Holotype species: Myriactula pulvinata (Kützing) Kuntze
Original publication and holotype designation: Kuntze, O. (1898). Revisio generum plantarum. Pars III (3). pp. 1-576. Leipzig, London, Milano, New York, Paris: Arthur Felix, Dulau & Co., U. Hoepli, Gust. A. Schechert, Charles Klincksierck.
Taxonomic status: currently recognized as a distinct genus.
Most recent taxonomic treatment adopted: Silberfeld, T., Rousseau, F. & Reviers, B. de (2014). An updated classification of brown algae (Ochrophyta, Phaeophyceae). Cryptogamie Algologie 35(2): 117-156.
Substitute name for Myriactis Kützing 1843, non C.F.Lessing 1831. - (29 Aug 2011) - M.D. Guiry
Description: Thalli epiphytic to partly endophytic, minute cushions or tufts on hosts to 250 µm high and 2 mm in diameter. Basal rhizoidal filaments that grow adpressed to or slightly inside host surface issue erect filaments of unpigmented globose cells (may be lacking in some forms), several erect filaments forming a syntagmatic mass of medullary cells with a distal cortex of pigmented, short, curved or straight assimilatory filaments (paraphyses), hyaline hairs, and reproductive organs. Plurilocular sporangia uniseriate, in clusters , unilocular sporangia pyriform., both borne at the base of the paraphyses. Life history unknown. Widely distributed in cold and warm-temperate seas.
Information contributed by: A. F. Peters. The most recent alteration to this page was made on 20 Jun 2014 by M.D. Guiry.
Numbers of names and species: There are 31 species names in the database at present, of which 26 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: 20 June 2014 by M.D. Guiry
Linking to this page: http://www.algaebase.org/search/genus/detail/?genus_id=32906
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 14 October 2019.