Higher Classification: > Kingdom Chromista > Phylum Heterokontophyta > Subphylum Bacillariophytina > Class Bacillariophyceae > Subclass Bacillariophycidae > Superorder Bacillariophycanae > Order Cymbellales > Family Cymbellaceae > Genus Placoneis > Species Placoneis placentula

Navicula placentula var. rostrata Mayer, 1918

Rank: Variety
Taxon Status: unaccepted

Relationships towards this taxon

Genus group names

*Placoneis*	C. Mereschkowsky, 1903	accepted genus name

Variety group names

*Navicula placentula f. rostrata*	(Mayer) Hustedt, 1930	synonym

Literature

original description	Mayer, A. (1918). Bacillariales der Umgegend von Ortenburg (Niederbayern). Kryptogamische Forschungen herausgegeben von der Kryptogamenkommission der Bayerischen Botanischen Gesellschaft zur Erforschung der heimischen Flora, 1(3): 122-129, pls. 3-4.
basis of record	Hällfors, G. (2004). Checklist of Baltic Sea Phytoplankton Species (including some heterotrophic protistan groups). Baltic Sea Environment Proceedings. No. 95: 210 pp.
additional source	Fourtanier, E. & Kociolek, J. P. (compilers). (2011). Catalogue of Diatom Names. California Academy of Sciences, On-line Version. Updated 2011-09-19.
source of synonymy	Hällfors, G. (2004). Checklist of Baltic Sea Phytoplankton Species (including some heterotrophic protistan groups). Baltic Sea Environment Proceedings. No. 95: 210 pp.

Genbank

Citation

Kociolek, J.P.; Blanco, S.; Coste, M.; Ector, L.; Liu, Y.; Karthick, B.; Kulikovskiy, M.; Lundholm, N.; Ludwig, T.; Potapova, M.; Rimet, F.; Sabbe, K.; Sala, S.; Sar, E.; Taylor, J.; Van de Vijver, B.; Wetzel, C.E.; Williams, D.M.; Witkowski, A.; Witkowski, J. (2025). DiatomBase. Navicula placentula var. rostrata Mayer, 1918. Via: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvantidis, C.; Appeltans, W. (2011) European Register of Marine Species, Accessed through PESI at http://www.eu-nomen.eu/portal/taxon.php?GUID=urn:lsid:marinespecies.org:taxname:175700