WoRMS taxon details

Thalassocrinus AH Clark, 1911

391353  (urn:lsid:marinespecies.org:taxname:391353)

accepted
Genus
marine
Clark AH (1911) <i>Thalassocrinus</i>, a new genus of stalked crinoids from the East Indies. <i>Proceedings of the U.S. National Museum</i> 39:473–476. [details]   
Messing, C. (2019). World List of Crinoidea. Thalassocrinus AH Clark, 1911. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=391353 on 2019-03-21
Date
action
by
2009-04-15 09:48:17Z
created
2013-01-02 22:02:33Z
changed

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original description Clark AH (1911) <i>Thalassocrinus</i>, a new genus of stalked crinoids from the East Indies. <i>Proceedings of the U.S. National Museum</i> 39:473–476. [details]   

basis of record Hess H. (2011). Hyocrinida. <em>In: Hess H, Messing CG, Ausich WI (Eds.), Treatise on Invertebrate Paleontology, Part T, Echinodermata 2 Revised, Crinoidea, vol. 3. University of Kansas Press, Lawrence, Kansas.</em> 172–179. [details]   
 
 Present  Inaccurate  Introduced: alien  Containing type locality 
From editor or global species database
Diagnosis Hyocrinidae with basals 3 or fused. The most frequent proximal arm pattern with second nonmuscular articulation between brachials 4 and 5, third synostosis between brachials 6 and 7, no series of 3 or more brachials united by synostoses before brachial 10. (In middle part of arm of T. pontifer, muscular articulations regularly follow pair of brachials joined by synostosis). First pinnule on brachial 5; each pinnular with 2 to 2.5 pairs of cover plates. Well-developed oral and anal cones. Number of tegminal plates >10 in each interradius. Proximal columnals hexagonal or hexalobate, columnals of mesistele hexagonal. Symplexies with 6-7 crenular units of 1-3 crenulae each. [details]

From other sources
Habitat Known from seamounts and knolls [details]