Preview
Accession Number
PEH.331P.A.a
Geological Time Period
Cretaceous
Kingdom
Animalia
Phylum
Mollusca
Class
Cephalopoda
Order
Ammonitida
Family
Placenticeratidae
Genus
Placenticeras sp.
Formation
Bearpaw Shale
Physical Characteristics
Medium sized ammonite that is very smooth and round. The outside is covered with leaf shapes, known as ammonitic sutures.
Description
Rosebud County, Montana
Number of Pieces
1
Measurements (cm.)
15
Ursinus Acquisition Date
9-14-2007
Donor
Dr. E Lee Porter (funds)
Purchased From
Bey’s Rock Shop Boyertown, PA 19512
