Truc (1971) doubted the placement in Tropidomphalus and tentatively suggested classification "in a section of the ... [details]
Truc (1971) doubted the placement in Tropidomphalus and tentatively suggested classification "in a section of the ... [details]
"Vallon de ]'Ecotay, commune de Jujurieux (Ain)", France; Tortonian, late Miocene [details]
Villieu-Loyes-Mollon (Ravin de Mollon), Ain, France; Tortonian, late Miocene [details]