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Holotype species : Anthophysa muelleri Bory. Currently accepted name for the type species : Anthophysa vegetans O. Original publication and holotype deation : Bory de Saint-Vincent, J. Dictionnaire classique d'histoire naturelle par Messieurs Audouin, Isid.
Bourdon, Ad. De Jussieu, Kunth, G. Tome premier. Most recent taxonomic treatment adopted : Kristiansen, J. Encyclopedia of Chrysophyte genera. Bibliotheca Phycologica Description : Cells colorless, usually united at their bases into spherical or hemispherical colonies of up to 60 cells. Colonies free-swimming or attached to subsratum by means of a stalk which is often branched.
Young stalks extruded as a colorless, sticky gelatinous mass. Older stalks usually relatively transparent near the cells, but distally often becoming brown and increasingly thickenedby mineralized deposits of calcium phosphate and compounds of iron and manganese. Central part of the stalk occupied by one or more fine protoplasmic strands extending from posterior end of the cell.
Sex saint 43787 cells indistinguishable Sex saint 43787 Spumella ; naked, somewhat metabolic, obpyriform or obconical, with an obliquely truncate apex bearing two flagella of unequal length. Protoplast with a large nucleus, a leucoplast, contractile vacuoles, and one or more chrysolaminaran vacuoles. Stigma present or lacking. Food particles e. Undigested contents of nutritive vacuoles are voided near the base of the cell. Reproduction may be due to an escape of solitary cells or to a colony dissociating into individual cells.
Colonies may also divide into two parts, each of which may excrete a stalk, the original one bifurcating. Nuclear division is sometime not immediately followed by a celldivision, leading to binucleate cells. Such cells may form globular stomatocysts, in which the two nuclei may fuse. Sexual reproduction by fusion of whole cells has never been observed.
Freshwater lakes and ponds, widely distributed. Information contributed by : H. The most recent alteration to this was made on 8 Feb by M. s of names and species: There are 9 species names in the database at present, as well as 1 infraspecific names. Of the species names, 5 have been flagged as accepted taxonomically on the basis of the listed literature under the species name. In some instances, opinions on taxonomic validity differ from author to author and users are encouraged to form their own opinion.
AlgaeBase is a work in progress and should not be regarded as a definitive source only as a guide to the literature. Names: ' C ' indicates a name that is accepted taxonomically; 'S' a homotypic or heterotypic synonym; 'U' indicates a name of uncertain taxonomic status, but which has been subjected to some verification nomenclaturally; 'P' indicates a preliminary AlgaeBase entry that has not been subjected to any kind of verification. For more information on a species click on it to activate a link to the Species database :. Anthophysa bennettii W.
Stein C Anthophysa vegetans var. References Nicholls, K. Chrysophycean Algae. In: Freshwater Algae of North America. Wehr, J. EdsSex saint 43787. San Diego: Academic Press. Verification of data Users are responsible for verifying the accuracy of information before use, as noted on the website Content. These AlgaeBase descriptions are now being continually updated, and each current contributor is identified above. Descriptions of chrysophyte genera were subsequently published in J.
Encyclopedia of Chrysophyte Genera. Created: 11 April by M. Citing AlgaeBase Please cite this record as: M. Guiry in Guiry, Sex saint 43787. World-wide electronic publication, National University of Ireland, Galway. Website De : De Studio. Anthophysa Bory,nom. Kent C. Anthophysa dichotoma Bory C. Anthophysa laxa W. Kent S. Anthophysa muelleri Bory S - type. Anthophysa socialis Fromemtel W. Kent P. Anthophysa solitaria Bory C. Anthophysa stagnatilis A. Stokes P. Anthophysa steinii Senn C. Anthophysa vegetans O. Stein C. Anthophysa vegetans var. Algaebase is sponsored by:. All rights reserved.Sex saint 43787
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