WoRMS taxon details
Petasometra AH Clark, 1912
marine, brackish, fresh, terrestrial
Clark, A. H. (1912). The crinoids of the Natural History Museum at Hamburg. <i>Smithsonian Miscellaneous Collections</i> 60(10):1-33. [details]
Messing, C.; Gondim, A.I.; Markello, K.; Poatskievick Pierezan, B.; Taylor, K.; Eléaume, M. (2025). World List of Crinoidea. Petasometra AH Clark, 1912. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=711336 on 2025-04-12
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Nomenclature
original description
Clark, A. H. (1912). The crinoids of the Natural History Museum at Hamburg. <i>Smithsonian Miscellaneous Collections</i> 60(10):1-33. [details]
basis of record Clark, A. H. (1947) A monograph of the existing crinoids. 1(4b). <i>Bulletin of the United States National Museum</i> 82:1-473, 43 pls. [details]
basis of record Clark, A. H. (1947) A monograph of the existing crinoids. 1(4b). <i>Bulletin of the United States National Museum</i> 82:1-473, 43 pls. [details]
Other
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]
Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Diagnosis Colobometridae having aboral transverse ridge on proximal cirrals, becoming median spine distally; arms 10-22; brachitaxes distal to primibrachials of 4 ossicles. First interior pinnule absent; first and second exterior pinnules similar. [details]
