky image
Placoneis macedonicaZ. Levkov & D. Metzeltin in Levkov, Krstic, Metzeltin & Nakov Icon. Diatomol. 16: 110, pl. 98, pl. 99: figs. 20-23 2007
Placoneis maculata(Hustedt) Z. Levkov in Levkov, Krstic, Metzeltin & Nakov Icon. Diatomol. 16: 111 2007
Placoneis madagascariensisH. Lange-Bertalot & D. Metzeltin in D. Metzeltin & H. Lange-Bertalot Iconogr. Diatomol. 11: 54, pl. 27: figs. 37-40; pl. 28: fig. 4 2003 ('2002')
Placoneis magnaG.V. Pomazkina & T.A. Sherbakova in Pomazkina, Rodionova, & Sherbakova Limnol. Freshw. Biol. 2019: 195, pl. 163 in Pomazkina et al., Benthic diatom algae of the family Naviculaceae of Lake Baikal (2018) 2019
Placoneis maiorM.S. Kulikovskiy, H. Lange-Bertalot & D. Metzeltin in Metzeltin et al. Iconogr. Diatomol. 23: 228, pl. 124: figs. 4-7 2012
Placoneis margaritae_('margarita')M.S. Kulikovskiy & H. Lange-Bertalot in Metzeltin et al. Iconogr. Diatomol. 23: 229, pl. 128: figs. 1-14; pl. 129: figs. 1, 2; pl. 130: figs. 1, 2 2012
Placoneis merinensisD. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez Iconogr. Diatomol. 15: 183, pl. 72: figs. 7-10; pl. 72: fig. 11 2005
Placoneis minor(Grunow) H. Lange-Bertalot in D. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez Iconogr. Diatomol. 15: 183 2005
Placoneis miraG.V. Pomazkina & E.V. Rodionova in Pomazkina, Rodionova, & Sherbakova Limnol. Freshw. Biol. 2019: 196, pl. 165 in Pomazkina et al., Benthic diatom algae of the family Naviculaceae of Lake Baikal (2018) 2019
Placoneis miserandaM.S. Kulikovskiy, H. Lange-Bertalot & D. Metzeltin in Metzeltin et al. Iconogr. Diatomol. 23: 230, pl. 125: figs. 10, 11; pl. 132: figs. 13-15 2012
Placoneis molestaD. Metzeltin & H. Lange-Bertalot in H. Lange-Bertalot (ed.) Iconographia Diatomologica 5: 197, pl. 89: figs. 6-9 1998
Placoneis molestissimaD. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez Iconogr. Diatomol. 15: 186, pl. 70: figs. 14-21; pl. 77: figs. 4, 4A 2005
Placoneis mollisG.V. Pomazkina & E.V. Rodionova in Pomazkina, Rodionova, & Sherbakova Limnol. Freshw. Biol. 2019: 196, pl. 167 in Pomazkina et al., Benthic diatom algae of the family Naviculaceae of Lake Baikal (2018) 2019
Placoneis mologaensisV.S. Vishnyakov Phytotaxa 464: 219, figs. 1-26 2020
Placoneis mutica(Kützing) Mereschkowsky image
Placoneis mutica var. goeppertiana(Bleisch) Mereschkowsky image
Placoneis mutica var. legumen(Cleve) Mereschkowsky image
Placoneis mutica var. peguana(Grunow) Mereschkowsky image
Placoneis mutica var. producta(Grunow) Mereschkowsky image
Placoneis mutica var. undulata(Hilse) Mereschkowsky image
Placoneis mutica var. ventricosa(Kützing) Mereschkowsky image
Placoneis nanoclementisH. Lange-Bertalot & A.Z. Wojtal Beih. Nova Hedwigia 143: 407, figs. 14-28, 71-73 2014
Placoneis naviculaG.V. Pomazkina & T.A. Sherbakova in Pomazkina, Rodionova, & Sherbakova Limnol. Freshw. Biol. 2019: 196, pl. 168 in Pomazkina et al., Benthic diatom algae of the family Naviculaceae of Lake Baikal (2018) 2019
Placoneis navicularis(Ehrenberg) E.J. Cox Bot. J. Linn. Soc. [London] 141: 71 2003
Placoneis neglectaA. Tuji Bull. Natl. Sci. Mus [Tokyo], Ser. B (Bot.), 29: 71 2003
Placoneis neglectaR. Lowe in J.R. Johansen et al. Arch. Hydrobiol. Suppl. 150 (Algol. Stud. 111): 24 2004
Placoneis neoexiguaLange-Bertalot, & Miho in A. Miho & H. Lange-Bertalot Proc. Int. Diatom Symp. 18: 302, figs. 1-11, 20-26 2006
Placoneis neotropicaD. Metzeltin & H. Lange-Bertalot in H. Lange-Bertalot (ed.) Iconographia Diatomologica 5: 198, pl. 89: figs. 1-5 1998
Placoneis obtuseprotracta(Hustedt) Y. Li & D. Metzeltin in Gong et al. Phytotaxa 150: 38 2013
Placoneis ohridanaZ. Levkov & D. Metzeltin in Levkov, Krstic, Metzeltin & Nakov Icon. Diatomol. 16: 111, pl. 97 2007
Placoneis ovillusD. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez Iconogr. Diatomol. 15: 187, pl. 74: figs. 20-26 2005
Placoneis paraelginensisH. Lange-Bertalot in U. Rumrich, H. Lange-Bertalot, & M. Rumrich Iconogr. Diatomol. 9: 208, pl. 60: figs. 17-20 2000
Placoneis paragelegmaG.V. Pomazkina & E.V. Rodionova in Pomazkina, Rodionova, & Sherbakova Limnol. Freshw. Biol. 2019: 196, pl. 169 in Pomazkina et al., Benthic diatom algae of the family Naviculaceae of Lake Baikal (2018) 2019
Placoneis paraundulataT. Ohtsuka Diatom 18: 47 2002
Placoneis parazulaM.S. Kulikovskiy & H. Lange-Bertalot in Metzeltin et al. Iconogr. Diatomol. 23: 231, pl. 131: figs. 14-17 2012
Placoneis parunculus(Hustedt) H. Lange-Bertalot in D. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez Iconogr. Diatomol. 15: 189 2005
Placoneis parvapolonicaH. Lange-Bertalot & A.Z. Wojtal Beih. Nova Hedwigia 143: 408, figs. 29-44, 74-76 2014
Placoneis parvulaG.V. Pomazkina & E.V. Rodionova in Pomazkina, Rodionova, & Sherbakova Limnol. Freshw. Biol. 2019: 196, pl. 171 in Pomazkina et al., Benthic diatom algae of the family Naviculaceae of Lake Baikal (2018) 2019
Placoneis patagonicaN.I. Maidana in Maidana et al. Beih. Nova Hedwigia 146: 98, figs. 21-40 2018
Placoneis paucimarensisE.V. Rodionova & G.V. Pomazkina in Pomazkina, Rodionova, & Sherbakova Limnol. Freshw. Biol. 2019: 196, pl. 172 in Pomazkina et al., Benthic diatom algae of the family Naviculaceae of Lake Baikal (2018) 2019
Placoneis pellaifaH. Lange-Bertalot & Rumrich in U. Rumrich, H. Lange-Bertalot, & M. Rumrich Iconogr. Diatomol. 9: 210, pl. 60: figs. 9, 10 2000
Placoneis perelginensisD. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez Iconogr. Diatomol. 15: 189, pl. 70: figs. 6-13 2005
Placoneis placentula(Ehrenberg) Mereschkowsky image
Placoneis placentula var. lanceolata (Grunow) M. Aboal in A. Witkowski (ed.), Diat. Monogr. 4: 424 2003
Placoneis placentula var. lanceolata(Grunow) P.M. Tsarenko in P.M. Tsarenko et al. (eds.), Algae of Ukraine 2: 132 2009
Placoneis placentula var. latiuscula(Grunow) P.M. Tsarenko in P.M. Tsarenko et al. (eds.) Algae of Ukraine 2: 132 2009
Placoneis placentula var. rostrata(Mayer) N.A. Andresen, E.F. Stoermer, & R.G. Kreis, Jr. Diatom Research 15: 415 2000
Placoneis porifera(Hustedt) T. Ohtsuka & Y. Fujita Nova Hedwigia 73: 107 2001
Placoneis porifera var. opportuna(Hustedt) E. Novelo, R. Tavera, & C. Ibarra Bibliotheca Diatomol. 54: 53 2007
Placoneis prespanensisZ. Levkov, S. Krstic & T. Nakov in Levkov, Krstic, Metzeltin & Nakov Icon. Diatomol. 16: 113, pl. 99: figs. 1-17, pl. 100 2007
Placoneis protracta(Grunow) Mereschkowsky image
Placoneis protracta var. maxima(Cleve) Mereschkowsky image
Placoneis pseudabundansZ. Levkov in Levkov & Williams Phytotaxa 30: 14, figs. 92-95 2011
Placoneis pseudanglicaE.J. Cox image
Placoneis pseudanglicaE.J. Cox Diatom Res. 2: 155 1988
Placoneis pseudoclementis(Hustedt) H. Lange-Bertalot in D. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez Iconogr. Diatomol. 15: 192 2005
Placoneis pseudodemerarae (Hustedt) D. Metzeltin & H. Lange-Bertalot in H. Lange-Bertalot (ed.) Iconographia Diatomologica 5: 199 1998
Placoneis pseudolacustris(A.P. Skabichevskij) M.S. Kulikovskiy, H. Lange-Bertalot & G. Khursevich Nova Hedwigia 100: 219 2014
Placoneis pseudolacustris f. apiculata(A.P. Skabichevskij) M.S. Kulikovskiy, H. Lange-Bertalot & G. Khursevich Nova Hedwigia 100: 221 2014
Placoneis pseudoporifera(Hustedt) H. Lange-Bertalot in D. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez Iconogr. Diatomol. 15: 192 2005
Placoneis radialisG.V. Pomazkina & E.V. Rodionova in Pomazkina, Rodionova, & Sherbakova Limnol. Freshw. Biol. 2019: 196, pl. 173 in Pomazkina et al., Benthic diatom algae of the family Naviculaceae of Lake Baikal (2018) 2019
Placoneis radialis var. productaG.V. Pomazkina & E.V. Rodionova in Pomazkina, Rodionova, & Sherbakova Limnol. Freshw. Biol. 2019: 196, pl. 174 in Pomazkina et al., Benthic diatom algae of the family Naviculaceae of Lake Baikal (2018) 2019
Placoneis regionalisG.V. Pomazkina & T.A. Sherbakova in Pomazkina, Rodionova, & Sherbakova Limnol. Freshw. Biol. 2019: 197, pl. 175 in Pomazkina et al., Benthic diatom algae of the family Naviculaceae of Lake Baikal (2018) 2019
Placoneis reimeriJ.P. Kociolek & E.W. Thomas Nova Hedwigia 90: 201, figs. 30-35, 39-41 2010
Placoneis reversa(Hustedt) H. Lange-Bertalot in D. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez Iconogr. Diatomol. 15: 193 2005
Placoneis rhombeaG.V. Pomazkina & E.V. Rodionova in Pomazkina, Rodionova, & Sherbakova Limnol. Freshw. Biol. 2019: 197, pl. 176 in Pomazkina et al., Benthic diatom algae of the family Naviculaceae of Lake Baikal (2018) 2019
Placoneis rhombellipticaD. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez Iconogr. Diatomol. 15: 193, pl. 71: figs. 16-23; pl. 76: fig. 2 2005
Placoneis rhombica(Brockmann) H. Lange-Bertalot in D. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez Iconogr. Diatomol. 15: 195 2005
Placoneis rostrata(Ant. Mayer) E.J. Cox Bot. J. Linn. Soc. [London] 141: 67 2003
Placoneis ruppelianaM.S. Kulikovskiy, H. Lange-Bertalot & D. Metzeltin in Metzeltin et al. Iconogr. Diatomol. 23: 232, pl. 125: figs. 4-9; pl. 126: figs. 1, 2; pl. 127: figs. 1-3 2012
Placoneis santaremensisD. Metzeltin & H. Lange-Bertalot in H. Lange-Bertalot (ed.) Iconographia Diatomologica 5: 199, pl. 75: figs. 18-24 1998
Placoneis scharfiiH. Lange-Bertalot & Rumrich in U. Rumrich, H. Lange-Bertalot, & M. Rumrich Iconogr. Diatomol. 9: 211, pl. 59: figs. 5-7 2000
Placoneis septentrionalisG.V. Pomazkina & E.V. Rodionova in Pomazkina, Rodionova, & Sherbakova Limnol. Freshw. Biol. 2019: 196, pl. 178 in Pomazkina et al., Benthic diatom algae of the family Naviculaceae of Lake Baikal (2018) 2019
Placoneis serena(Frenguelli) D. Metzeltin in D. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez Iconogr. Diatomol. 15: 195 2005
Placoneis signata(Hustedt) S. Mayama in S. Mayama & A. Kawashima Diatom 14: 70 1998
Placoneis signatoidesD. Metzeltin & Z. Levkov in Levkov, Krstic, Metzeltin & Nakov Icon. Diatomol. 16: 114, pl. 90: figs. 2-9 2007
Placoneis significansH. Lange-Bertalot in D. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez Iconogr. Diatomol. 15: 196 2005
Placoneis simplexG.V. Pomazkina & E.V. Rodionova in Pomazkina, Rodionova, & Sherbakova Limnol. Freshw. Biol. 2019: 197, pl. 179 in Pomazkina et al., Benthic diatom algae of the family Naviculaceae of Lake Baikal (2018) 2019
Placoneis sinensisY. Li & D. Metzeltin in Gong et al. Phytotaxa 150: 34, figs. 40-43 2013
Placoneis solarisG.V. Pomazkina, E.V. Rodionova & T.A. Sherbakova Limnol. Freshw. Biol. 2019: 197, pl. 180 in Pomazkina et al., Benthic diatom algae of the family Naviculaceae of Lake Baikal (2018) 2019
Placoneis sovereigniae_('sovereignae')(Hustedt) L.C. Torgan & L. Donadel Iheringia, sér. Bot. 65: 107 2010
Placoneis spinosaM.S. Kulikovskiy, H. Lange-Bertalot & D. Metzeltin in Metzeltin et al. Iconogr. Diatomol. 23: 233, pl. 122: figs. 1-4; pl. 123: figs. 1, 2 2012
Placoneis subclementis(Hustedt) H. Lange-Bertalot in D. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez Iconogr. Diatomol. 15: 196 2005
Placoneis subelegansZ. Levkov in Levkov & Williams Phytotaxa 30: 16, figs. 97-113 2011
Placoneis subgastriformis(Hustedt) E.J. Cox Bot. J. Linn. Soc. [London] 141: 74 2003
Placoneis subinflata(Grunow) Mereschkowsky image
Placoneis subinflata var. elliptica(Cleve) Mereschkowsky image
Placoneis subplacentula(Hustedt) E.J. Cox Bot. J. Linn. Soc. [London] 141: 73 2003
Placoneis subsalsaMereschkowsky image
Placoneis subsalsa var. minuta(Grunow) Mereschkowsky image
Placoneis subsalsa var. obtusata(Grunow) Mereschkowsky image
Placoneis subtilisM.S. Kulikovskiy & H. Lange-Bertalot in Metzeltin et al. Iconogr. Diatomol. 23: 234, pl. 131: figs. 23-28; pl. 134: figs. 6 2012
Placoneis surinamensis(Cleve) D. Metzeltin & H. Lange-Bertalot in H. Lange-Bertalot (ed.) Iconographia Diatomologica 5: 200 1998
Placoneis symmetrica(Hustedt) H. Lange-Bertalot in D. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez Iconogr. Diatomol. 15: 197 2005
Placoneis tersa(Hustedt) D. Metzeltin & H. Lange-Bertalot in H. Lange-Bertalot (ed.) Iconographia Diatomologica 5: 200 1998
Placoneis tsendeekhuuiD. Metzeltin, H. Lange-Bertalot & N. Soninkhishig Iconogr. Diatomol. 20: 83, pl. 55: figs. 1-6 2009
Placoneis tumidulaZ. Levkov in Levkov, Krstic, Metzeltin & Nakov Icon. Diatomol. 16: 115, pl. 91: figs. 11-15, pl. 92: figs. 4-10, pl. 93: fig. 1 2007
Placoneis undulata(Østrup) T. Ohtsuka & Y. Fujita Nova Hedwigia 73: 107 2001
Placoneis uruguayensisD. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez Iconogr. Diatomol. 15: 197, pl. 78 2005
Placoneis vadosaG.V. Pomazkina & E.V. Rodionova in Pomazkina, Rodionova, & Sherbakova Limnol. Freshw. Biol. 2019: 197, pl. 181 in Pomazkina et al., Benthic diatom algae of the family Naviculaceae of Lake Baikal (2018) 2019
Placoneis vicina(Hustedt) D. Metzeltin & H. Lange-Bertalot in H. Lange-Bertalot (ed.) Iconographia Diatomologica 5: 201 1998
Placoneis vladimirii var. diminutaG.V. Pomazkina in Pomazkina, Rodionova, & Sherbakova Limnol. Freshw. Biol. 2019: 198, pl. 183 in Pomazkina et al., Benthic diatom algae of the family Naviculaceae of Lake Baikal (2018) 2019
Placoneis vladimirii_('vladimiri')G.V. Pomazkina in Pomazkina, Rodionova, & Sherbakova Limnol. Freshw. Biol. 2019: 197, pl. 182 in Pomazkina et al., Benthic diatom algae of the family Naviculaceae of Lake Baikal (2018) 2019
Placoneis waernensis(Foged) H. Lange-Bertalot & D. Metzeltin in D. Metzeltin, H. Lange-Bertalot & N. Soninkhishig Iconogr. Diatomol. 20: 84 2009
Placoneis witkowskiiD. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez Iconogr. Diatomol. 15: 200, pl. 71: figs. 8-15 2005
Placoneis witkowskii var. baicalensisG.V. Pomazkina & T.A. Sherbakova in Pomazkina, Rodionova, & Sherbakova Limnol. Freshw. Biol. 2019: 198, pl. 184 in Pomazkina et al., Benthic diatom algae of the family Naviculaceae of Lake Baikal (2018) 2019
Placoneis yucatanensisD. Metzeltin & H. Lange-Bertalot Iconogr. Diatomol. 18: 233, pl. 144: figs. 7-11 2007
Placoneis zimmermanniiD. Metzeltin & H. Lange-Bertalot in H. Lange-Bertalot (ed.) Iconographia Diatomologica 5: 201, pl. 89: figs. 10-13 1998
Placoneis zulaM.S. Kulikovskiy, H. Lange-Bertalot & D. Metzeltin in Metzeltin et al. Iconogr. Diatomol. 23: 235, pl. 131: figs. 1-13 2012