163,851 species and infraspecific names are in the database, 22,783 images, 63,080 bibliographic items, 481,368 distributional records.

Amphitetras antediluviana Ehrenberg 1840

Empire Eukaryota
Kingdom Chromista
Phylum Bacillariophyta
Subphylum Bacillariophytina
Class Mediophyceae
Subclass Thalassiosirophycidae
Order Eupodiscales
Family Odontellaceae
Genus Amphitetras


click on thumbnail for larger version.

Amphitetras antediluviana Ehrenberg
400x __Width 98 µm. 05 Apr 2011. Robert Lavigne. © Robert Lavigne. (MicroscopyView.com).

Amphitetras antediluviana Ehrenberg
400x __Width 98 µm. 05 Apr 2011. Robert Lavigne. © Robert Lavigne. (MicroscopyView.com).

Amphitetras antediluviana Ehrenberg
400x __Dim. 98 µm. 03 Apr 2011. Robert Lavigne. © Robert Lavigne. (MicroscopyView.com).


Halimeda opuntia f. intermedia Yamada

Biddulphia antediluviana (Ehrenberg) Van Heurck 400x __Dim. 98 µm
© Robert Lavigne. (MicroscopyView.com)

Publication details
Amphitetras antediluviana Ehrenberg 1840: 62 [142 in journal, 1841]

Published in: Ehrenberg, C.G. (1840). Über noch zahlreich jetzt lebende Thierarten der Kreidebildung und den Organismus der Polythalamien Preprint of Abhandlung der Könglichen Akademie der Wissenschaften zu Berlin aus dem Jahre 1839 [1841] with different pagination. pp. 1-94, 4 pls. Berlin.

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

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

Type information
Type locality: "lebend bei der Insel Tjörn am Cattegat" [alive, marine coastal locality at the Isle Tjörn, SW Sweden]." (Jahn & Kusber 2006: 529). Notes: Lectotype: (designated by 2006: 529): preparation No. 540014-5 in BHUPM (Fig. 1-3). Further original material. – Preparations No. 540014-1, 540014-2 (Fig. 4), 540014-6 and drawing sheets 100 (left hand side) and 101 from Tjörn in BHUPM."

Described as a fossil.

Homotypic Synonym(s)
Triceratium antediluvianum (Ehrenberg) Grunow 1868
Biddulphia antediluviana (Ehrenberg) Van Heurck 1885
Odontella antediluviana (Ehrenberg) M.Peragallo 1903

Nomenclatural notes
Pagination different in journal - this preprint has priority as it was published first. - (19 Feb 2016) - M.D. Guiry

General environment
This is a marine species.

Detailed distribution with sources (Click to Load)

Key references
Jahn, R. & Kusber, W.H. (2006). Algae of the Ehrenberg collection - 3. Typification of seven diatom taxa described by C. G. Ehrenberg predominantly from Greece. Willdenowia 36(Special Issue): 527-535, 15 figs.

Metzeltin, D. & García-Rodríguez, F. (2003). Las diatomeas Uruguayas. pp. [1]-210, 74 pls. Uruguay: DIRAC Facultad de Ciencias, Universidad de la República.

Sims, P.A., Williams, D.M. & Ashworth, M.[P.] (2018). Examination of type specimens for the genera Odontella and Zygoceros (Bacillariophyceae) with evidence for the new family Odontellaceae and a description of three new genera. Phytotaxa 382(1): 1-56, 156 figs, 2 text-figs.

Created: 08 October 2002 by Fabio Rindi

Verified by: 11 January 2019 by M.D. Guiry

Accesses: This record has been accessed by users 1091 times since it was created.

Verification of data
Users are responsible for verifying the accuracy of information before use, as noted on the website Content page.

Linking to this page: http://www.algaebase.org/search/species/detail/?species_id=55615

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 20 October 2021.

SITE © 1996 - 2021 M.D. Guiry. All rights reserved.

Website Design : 249 Design Studio