162,343 species and infraspecific names are in the database, 22,760 images, 63,965 bibliographic items, 474,946 distributional records.

Placoneis dicephala (Ehrenberg) Mereschkowsky 1903

Publication details
Placoneis dicephala (Ehrenberg) Mereschkowsky 1903: 7, pl. 1: figs 11-13, 21, 22

Published in: Mereschkowsky, C. (1903). Über Placoneis, ein neues Diatomeen-Genus. Beihefte zum Botanischen Centralblatt 15(1): 1-30, pl. 1.

Type species
The type species (lectotype) of the genus Placoneis is Placoneis gastrum (Ehrenberg) Mereschkowsky.

Status of name
This name is of an entity that is currently accepted taxonomically.

Basionym
Navicula dicephala Ehrenberg

Type information
Syntype localities: Fossil im Bergmehl von Dagernfors in Schweden und von Kymmene Gard in Finnland (Ehrenberg 1838: 185).

Homotypic Synonym(s)
Navicula dicephala Ehrenberg 1838
Pinnularia dicephala (Ehrenberg) Ehrenberg 1843
Schizonema dicephalum (Ehrenberg) Kuntze 1898
Cymbella dicephala (Ehrenberg) Holmboe 1901

General environment
This is a marine species.

Detailed distribution with sources (Click to Load)

Key references
Li Jiaying & Qi Yuzao [Li, J.Y. & Qi, Y.Z.] (2018). Flora algarum sinicarum aquae dulcis Tomus XXIII Bacillariophyta Naviculaceae (III). pp. [1-8], i-xxiii, 1-214, pls I-XLVIII. Beijing: Science Press.

Created: 29 April 2002 by M.D. Guiry

Verified by: 28 January 2019 by M.D. Guiry

Accesses: This record has been accessed by users 572 times since it was created.

Verification of data
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Linking to this page: http://www.algaebase.org/search/species/detail/?species_id=50509

Citing AlgaeBase
Cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 2021. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched on 24 July 2021.

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