The Echinoid Directory

Paurocidaris rinbianchi (Zardini, 1973); holotype. Late Triassic, Carnian, of St Cassian, Italy. From Kier, P.M. 1977. Triassic echinoids. Smithsonian Contributions to Paleobiology 30, 1-88 (Pl. 11, fig. 10). Oral view.

Diameter of test 7.7 mm.