Ostracoda
- Information on these segmented animals and their place in the fossil record.
- http://palaeo.gly.bris.ac.uk/Palaeofiles/Permian/ostracoda.html

Introduction to Ostracoda
- The Ostracod Research Group provides information on these small crustaceans, their morphology, anatomy and life cycle, with diagrams and a short movie.
- http://w3.gre.ac.uk/schools/nri/earth/ostracod/introduction.htm

Class Ostracoda
- Information on these small shrimps which form part of the marine plankton and are frequently found as fossils, with photographs of a number of these.
- http://www.gaultammonite.co.uk/Pages/Ostracoda/Albian_Ostracoda.htm

Kempf Database Ostracoda
- Indexes and bibliographies for living and fossil marine and nonmarine Ostracoda of the world.
- http://ostracoda-on.tripod.com/