WoRMS taxon details

Pentametrocrinidae AH Clark, 1908

123151  (urn:lsid:marinespecies.org:taxname:123151)

accepted
Family
Thaumatocrinidae Bather, 1899 (reversal of precedence (ICZN Art. 23.9))
Genus Pentametrocrinus AH Clark, 1908
Genus Thaumatocrinus Carpenter, 1883

Genus Decametrocrinus Minckert, 1905 accepted as Thaumatocrinus Carpenter, 1883 (synonym)
marine, brackish, fresh, terrestrial
Clark AH (1908) New genera of unstalked crinoids. <i>Proceedings of the Biological Society of Washington</i> 21:125-136. [details]   
Description A deep-sea family of Comatulida with the cirri consisting of very elongated segments, usually about four times as long as...  
Description A deep-sea family of Comatulida with the cirri consisting of very elongated segments, usually about four times as long as broad; no division seris, there being either five radials ond five simple arms, or ten radials and ten arms; the joint between the first two post-radial ossicles not a syzygy (this distinuishes Pentametrocrinus from the similarly five-armed Eudiocrinidae); oral pinnules without comb-like tips, all the pinnules rounded in cross-section and without conspicuous side and covering plates; sacculi present. Clark & Courtman-Stock, 1976 <554>. [details]
Messing, C. (2020). World List of Crinoidea. Pentametrocrinidae AH Clark, 1908. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=123151 on 2020-07-11
Date
action
by
2004-12-21 15:54:05Z
created
2007-10-10 11:56:07Z
changed
2011-02-23 10:48:32Z
changed
2012-10-24 00:54:53Z
changed

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original description Clark AH (1908) New genera of unstalked crinoids. <i>Proceedings of the Biological Society of Washington</i> 21:125-136. [details]   

original description  (of Thaumatocrinidae Bather, 1899) Bather FA (1899) A phylogenetic classification of the Pelmatozoa. <i>Report of the British Association for the Advancement of Science (1898)</i>:916–923, 1 fig. [details]   

basis of record Clark, A.H., Clark, A.M. (1967). A monograph of the existing crinoids. <em>Bulletin of the United States National Museum.</em> (82): 1-860. [details]   

additional source Hess H, Messing CG (2011) Comatulida. In: Hess H, Messing CG, Ausich WI. Treatise on Invertebrate Paleontology, Part T, Echinodermata 2 Revised, Crinoidea, vol. 3. University of Kansas Press, Lawrence, Kansas, pp. 70–146. [details]   

additional source Hess H, Messing CG, Ausich WI (2011) Treatise on Invertebrate Paleontology, Part T, Echinodermata 2 Revised, Crinoidea vol. 3. University of Kansas Press, Lawrence, Kansas. [details]   

additional source Hansson, H.G. (2001). Echinodermata, <B><I>in</I></B>: Costello, M.J. <i>et al.</i> (Ed.) (2001). <i>European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels,</i>. 50: pp. 336-351. (look up in IMIS[details]   

additional source Mortensen, Th. (1927). Handbook of the echinoderms of the British Isles. Humphrey Milford/Oxford University Press: London. IX, 471 pp. (look up in IMIS[details]   
From editor or global species database
Diagnosis Antedonoidea with five (Pentametrocrinus) or ten (Thaumetocrinus) undivided arms. Synarthry between brachials 1-2. Syzygy between brachials 4-5 and distally at variable intervals (2 to 13). First pinnule on brachial 2 or in most Pentametrocrinus on brachial 5. [details]

From other sources
Description A deep-sea family of Comatulida with the cirri consisting of very elongated segments, usually about four times as long as broad; no division seris, there being either five radials ond five simple arms, or ten radials and ten arms; the joint between the first two post-radial ossicles not a syzygy (this distinuishes Pentametrocrinus from the similarly five-armed Eudiocrinidae); oral pinnules without comb-like tips, all the pinnules rounded in cross-section and without conspicuous side and covering plates; sacculi present. Clark & Courtman-Stock, 1976 <554>. [details]
LanguageName 
Japanese イツウデウミシダ科  [details]