Fig. 12From: Roveacrinida (Crinoidea) from Late Triassic (early Carnian) black shales of Southwest China Osteocrinus sinensis n. sp., Lower Xiaowa Formation, marlstone bed, Xiaowa Village. a Coprolite comprised of Osteocrinus remains, MHI 1879/1/6. b Three articulated secundibrachials with collapsed shaft near synostosial facet, small secundibrachials from distal parts of the arms; MHI 1879/1/11. Scales  1 mmBack to article page