Vanikoroidea Gray 1840

In this inside view the apex can be seen to be well behind the center, near the bottom of the picture. The head of the animal would be in the gap of the C-shaped scar. Photo by Dave Cowles, July 2007

Hipponix cranioides shell from Hobuck Beach on open coast. Anterior is to the upper right in this view. (Photo by: Dave Cowles, July 2007)