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Amphibians and nonmarine turtles from the Miocene Calvert Formation of Delaware, Maryland, and Virginia (USA)
R. E. Weems, and R. A. George
2001
Article
Journal of Paleontology
87(4):570-588
Find it at:
http://dx.doi.org/10.1666/12-071
Taxa discussed in this work:
Chrysemys isoni
Notophthalmus robustus
Taxonomy:
Notophthalmus robustus
belongs to
Notophthalmus
- Estes (1963)
Notophthalmus
belongs to
Salamandridae
- Weems and George (2001)
Chrysemys isoni
belongs to
Chrysemys
- Weems and George (2001)