The Echinoid Directory

Conoclypeus conoideus Leske, 1778; Middle Eocene, East of Oasus Siuah, Libya; from Loriol (1883: pl. 2: figs 2-4) Internal view of oral surface (2), base of girdle (2a), and demipyramids (3, 3a-c, 4).

Length of fragment: 73 mm.

Loriol, P. d. 1883. Eozene Echinoideen aus Egypten und der lybischen Wuste Palaeontographica 30(2): 1-59.