Ectogeron P.-A.Dangeard, 1947: 13
Holotype species: Ectogeron elodeae P.Dangeard
Description: Solitary cells epiphytic or on various substrata; in surface view spherical to amorphous in outline. Cells distinctly flattened, to 50-60 &m diameter and to 15 &m high. Cell walls thicker on upper side of cell with wrinkled surface. Cells uninucleate; chloroplast parietal; when young, pyrenoid single, later 15-20. Asexual reproduction by biflagellate zoospores and aplanospores; up to 64-128 spores per sporangium. Zoospores flattened, 7-9 x 6-7 x 2.5-3.5 &m, with contractile vacuoles and parietal chloroplast with pyrenoid and stigma. Sexual reproduction isogamous. Ectogeron mostly epiphytic on submerged macrophytes in freshwater; reported only from France and Austria. Taxonomic position of Ectogeron unclear with genus variously assigned to Characiaceae or Chlorochytriaceae.
NCBI Nucleotide Sequences
Numbers of names and species: There is only one species or infraspecific name in the database at present.
Names: ('C' indicates a name that is currently 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):
Ectogeron elodeae P.Dangeard S - type
Information contributed by D. Garbary and T. Kalina and may now be outdated.
Some of the descriptions included in AlgaeBase were originally from the unpublished Encyclopedia of Algal Genera, organised in the 1990s by Dr Bruce Parker on behalf of the Phycological Society of America (PSA) and intended to be published in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: http://www.algaebase.org/search/genus/detail/?genus_id=47395
Cite this record as:
Guiry, M.D. & Guiry, G.M. 2013. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched on 12 December 2013.
Algaebase taxon LSID: urn:lsid:algaebase.org:taxname:96583