Association of Applied Paleontological Sciences - A professional association of commercial fossil dealers collectors and fossil enthusiasts.

Bibliography of Fossil Vertebrates - The BFV Online - A computerized database for research in evolutionary paleoecology.

NSS Paleontology Section - National Speleological Society organization for cavers interested in paleontology.

Paleontological Research Institute (PRI) - PRI's website includes a number of educational sections. The society publishes "American Paleontologist" and is located in Ithica New York.

Paleontological Society - International organization devoted exclusively to the advancement of the science of paleontology through the dissemination of research by publication and meetings.

SEPM - Society for sedimentary geology.

The Paleobiological Fund - Paleobiological and paleontological research and education funding.

Western Interior Paleontological Society (WIPS) - Society has monthly meetings organized activities and field trips.

Willi Hennig Society - Society of cladisticians publishes the journal "Cladistics"