WoRMS taxon details
original description
Clark, A. H. (1908). New genera of unstalked crinoids. <em>Proceedings of the Biological Society of Washington.</em> 21:125-136. [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
Mah, C.L.; McKnight, D.G.; Eagle, M.K.; Pawson, D.L.; Améziane, N.; Vance, D.J.; Baker, A.N.; Clark, H.E.S.; Davey, N. (2009). Phylum Echinodermata: sea stars, brittle stars, sea urchins, sea cucumbers, sea lilies. In: Gordon, D.P. (Ed.) (2009). New Zealand inventory of biodiversity: 1. Kingdom Animalia: Radiata, Lophotrochozoa, Deuterostomia. pp. 371-400. [details]
From editor or global species database
Diagnosis Perometrinae with proximal brachials not laterally flattened, with tuberculate margins. Disk bearing rounded nodules. First interior pinnule usually absent. [details]
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