Yochelcionelloidea


Yochelcionelloidea is an extinct superfamily of paleozoic molluscs of uncertain position. The earliest yochelcionellids are known from the Middle Tommotian, but they are most diverse from the Botomian through the early Middle Cambrian.

2005 taxonomy

The taxonomy of the Gastropoda by Bouchet & Rocroi, 2005:
Yochelcionelloidea

2006-2007 taxonomy

According to the opinion of P. Yu. Parkhaev is in the class Helcionelloida, subclass Archaeobranchia Parkhaev, 2001, Order Helcionelliformes Golikov & Starobogatov, 1975: