Fig. 5
From: Triassic: the crucial period of post-Palaeozoic crinoid diversification
Holocrinida and Isocrinida cups. a Holocrinus dubius, infrabasal circle, from lateral, radial circle with facets directed upward, Lower Muschelkalk, Jena Formation, Rittersdorf (Thuringia, Germany), scale 1 mm, MHI 1175/1. b Singularocrinus sp., large basals in lateral contact, radial facets directed outward, Hanwang Formation, Hanwang (China), scale 5 mm, MHI 1603/1/1, 1603/1/7. c “Isocrinus” propinquus, small basals not in lateral contact, large radial facets directed outward, Cassian Formation, Forcella di Giau (Dolomites, Italy), scale 1 mm, MHI 2050/1