Petrodictyon gemma (Ehrenberg) D.G.Mann 1990

Petrodictyon gemma (Ehrenberg) D.G.Mann

Current name: Petrodictyon gemma (Ehrenberg) D.G.Mann
Essex UK - 17 September 2013. Wulf Herwig (

Publication Details
Petrodictyon gemma (Ehrenberg) D.G.Mann 1990: 638, 674

Published in: Round, F.E., Crawford, R.M. & Mann, D.G. (1990). The diatoms biology and morphology of the genera. pp. [i-ix], 1-747. Cambridge: Cambridge University Press.

Type Species
This is the type species (holotype) of the genus Petrodictyon.

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

Navicula gemma Ehrenberg

Type Information
Lectotype locality: "An der Elbm├╝ndung bei Cuxhaven in der Nordsee" [North Sea, Germany]; (Jahn & Kusber 2004: 585) Notes: Lectotype (designated by Jahn & Kusber 2004; 585): "Specimen of Taxonomic preparations No. 540032-3 in BHUPM (Fig. 41). The lectotype specimen corresponds to the valve on the left hand side of drawing sheet No. 1147 in BHUPM, except for the bacteria, which Ehrenberg might have interpreted as cilia (Fig. 40)."

Origin of Species Name
Noun (Latin), bud, eye (of a plant), jewel, precious stone (Brown 1946).

General Environment
This is a marine species.

Created: 23 April 2002 by M.D. Guiry.

Last updated: 30 October 2020

Verification of Data
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Citing AlgaeBase
Cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 30 October 2020. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway.; searched on 19 June 2024

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