Palaeophalacroma J.Schiller, 1928

Lectotype species: Palaeophalacroma verrucosum Schiller

Original publication: Schiller, J. (1928). Die planktischen Vegetationen des adriatischen Meeres. C. Dinoflagellata. 1 Teil. Adiniferidea, Dinophysidaceae. Archiv für Protistenkunde 61: 45-91.

Type designated in: Loeblich, A.R. & Loeblich, A.R. (1966). Index to the genera, subgenera, and sections of the Pyrrhophyta. Studies in Tropical Oceanography 3: [i]-x, 1-94, 1 plate.

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Description: Small to medium-sized (18-40 µm) cell ovoid or subspherical. Cingulum slightly displaced to the apical pole so that the epicone is smaller than the hypocone, or cingulum median so that epi-and hypocone are equal-sized. Cingulum not well marked, only with a very narrow epithecal cingular list, without hypothecal list. Sulcus straight, not reaching the antapex. Plate formula: Po, 4', 3a, 7", 6c, 6s, 6"', 2"". Chloroplasts mentioned but always present or remaining food particles? Due to its weak tabulation which is hard to analyze, it originally was placed in the Dinophysiales. Most species are poorly described and some may be synonyms of the type species. Marine plankton, in warm temperate waters.

Information contributed by: M. Elbrächter. The most recent alteration to this page was made on 2017-05-23 by M.D. Guiry.

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

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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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Some of the descriptions included in AlgaeBase were originally from the unpublished Encyclopedia of Algal Genera, organised in the 1990s by Dr Bruce Parker on behalf of the Phycological Society of America (PSA) and intended to be published in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=44668

Citing AlgaeBase
Cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 23 May 2017. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. https://www.algaebase.org; searched on 22 November 2024