153,593 species and infraspecific names are in the database, 20,980 images, 59,399 bibliographic items, 411,125 distributional records.

Masudaphycus S.C.Lindstrom, 1988

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

Holotype species: Masudaphycus irregularis (Yamada) S.C.Lindstrom

Original publication and holotype designation: Lindstrom, S.C. (1988). The Dumontieae, a resurrected tribe of red algae (Dumontiaceae, Rhodophyta). Phycologia 27: 89-102.

Taxonomic status: currently recognized as a distinct genus.

Most recent taxonomic treatment adopted: Schneider, C.W. & Wynne, M.J. (2007). A synoptic review of the classification of red algal genera a half a century after Kylin's "Die Gattungen der Rhodophyceen". Botanica Marina 50: 197-249.

Description: Flattened, irregularly distichously to flabellately branched to about five orders. Perennial. Branch apices with distinct apical cell but uniaxiality obscured by secondary pit connection formation behind apex. Medullary cells stellate. Cortical cells subspherical to elliptical, progressively smaller toward cuticle. Dioecious. Carpogonium terminating a long, distally recurved, adventitious filament with proximal laterals. Post-fertilization development undescribed. Spermatangia superficial, cut off by oblique walls. "Tetrasporophyte" isomorphic; bisporangia attached laterally.Flattened, irregularly distichously to flabellately branched to about five orders. Perennial. Branch apices with distinct apical cell but uniaxiality obscured by secondary pit connection formation behind apex. Medullary cells stellate. Cortical cells subspherical to elliptical, progressively smaller toward cuticle. Dioecious. Carpogonium terminating a long, distally recurved, adventitious filament with proximal laterals. Post-fertilization development undescribed. Spermatangia superficial, cut off by oblique walls. "Tetrasporophyte" isomorphic; bisporangia attached laterally.

Information contributed by: S.C. Lindstrom. The most recent alteration to this page was made on 7 Oct 2010 by M.D. Guiry.

Comments: Found only in the northwest Pacific and adjacent seas: Kurile Is., Hokkaido, southern Sea of Okhotsk-northern Sea of Japan

Numbers of names and species: There are 2 species names in the database at present, of which 2 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.

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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: 28 December 2000 by M.D. Guiry

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Linking to this page: http://www.algaebase.org/search/genus/detail/?genus_id=41573

Citing AlgaeBase
Please cite this record as:
Guiry, M.D. & Guiry, G.M. 2018. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched on 16 November 2018.

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