» Asociación Paleontológica Argentina    Professional organization for paleontologists, based in Argentina; publishes Ameghiniana.    http://www.apaleontologica.org.ar/

» Association of Australasian Palaeontologists    Professional organization for paleontologists based in Australia; publishes Alcheringa.    http://www.es.mq.edu.au/MUCEP/aap/index.htm

» Dinosaur Society    Member based charitable dinosaur society providing articles, pictures, links, and information on exhibitions and new discoveries.    http://www.dinosaursociety.com

» International Palaeontological Association    Professional organization promoting international cooperation in palaeo, publishes Lethaia.    http://ipa.geo.ku.edu/

» Society of Vertebrate Paleontology    Professional, international organization for VPs, publishes the Journal of Vertebrate Paleontology.    http://www.vertpaleo.org/

» Southern California Paleontological Society    Amateur collectors group in the LA area.    http://members.aol.com/scpaleo/

» The Palaeontological Association    Professional organization for paleontologists (both vertebrate and invertebrate), publishes Palaeontology.    http://www.palass.org/