Filodinium J.Cachon & M.Cachon, 1968

Holotype species: Filodinium hovassei J.Cachon & M.Cachon

Original publication and holotype designation: Cachon, J. & Cachon, M. (1968). Filodinium hovassei nov. gen. nov. sp., péridinien phoretique. Protistologica 4: 15-18.

Description: Small unicellular (10-15 µm) dinophyte with longitudinal and transverse flagella, the latter lying in the sulcus, which separates the small epicone from the much larger hypocone. From the hypocone below the cingulum, pseudopods emerge, enabling Filopodium to creep on its host, Appendicularia, thus being epiphytic (phoretic). Cytoplasm filled with numerous chloroplasts. Spherical nucleus shows ca. 20 permanently condensed chromosomes. Reproduction by multiple division. So far only reported by the authors from Appendicularia, Oikopleura dioica, from the Mediterranean Sea, classified as phoretic, but resembles somewhat some parasitic species of the Blastodiniales.

Information contributed by: M. Elbrächter. The most recent alteration to this page was made on 2017-05-22 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: Kawai, H. & Nakayama, T. (2015). Introduction (Heterokontobionta p.p.), Cryptophyta, Dinophyta, Haptophyta, Heterokontophyta (except Coscinodiscophyceae, Mediophyceae, Fragilariophyceae, Bacillariophyceae, Phaeophyceae, Eustigmatophyceae), Chlorarachniophyta, Euglenophyta. In: Syllabus of plant families. Adolf Engler's Syllabus der Pflanzenfamilien. Ed. 13. Phototrophic eukaryotic Algae. Glaucocystophyta, Cryptophyta, Dinophyta/Dinozoa, Haptophyta, Heterokontophyta/Ochrophyta, Chlorarachnniophyta/Cercozoa, Chlorophyta, Streptophyta p.p. (Frey, W. Eds), pp. 11-64, 103-139. Stuttgart: Borntraeger Science Publishers.

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Some of the descriptions included in AlgaeBase were originally from the unpublished Encyclopedia of Algal Genera, organised in the 1990s by Dr Bruce Parker on behalf of the Phycological Society of America (PSA) and intended to be published in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. 22 May 2017. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway.; searched on 06 December 2022

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