Annuliconcha spinosa Astafieva-Urbaitis, 1978
VRW-2, Planina pod Golico, the western Southern Karavanks.
Auernig Formation, upper (Gzhelian) part.
Storm event deposit (?) on a coastal to shallow marine ramp setting.
External mold of left valve.The specimen was lit in a way creating an impression of a convex shell exterior instead of its concave mold, and the image has been mirrored for proper results. Depicting a plaster cast would produce similar results. USMJ 849