The Echinoid Directory

Cidaris haussmanni Wissmann, 1841; St Cassian Beds, Carnian, Upper Triassic, St Cassian district, Italy. From Zardini, R. 1976. Fossili di Cortina: Atlane degli Echinodermi Cassiani Trias Medio superiore dell regione Dolomitica attorno a Xortina d'Ampezzo. Luglio, 29 pp, 22 pls. Various spines assigned to this species (at different magnifications).