The Echinoid Directory

Anaulocidaris buchi (Munster, 1843); BMNH E9359 (figured by Bather 1909, pl. 10, figs 253-255). St Cassian Formation, Carnian, Middle Triassic, St Cassian, Italy.  Primary spine in plan, lateral and oral views.

Width (maximum) of spine 8 mm.