Asociación Paleontológica Argentina
Professional organization for paleontologists, based in Argentina; publishes Ameghiniana.
European Association of Vertebrate Palaeontologisits
A forum for European palaeontologists. Site contains information about the journal Oryctos, conferences, sponsored research, and student funding opportunities.
Paläontologische Gesellschaft
Professional organization for German-speaking paleontologists; publishes Paläontologische Zeitschrift.
Society of Vertebrate Paleontology
Professional, international organization for VPs, publishes the Journal of Vertebrate Paleontology.
Southern California Paleontological Society
Amateur collectors group in the LA area.
The Palaeontological Association
Professional organization for paleontologists (both vertebrate and invertebrate), publishes Palaeontology.