Carettochelyidae

• Animal Diversity Web Family Carettochelyidae (Pignose Turtles)  - Provides information on species, morphology, phylogeny and distribution. With links.
• Carettochelys.com  - Contains extracts from a catalogue by Gray, JE.
• Digimorph Carettochelys  - Features appearance, distribution, origin, morphology and phylogeny. With images.
• Family Carettochelyidae (Pignose Turtles)  - Brief article looks at appearance, distribution, habitat, size, and food.
• IUCN Red List: Carettochelys insculpta  - Provides taxonomy, assessment, range, habitat, and threats.
• Molecular Evidence for Higher Relationships Among Turtles  - Presents data on phylogeny of major lineages of living turtles. With taxonomic tree.
• Phylogenetic Relationships of Soft-shelled Turtles  - Contains data and abstract on this article. By Meylan, Peter A.
• Pitted Shell Turtle Encyclopedia Britannica  - Overview and links to other encyclopedia entries.