Genus Acanthothiris d’Orbigny, 1850

Type species: Hemithiris spinosa d’Orbigny, 1850 [= Anomia spinosa Linné, 1767]. Stratigraphic distribution: Aalenian to Callovian (Middle Jurassic).

Geographic distribution: England, France, Germany, Switzerland, Poland, Romania, Bulgaria, Slovakia, Crimea, Caucasus, Morocco, Afghanistan, Pamir.

MIN

Acanthothiris spinosa (Linné, 1767) Locality: Sully, Bayeux, Normandy, France Stratigraphy: Middle Jurassic