Cancellaria Biplicifera
Facsimile
Transcription
Status: Complete
Cancellaria biplicifera, Conrad,
Jour Ac. Nat Sc Vol 8 p 187
Turrited, with thick longitudinal
ribs, & spiral rather distant impressed
lines; on the body whorl an occasional
fine line ; space below the suture
widely & deeply channelled; shoulder
coronated; umbilicus small ; columella
concave & with two plaits - H. 1.5-
Tertiary
Calvert Cliff, Maryland
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