Cancellaria Mississippiensis

Cancellaria Mississippiensis
Conrad, Pro. Ac. Nat. Sc. Vol 3 p 287.

Subovate ; whorls five or six,
turrited; ribs prominent, ten or eleven
or the large volution, one or two considerably
larger than the others; revolving lines
raised, distinct, alternated in size
on the lower half of the body whorl;
labium striated within; columella
concave, three-plaited.

H 0.5

Eocene Tertiary

Vicksburg Miss