Spoladaster Fisher 1940

Spoladaster Fisher 1940 Figure 10 A–D. Cryaster H.L. Clark 1923: 292 (non Cryaster Koehler, 1906) Tylaster Mortensen 1933: 249 (non Tylaster Danielssen & Koren, 1881) Spoladaster Fisher 1940: 135; A.M. Clark 1976: 254–258; Hotchkiss & A.M. Clark 1976: 265; A.M. Clark 1984: 41. Type species:...

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Main Authors: Mah, Christopher L., Foltz, David W.
Format: Text
Language:unknown
Published: Zenodo 2014
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Online Access:https://dx.doi.org/10.5281/zenodo.6133866
https://zenodo.org/record/6133866
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Summary:Spoladaster Fisher 1940 Figure 10 A–D. Cryaster H.L. Clark 1923: 292 (non Cryaster Koehler, 1906) Tylaster Mortensen 1933: 249 (non Tylaster Danielssen & Koren, 1881) Spoladaster Fisher 1940: 135; A.M. Clark 1976: 254–258; Hotchkiss & A.M. Clark 1976: 265; A.M. Clark 1984: 41. Type species: Cryaster brachyactis H.L. Clark 1923, by original designation Diagnosis. (Following Clark 1984, Clark & Downey 1992). Body swollen and cushion-like, pentagonal in outline (R/r= 1.2–1.6). Larger individuals (R/r=~ 1.5 at R>5.0) with more stellate body shape versus smaller with more pentagonal outlines. Body wall thickened. Short, pointed spinelets embedded in body wall surface. Abactinal plates minimal, reduced into body wall, especially in larger specimens. Papulae covers most of abactinal surface. Marginal plates best observed in smaller specimens (R= 1.5 –2.0) (Fig. 10 C, D), embedded in thickened body tissue, obscured in larger specimens (R>~3.0) (Fig. 10 A, B). Actinal plates imbricate, in transverse series but becoming minimized. If present, concealed by thickened body tissue in larger specimens (R>~3.0) (Fig. 10 A, B). Furrow spines one to three (two to three in most). Subambulacral spines larger. Included species: S. veneris Perrier 1879 : Published as part of Mah, Christopher L. & Foltz, David W., 2014, New taxa and taxonomic revisions to the Poraniidae (Valvatacea; Asteroidea) with Comments on Feeding Biology, pp. 327-372 in Zootaxa 3795 (3) on page 361, DOI: 10.11646/zootaxa.3795.3.7, http://zenodo.org/record/252134 : {"references": ["Fisher, W. K. (1940) Asteroidea. Discovery Reports, 20, 69 - 306.", "Clark, H. L. (1923) The Echinoderm fauna of South Africa. Annals of the South African Museum, 13 (7), 221 - 435.", "Koehler, R. (1906) Echinodermes. (Stellerides, Ophiures et Echinides). Expedition Antarctique Francaise (1903 - 1905) commandee par le Dr. Jean Charcot. Sciences naturelles, documents scientifique. Masson et Cie, Paris, 41 pp.", "Mortensen, T. (1933) Echinoderms of South Africa (Asteroidea and Ophiuroidea). Videnskabelige Meddelelser fra Dansk naturhistorisk Forening i. Kobenhavn, 93, 215 - 400.", "Danielssen, D. C. & Koren, J. (1881) Fra den norske Nordhavsexpedition, Echinodermer. Nyt Magazin for Naturvidenskaberne, 26, 177 - 195.", "Hotchkiss, F. H. C. & Clark, A. M. (1976) Restriction of the family Poraniidae, sensu Spencer & Wright, 1966 (Echinodermata, Asteroidea). Bulletin of the British Museum of Natural History, 30 (6), 263 - 268.", "Clark, A. M. (1984) Notes on Atlantic and other Asteroidea. 4. Families Poraniidae and Asteropseidae. Bulletin of the British Museum of Natural History (Zoology), 47 (1), 19 - 51.", "Clark, A. M. & Downey, M. E. (1992) Starfishes of the Atlantic. Chapman and Hall, London, 820 pp.", "Perrier, E. (1879) Les Stellerides de Iile Saint - Paul. Archives du Zoologie Experimentale et Generale, 31, 47 - 49."]}