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

Taxonomy Detail

Family Sebdeniaceae

Sebdeniaceae Kylin, 1932: 12.

Type of name: Sebdenia (J.Agardh) Berthold 1882

Source: Huisman, J.M. & Saunders, G.W. (2018). Sebdeniales. In: Algae of Australia. Marine benthic algae of north-western Australia. 2. Red algae. (Huisman, J.M. Eds), pp. 298-303. Canberra & Melbourne: ABRS & CSIRO Publishing.

Original publication: Kylin, H. (1932). Die Florideenordung Gigartinales. Acta Universitatis Lundensis 28(8): 1-88, 22 figs, 28 plates.

Thallus soft to firm, erect with a single holdfast, or mat-forming and dorsiventral with secondary holdfasts from the ventral surface, branched or unbranched, with terete compressed or blade-like axes. Structure multiaxial; medulla of loosely arranged or periclinal hyaline filaments, with or without lateral vesicular cells, grading to an outer medulla of stellate or rounded cells; cortex of a few layers of rounded to elongate cells. Spermatangia in sori on outer cortical cells. Carpogonia and auxiliary cells in separate branch systems (non-procarpic) and not forming in specialised ampullae. Carpogonial branches 3- or 4-celled, lateral on cortical cells; auxiliary cells distinct, intercalary, after diploidisation issuing outwardly directed gonimoblasts directly; nutritive filaments present or absent. Cystocarps embedded, with an involucre and a slightly to markedly raised ostiolate pericarp, sometimes with several carposporophytes in a conjoined nemathecial pericarp, with almost all gonimoblast cells becoming carposporangia. Tetrasporangia cruciately or irregularly divided, scattered in the outer cortex or in raised nemathecia, arising laterally on a bearing cell. Life history triphasic, with isomorphic gametophytes and tetrasporophytes.

(Please note: only references with the binomials in the title are included. The information is from the Literature database.)

Gavio, B., Hickerson, E. & Fredericq, S. (2005). Platoma chrysymenioides sp. nov. (Schizymeniaceae), and Sebdenia integra sp. nov. (Sebdeniaceae), two new red algal species from the Northwestern Gulf of Mexico, with a phylogenetic assessment of the Cryptonemiales complex (Rhodophyta). Gulf of Mexico Science 23: 38-57.

Hansen, G.I. (1989). Schizymenia dawsonii and its relation to the genus Sebdenia (Sebdeniaceae, Rhodophyta). Taxon 38: 54-59.

Kraft, G.T. & Saunders, G.W. (2011). Taxonomic and molecular studies of the family Sebdeniaceae (Sebdeniales, Rhodophyta): new species of Lesleigha gen. nov. and Crassitegula from Hawaii, east Asia and Lord Howe Island. European Journal of Phycology 46(4): 416-441.

Manghisi, A. & Ribera, M.A. (2007). Lectotypification of Halymenia rodrigueziana J. Feldmann [= Sebdenia rodrigueziana (J. Feldmann) Codomier ex Athanasiadis (Sebdeniaceae, Rhodophyta)]. Anales del Jardín Botánico de Madrid 64: 75-78.

Manghisi, A., Gómez Garreta, A. & Ribera, M.A. (2005). Mapas de distribución de algas marinas de la Península Ibérica e Islas Baleares. XXI. Sebdenia (Sebdeniaceae, Rhodophyta). Botanica Complutensis 29: 85-88.

N'Yeurt, A.D.R. & Payri, C.E. (2008). Sebdenia cerebriformis sp. nov. (Sebdeniaceae, Sebdeniales) from the south and western Pacific Ocean. Phycological Research 56: 13-20.

Schneider, C.W., Lane, C.E. & Saunders, G.W. (2006). Crassitegula walsinghamii (Sebdeniaceae, Halymeniales), a new red algal genus and species from Bermuda based upon morphology and SSU and rDNA sequence analyses. European Journal of Phycology 41: 115-124.

Linking to this page: http://www.algaebase.org/browse/taxonomy/detail/?taxonid=5120

Citing AlgaeBase
Cite this record as:
Guiry, M.D. & Guiry, G.M. 2019. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched on 18 August 2019.

Algaebase taxon LSID: urn:lsid:algaebase.org:taxname:5120

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