156,011 species and infraspecific names are in the database, 21,990 images, 60,295 bibliographic items, 442,406 distributional records.

Basichlamys Skuja, 1956

Classification:
Empire Eukaryota
Kingdom Plantae
Subkingdom Viridiplantae
Infrakingdom Chlorophyta infrakingdom
Phylum Chlorophyta
Subphylum Chlorophytina
Class Chlorophyceae
Order Chlamydomonadales
Family Tetrabaenaceae

Holotype species: Basichlamys sacculifera (Scherffel) Skuja

Original publication and holotype designation: Skuja, H. (1956). Taxonomische und biologische Studien über das Phytoplankton schwedischer Binnengewässer. Nova Acta Regiae Societatis Scientiarum Upsaliensis, Series 4 16(3): 1-404.

Taxonomic status: currently recognized as a distinct genus.

Most recent taxonomic treatment adopted: Massjuk, N.P. & Lilitska, G.G. (2011). Volvocales. In: Algae of Ukraine: diversity, nomenclature, taxonomy, ecology and geography. Volume 3: Chlorophyta. (Tsarenko, P.M., Wasser, S.P. & Nevo, E. Eds), pp. 218-225. Ruggell: A.R.A. Gantner Verlag K.-G..

Description: Colonies contain 4 cells attached to their parental cellular sheath (sac), forming a square. Cells ovoid and somewhat asymmetrical, each with two equal flagella, a stigma, two contractile vacuoles at the base of the flagella, and a massive cup-shaped chloroplast with single pyrenoid. Asexual reproduction by autocolony formation; akinetes sometimes formed. Sexual reproduction isogamous, forming walled aplanozygotes. Basichlamys is rare but cosmopolitan in freshwater. Basichlamys was described for Gonium sacculiferum Scherffel. It is distinguished from Gonium in lacking connections of the cellular sheaths of the constitutive cells, which attach only to the sac. Some authors do not recognize this genus and use Gonium sacculiferum.

Information contributed by: H. Nozaki. The most recent alteration to this page was made on 25 Jan 2012 by M.D. Guiry.

Numbers of names and species: There are 1 species names in the database at present, of which 1 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.

References
Nozaki, H., Itoh, M., Watanabe, M.M. & Kuroiwa, T. (1996). Ultrastructure of the vegetative colonies and systematic position of Basichlamys (Volvocales, Chlorophyta). European Journal of Phycology 31(1): 67-72, 6 figs, 2 tables.

Verification of data
Users are responsible for verifying the accuracy of information before use, as noted on the website Content page.

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.

Created: 23 April 2002 by M.D. Guiry

Verified by: 25 January 2012 by M.D. Guiry

Linking to this page: http://www.algaebase.org/search/genus/detail/?genus_id=44223

Citing AlgaeBase
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 19 August 2019.

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