basis of recordClark, 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 sourceClark, A. M.; Courtman-Stock, J. (1976). The echinoderms of southern Africa. Publ. No. 766. British Museum (Nat. Hist), London. 277 pp.[details]
new combination referenceClark, A. H. (1921). A monographs of the existing crinoides. The comatulids Pt. 2. <em>Bulletin of the United States National Museum.</em> 82(1): 1-795,57plates., available online athttps://www.biodiversitylibrary.org/page/1051093[details]
Present Inaccurate Introduced: alien Containing type locality