Octogoniella Pascher, 1930
Holotype species: Octogoniella sphagnicola Pascher
Original publication and holotype designation: Pascher, A. (1930). Ein grüner Sphagnum-Epiphyt und seine Beziehung zu freilebenden Verwandten (Desmatractum, Calyptobactron, Bernardinella). (Der 'Beitrage zur Morphologie und Biologie epiphytischerAlgen'). Archiv für Protistenkunde 69: 637-658.
Taxonomic status: currently recognized as a distinct genus.
Most recent taxonomic treatment adopted: Komárek, J. & Fott, B. (1983). Chlorophyceae (Grünalgen) Ordnung: Chlorococcales. Das Phytoplankton des Süsswassers. In: Das Phytoplankton des Süsswassers (Die Binnengewässer) XVI. (Huber-Pestalozzi, G. Eds), pp. -x, -1044. Stuttgart: E. Schweizerbart'sche Verlangbuchhandlung (Nägele u. Obermiller).
Description: Thalli microscopic and unicellular with spherical protoplast embedded in four or eight sided polygonal envelope 13-18 µm long and a maximum of 15 µ;m wide. Cell walls smooth with slightly developed equatorial ridge and blunt cell ends. Contractile vacuole present in young cells. Cells uninucleate; chloroplast single and parietal; pyrenoid single when young, two when mature. Asexual reproduction by autospores or biflagellate, egg-shaped zoospores. Sexual reproduction unknown. Octogoniella epiphytic on the green cells of Sphagnum leaves; known only from Czechoslovakia.
Information contributed by: D. Garbary and O. L. Reymond. The most recent alteration to this page was made on 16 Nov 2018 by M.D. Guiry.
Numbers of names and species: There is only one species or infraspecific name in the database at present, which has 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):
Click here to also show infraspecific names in the list below.
Verification of data
Users are responsible for verifying the accuracy of information before use, as noted on the website Content page.
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.
Created: 27 September 2004 by Robert Wilkes
Verified by: 16 November 2018 by M.D. Guiry
Linking to this page: http://www.algaebase.org/search/genus/detail/?genus_id=47438
Please cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 2019. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched on 25 August 2019.