Diconodinium Eisenack & Cookson, 1960

Holotype species: Diconodinium multispinum (Deflandre & Cookson) Eisenack & Cookson

Original publication and holotype designation: Eisenack, A. & Cookson, I.C. (1960). Microplankton from Australian Lower Cretaceous sediments. Proceedings of the Royal Society of Victoria 72(1): 1-11.

Fossil: This is a genus of fossil species, or a genus with a fossil type species, or a genus the type species of which was originally described as a fossil.

Description: Shell fusiform to almost spherical, without tabulation and capsule, divided equally or unequally by a circular girdle; ventral surface with or without clear lines which run longitudinally from the end of the girdle to or towards both apex and antapex delimiting an area which corresponds in position to a longitudinal furrow. Epitheca terminated by a strongly marked to inconspicuous process with a bifid or concave tip; hypotheca with a prominent to much reduced spine-like projection. Shell-membrane thin, smooth or ornamented with granules, spinules, or small spines. Genotype Diconodinium multispinum (Defl. and Cookson).

Information contributed by: Original description.. The most recent alteration to this page was made on 2021-07-12 by E.A. Molinari Novoa.

Taxonomic status: This name is of an entity that is currently accepted taxonomically.

Gender: This genus name is currently treated as neuter.

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Contributors
Some of the descriptions included in AlgaeBase were originally from the unpublished Encyclopedia of Algal Genera, organised in the 1990s by Dr Bruce Parker on behalf of the Phycological Society of America (PSA) and intended to be published in CD format. These AlgaeBase descriptions are now being continually updated, and each current contributor is identified above. The PSA and AlgaeBase warmly acknowledge the generosity of all past and present contributors and particularly the work of Dr Parker.

Descriptions of chrysophyte genera were subsequently published in J. Kristiansen & H.R. Preisig (eds.). 2001. Encyclopedia of Chrysophyte Genera. Bibliotheca Phycologica 110: 1-260.

Linking to this page: https://www.algaebase.org/search/genus/detail/?genus_id=45403

Citing AlgaeBase
Cite this record as:
E.A. Molinari Novoa in Guiry, M.D. & Guiry, G.M. 12 July 2021. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. https://www.algaebase.org; searched on 07 September 2024