The Echinoid Directory

Leurocidaris montanaro (Zardini, 1973); Late Triassic, Carnian, of St Cassian, Italy. From Kier, P.M. 1977. Triassic echinoids. Smithsonian Contributions to Paleobiology 30, 1-88 (Pl. 13, fig. 2). Lateral view; detail.

Diameter of test approximately 10 mm.