Faunal and Floral Databases

American Society of Mammalogists: Mammal Species Accounts
Animal Diversity Web
Biodiversity Heritage Library
Friends of the UMMP Michigan Basin Specimen Database
Mammal Species of the World
MaNIS – Mammal Networked Information System
NOW – Neogene of the Old World
The Paleobiology Database – North American Fossil Mammal Systematics Database
Paleobiology Database Network
The Paleontology Portal
Society of Vertebrate Paleontology