The Echinoid Directory

• Home
• Introduction
• Morphology
• Keys
• Classification
• 3D models
• Index to taxa
• Glossary
• Log in

Hemicidaris mantochensis Etallon, 1864: University of Lyon Palaeontological Collections EM40171 (Specimen illustrated under this name by Cotteau 12881. Paleontologie francaise Terrain Jurassique X1, Echinides regulier, pl. 312, fig. 8). Portlandian, Upper Jurassic, Mantoche, Haute Saone, France.  Oral view.

Diameter of test 23.2 mm.