Stephane Hyvernaud

from his collection:

Wateletia geoffroyi (Watelet, 1856); Cuisian, Ypresian, lower Eocene; Saint-Gobain, Aisne Department, France; 225 mm; Coll. Stephane Hyvernaud

Hippochrenes dewalquei (Deshayes, 1865); Cuisian, Ypresian, lower Eocene; Oise Department, France; Coll. Stephane Hyvernaud

Hippochrenes dewalquei (Deshayes, 1865); Cuisian, Ypresian, lower Eocene; Mercin, Aisne Department, France; 127 mm; Coll. Stephane Hyvernaud

Hippochrenes macroptera (Lamarck, 1803); Lutetian, middle Eocene; Vexin Normand, Eure Department, France; 129 mm; Coll. Stephane Hyvernaud

Hippochrenes murchisoni (Deshayes, 1865); Lutetian, middle Eocene; Paris basin, France; 100 mm; Coll. Stephane Hyvernaud

Hippochrenes fissura (Coquebert & Brongniart, 1793); Lutetian, middle Eocene; Paris basin, France; 75 mm; Coll. Stephane Hyvernaud

Hippochrenes fissura (Coquebert & Brongniart, 1793); Lutetian, middle Eocene; Vexin Normand, France; 80 mm; Coll. Stephane Hyvernaud

Hippochrenes amplus (Solander in Brander, 1766); Bartonian, middle Eocene; Highcliffe, Hampshire County, South East Region, England; 157 mm; Photo & Coll. Stephane Hyvernaud

Semiterebellum marceauxi (Deshayes, 1865); Thanetian, Paleocene; Cauroy-lès-Hermonville, Marne Department, France; 68 mm; Coll. Stephane Hyvernaud

Chedevillia mirabilis (Deshayes, 1865); Cuisian, Ypresian, lower Eocene; Saint-Gobain, Aisne Department, France; 33 mm; Coll. Stephane Hyvernaud

Chedevillia mirabilis (Deshayes, 1865); Cuisian, Ypresian, lower Eocene; Saint-Gobain, Aisne Department, France; 32 mm; Coll. Stephane Hyvernaud

Oostrombus auricularius Grateloup, 1834; Rupelian (Stampian), lower Oligocene; Gaas, Landes Department, France; 160 mm; Coll. Stephane Hyvernaud