FIGURE 2 in A revision of the unusual feather star genus Atopocrinus with a description of a new species (Echinodermata: Crinoidea)

FIGURE 2. Atopocrinus sibogae, holotype (NBC V.ECH.C. 2097). A–B. Two views of centrodorsal and bases of rays. C–D. Corresponding enlarged views of proximal portion of centrodorsal, ends of basals and (at top) portions of radial ossicles. E. Br7 syzygy; distal articular facet. * indicates end of one basal (=basal ray of A.H. Clark). Arrowheads indicate apparent sutures of A.H. Clark's (1915, p. 329) "reduced and laminar basals". Arrowheads correspond to arrows in Figure 1A. Photo credit 2E: J. Bleeker, NBC. Scale bars: 1 mm.