Preperidinium Mangin, 1913

Lectotype species: Preperidinium paulseni (Mangin) Mangin

Currently accepted name for the type species: Preperidinium meunieri (Pavillard) Elbrächter

Original publication and holotype designation: Mangin, L. (1913). Sur la flore planctonique de la rade de Saint-Vaast-La-Hougue 1908-1912. Nouvelles Archives du Muséum d’Histoire Naturelle, Paris, Série 5 5: 147-241, 1 pl.

Description: Medium-sized (50-90 µm) thecate dinoflagellate of subspherical-to-lenticular shape, characterized by a short apical horn and a large left sulcal list. Cingulum circular, dividing the cell into 2 parts of equal size. Sulcus characterized by a large flagellar pore. Plate formula: Po, X, 3', 1a, 6", 4c, 6(?)s, 5"', 1"". First apical plate 4-sided. Thecal plates smooth, sometimes with broad intercalary bands. Cytoplasm clear, most specimens reddish colored, no chloroplasts. Nucleus spherical-to-ovoid. Nutrition by pallium-feeding on diatoms and other phytoplankton species. Cysts (50-60 µm) dark brown in color, circular to sub-circular in outline with pronounced polar compression and slight dorsiventral compression. Inner body thick-walled (1-2 µm, microgranulate. Marine plankton, worldwide in coastal waters.

Information contributed by: M. Elbrächter. The most recent alteration to this page was made on 2020-02-20 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: Elbrächter, M. (1993). Kolkwitziella Lindemann 1919 and Preperidinium Mangin 1913: correct genera names in the Diplopsalis-group (Dinophyceae). Nova Hedwigia 56(1-2): 173-178, no figs.

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Some of the descriptions included in AlgaeBase were originally from the unpublished Encyclopedia of Algal Genera, organised in the 1990s by Dr Bruce Parker on behalf of the Phycological Society of America (PSA) and intended to be published in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. 20 February 2020. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway.; searched on 18 April 2024

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