154,555 species and infraspecific names are in the database, 21,106 images, 59,782 bibliographic items, 419,596 distributional records.

Gloiosiphonia Carmichael, 1833

Empire Eukaryota
Kingdom Plantae
Subkingdom Biliphyta
Phylum Rhodophyta
Subphylum Eurhodophytina
Class Florideophyceae
Subclass Rhodymeniophycidae
Order Gigartinales
Family Gloiosiphoniaceae

Holotype species: Gloiosiphonia capillaris (Hudson) Carmichael

Original publication and holotype designation: Berkeley, Rev. M.J. (1833). Gleanings of British algae; being an Appendix to the Supplement to English Botany. pp. [i], pls 13-16. London: Sold by the proprietor C.E. Sowerby, 3 Mead Place Westminster Road; G.B. Sowerby, 156, Regent Street; Longman and Co., and Sherwood & Co., Paternoster Row; &c..
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Taxonomic status: currently recognized as a distinct genus.

Most recent taxonomic treatment adopted: Kylin, H. (1956). Die Gattungen der Rhodophyceen. pp. i-xv, 1-673, 458 figs. Lund: C.W.K. Gleerups.

Nomenclatural notes
Substitute name for Capillaria Stackhouse 1809, nom. illeg.; not Capillaria Roussel 1806. - (23 Jan 2017) - M.D. Guiry

Description: Uniaxial, soft, branched one to four orders. Rhizoids cloaking relatively large axial cell, with four medially situated periaxial cells producing di- or trichotomously ramifying, determinate, corticating branches of rectangular to cuneate to ovate cells. Hairs present. Pit plugs lacking cap layers. Monoecious. Carpogonium borne on an adventitious branch. Terminal four cells of branch represent supporting cell and three-celled carpogonial branch. Auxiliary cell an enlarged cell of a branch borne on supporting cell. Fertilized carpogonium producing a connecting filament that contacts the auxiliary cell. A single gonimoblast initial producing a compact cystocarp, almost all cells becoming carposporangia, with no involucre. Spermatangia superficial. Tetrasporophyte heteromorphic, crustose, Cruoriopsis-like. Tetrasporangia small, cruciate, attached basally. Some populations with direct life history: gametophytes arising directly from crust produced from carpospore. Spore germination: usually a single rhizoid-like outgrowth, soon branching.

Information contributed by: S.C. Lindstrom. The most recent alteration to this page was made on 23 Jan 2017 by M.D. Guiry.

Comments: Known only from temperate waters of the northern hemisphere.

Numbers of names and species: There are 4 species names in the database at present, of which 3 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):

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: 28 December 2000 by M.D. Guiry

Verified by: 23 January 2017 by M.D. Guiry

Linking to this page: http://www.algaebase.org/search/genus/detail/?genus_id=33001

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 21 February 2019.

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