Invertebrate Paleontology

The Invertebrate Paleontology Collections at the Academy of Natural Sciences of Drexel University are the oldest in the United States and hold material collected and described by the earliest workers in American and British paleontology. The collection contains more than 5,000 lots of type material of more than 100 authors including Timothy A. Conrad, William M. Gabb, Henry C. Lea, Isaac Lea, Samuel G. Morton, Axel A. Olsson, Anne Harbison and Henry A. Pilsbry. Strengths of the collection are in Cenozoic and Cretaceous Mollusca of the New World, particularly the Atlantic and Gulf Coastal Plains; Quaternary Mollusca worldwide; and the Mesozoic of England. About 75% of the collection is molluscan fossils; total holdings are approximately 106,000 lots containing about 1,000,000 specimens.

Information on the type collection for the Invertebrate Paleontology Collection can be found at

Queries concerning the collection shoud be sent to:

Paul Callomon, Collections Manager
Malacology Department
Academy of Natural Sciences
1900 Benjamin Franklin Parkway
Philadelphia, PA 19103-1195