Tyrannosaurus rex

Will Klein

The Academy of Natural Sciences of Drexel University, Philadelphia

Mike Servedio/ANS

The Natural History of Carolina, Florida and the Bahama Islands

Mark Catesby

Xiphactinus audax

Histoire Naturelle, Générale et Particulière

Georges Louis Leclerc, Comte de Buffon

Deinonychus antirrhopus

Will Klein

The Viviparous Quadrupeds of North America

John James Audubon

Chasmosaurus belli

Will Klein

The Naturalists' Miscellany, or Coloured Figures of Natural Objects

George Shaw

Fishes in a Pan

Mark Sabaj Perez/ANS

Triceratium castillatum var. fasta

Marina Potapova

Hadrosaurus foulkii in 1876

Academy of Natural Sciences of Drexel University Archives Coll. 49

Teramachi’s Slit Shell, Bayerotrochus teramachii

Paul Callomon/ANS

Planothidium sp.

Nina Desianti

Atlantic Thorny Oyster, Spondylus americanus Hermann

Paul Callomon/ANS

Argonaut, Argonauta argo

Paul Callomon/ANS

Didymosphenia geminata

Eduardo Morales

American conchology, or Descriptions of the Shells of North America

Thomas Say

Histoire Naturelle, Générale et Particulière

Georges Louis Leclerc, Comte de Buffon

Kryptoglanis shajii