Discolocrinus Mironov 2008

Genus Discolocrinus Mironov, 2008 Discolocrinus thieli Mironov, 2008: 146; Hess, 2011: T 154. Type species of the genus: Discolocrinus thieli Mironov, 2008. Emended diagnosis. Calyx conical or slightly funnel-shaped. IBr 1 and IBr 2 elongated, much longer than calyx, with inner knobby processes. Expanded proximal region of IBr 1 in contact with that of adjacent IBr 1, whereas distal regions are separated. Tegmen high. Most frequent proximal arm pattern 1 +2,3+4,5+6,7 (D. theeli) or 1 +2,3,4+5,6,7+ 8,9, 10 (Discolocrinus iselini n. sp.); successive brachial pairs in median and distal arms. P 1 on Brs 10–14. Sutures between secundibrachs not oblique in dorsal view. Pinnules (as well as pinnularies) V-shaped in cross-section. Covering and side plates absent. Ambulacral tube feet with x-shaped plates. Proxistele composed of numerous low cylindrical columnals. Remarks. In D. thieli synarthries of distal columnals have irregular relief on fulcral ridge; distal stalk attachment by expanded terminal columnal with few short radicles. The mesistele and dististele not known in Discolocrinus iselini n. sp. Included species. Discolocrinus thieli Mironov, 2008 and Discolocrinus iselini n. sp.Published as part of Mironov, Alexandr N. & Pawson, David L., 2014, A new species of Western Atlantic sea lily in the family Bathycrinidae (Echinodermata: Crinoidea), with a discussion of relationships between crinoids with xenomorphic stalks, pp. 259-274 in Zootaxa 3873 (3) on page 260, DOI: 10.11646/zootaxa.3873.3.5, http://zenodo.org/record/22735