ammonites
Volviceramus exogyroides Meek and Hayden 1862

Bivalvia - Myalinida - Inoceramidae

Alternative combination: Inoceramus exogyroides

Belongs to Volviceramus according to I. Walaszczyk and W. A. Cobban 2006

Sister taxon: Volviceramus involutus