158,859 species and infraspecific names are in the database, 22,385 images, 61,538 bibliographic items, 456,692 distributional records.

Isthmia enervis Ehrenberg 1838

Empire Eukaryota
Kingdom Chromista
Phylum Bacillariophyta
Subphylum Bacillariophytina
Class Mediophyceae
Subclass Chaetocerotophycidae
Order Hemiaulales
Family Isthmiaceae
Genus Isthmia


click on thumbnail for larger version.

Isthmia enervis Ehrenberg
400x _Dim. 102 x 354 µm. 15 Apr 2014. Robert Lavigne. © Robert Lavigne (MicroscopyView.com).

Isthmia enervis Ehrenberg
400x _Dim. 166 x 347 µm. 15 Apr 2014. Robert Lavigne. © Robert Lavigne (MicroscopyView.com).

Isthmia enervis Ehrenberg
Drawing from: W.Smith - British Diatomaceae Vol.2 (1856) - Plate 48 Fig. F. See also: Isthmia nervosa. 10 Feb 2014. See also: Isthmia nervosa. © W. Smith 1856 -View type: Colony.


Isthmia enervis Ehrenberg 400x _Dim. 166 x 347 µm
© Robert Lavigne (MicroscopyView.com)

Publication details
Isthmia enervis Ehrenberg 1838: 209 [pl. 16: fig. 6]

Published in: Ehrenberg, C.G. (1838). Die Infusionsthierchen als vollkommene Organismen. Ein Blick in das tiefere organische Leben der Natur. pp. i-xviii, [1-4], 1-547, [1], pls I-LXIV. Leipzig: Verlag von Leopold Voss.
 Download PDF

Publication date: July-August

Type species
The type species (lectotype) of the genus Isthmia is Isthmia obliquata (J.E.Smith) C.Agardh.

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

Heterotypic Synonym(s)
Conferva obliquata J.E.Smith 1808
Diatoma obliquata (J.E.Smith) C.Agardh 1817
Isthmia obliquata (J.E.Smith) C.Agardh 1832
Candollella obliquata (J.E.Smith) Gaillon 1833
Isthmiella enervis Cleve 1873

Habitat notes
Coastal marine epiphytic species, often found in plankton. A single frustule was observed on Geminocarpus sp. (Al-Handal & Wulff 2008). - (6 May 2010) - Wendy Guiry

General environment
This is a marine species.

Detailed distribution with sources (Click to Load)

Key references
Al-Handal, A.Y. & Wulff, A. (2008). Marine epiphytic diatoms from the shallow sublittoral zone in Potter Cove, King George Island, Antarctica. Botanica Marina 51: 411-435.

Al-Handal, A.Y., Compère, P. & Riaux-Gobin, C. (2016). Marine benthic diatoms in the coral reefs of Reunion and Rodrigues Islands, West Indian Ocean. Micronesica 2016(3): 1-77, 14 pls.

Ehrenberg, C.G. (1838). Atlas von Vier und Sechzig Kupfertafeln ze Christian Gottfried Ehrenberg über Infusionsthierchen. pp. pls I-LXIV. Leipzig: Verlag von Leopold Voss.

Hendey, N.I. (1964). An introductory account of the smaller algae of British coastal waters. Part V: Bacillariophyceae (diatoms). pp. [i]-xxii, 1-317. London: Ministry of Agriculture, Fisheries and Food, Fishery Investigations. Her Majesty’s Stationery Office.

Created: 23 April 2002 by M.D. Guiry

Verified by: 16 December 2019 by M.D. Guiry

Accesses: This record has been accessed by users 1878 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=38337

Citing AlgaeBase
Cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 2020. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched on 05 August 2020.

SITE © 1996 - 2020 M.D. Guiry. All rights reserved.

Website Design : 249 Design Studio