original description
Clark, A. H. (1907). New genera of recent free crinoids. <em>Smithsonian Miscellaneous Collection.</em> 50(29): 343-364., available online at https://www.biodiversitylibrary.org/page/30049299 [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]
Present
Inaccurate
Introduced: alien
Containing type locality
From editor or global species database
Diagnosis Perometrinae with proximal brachials not laterally flattened, with tuberculate margins. Disk naked. First interior pinnule present. [details]