Platoma Schousboe ex F.Schmitz, 1894

Holotype species: Platoma cyclocolpum (Montagne) F.Schmitz

Original publication and holotype designation: Schmitz, F. (1894). Kleinere Beitr├Ąge zur Kenntniss der Florideen. Nuova Notarisia 5: 608-635.

Precise date of publication: April 1894

Description: Thallus (gametophyte) erect, flattened, occasionally mucilaginous or cartilaginous, with broad unbranched or variously branched blades, uncalcified. Structure multiaxial, with a medulla of loose filaments and a cortex of dichotomously divided anticlinal filaments. Vesicular cells generally present in the inner cortex. Subsidiary auxiliary cells formed from cells of the cortical fascicle adjacent to the supporting cell. Connecting filaments formed from subsidiary auxiliary cells, meandering through the thallus to intercalary generative auxiliary cells. Gonimoblast arising from a diploidised generative auxiliary cell, composed entirely of carposporangia.

Information contributed by: J. Huisman (2018).. The most recent alteration to this page was made on 2018-09-26 by M.D. Guiry.

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

Gender: This genus name is currently treated as neuter.

Most recent taxonomic treatment adopted: Huisman, J.M. (2018). Algae of Australia. Marine benthic algae of north-western Australia. 2. Red algae. pp. [i]-xii, 1-672, 189 figs. Canberra & Melbourne: ABRS & CSIRO Publishing.

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Some of the descriptions included in AlgaeBase were originally from the unpublished Encyclopedia of Algal Genera, organised in the 1990s by Dr Bruce Parker on behalf of the Phycological Society of America (PSA) and intended to be published in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.

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M.D. Guiry in Guiry, M.D. & Guiry, G.M. 26 September 2018. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway.; searched on 06 December 2022

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