original description
Clark, A. H. (1909). New genera and higher groups of unstalked crinoids. <em>Proceedings of the Biological Society of Washington.</em> 22:173-178. [details]
basis of record
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
Rowe, F. W. E.; Gates, J. (1995). Echinodermata. <em>In: Wells, A.; Houston, W.W.K. (Ed.) Zoological catalogue of Australia, 33. CSIRO: Melbourne. ISBN 0-643-05696-3. XIII.</em> 510 pp. [details]
additional source
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]
additional source
Yulin L (1984) On the family Asterometridae (Crinoidea) of China, with a description of <i>Sinometra acuticirra</i> gen. et sp. nov. <i>Chinese Journal of Oceanology and Limnology</i> 2(1):109-117.
[details]
Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Diagnosis A genus of Asterometridae with proximal cirrals constricted with projecting distal margin commonly developed as adoral spine; proximal pinnules as long as or longer than distal
pinnules. As many as 30 arms. [details]