Cancellaria Lunata

Cancellaria lunata, Conrad,
Jour. Ac. Nat Sc. Vol 6 p 222 pl 9 fig 4

Shell turrited, with longi=
=tudinal oblique ribs ; transversely
sulcated; whorls of the spire
narrowed at the base & flattened
on the summit; apex acute;
the right lip regularly toothed
within ; columella with three
plaits, the upper one larger &
distant, and the last plait
uniting with the base of the
columella ; aperture lunate.

H 0.8 - D 0.4

Tertiary

St Marys river, Maryland.
Medial Tertiary, Nat. Well N. Car.