REFERENCES
- Boulenger , G. A. 1889 . Catalogue of the Chelonians, Rhynchocephalians and Crocodiles in the British Museum (NaturalHistory), London,+ 311 pp., 73 figs., 6 pls
- Dacque , E. 1912 . Die Fossilen Schildkröten Aegyptens . Geol. Palaeont. Abh , 10 ( 4 ) : 275 – 337 . (n.s.)
- Gaffney , E. S. 1975 . A revision of the side-necked turtle Taphrosphys sulcatus Leidy from the Cretaceous of New Jersey . Am Mus. Novit , 2571 : 1 – 19 .
- Schmidt , K. P. 1940 . A new turtle of the genus Podocnemis from the Cretaceous of Arkansas . Field Mus. Nat. Hist. Pub., Geol. Ser , 1 : 1 – 12 . figs.1–5
- Wermuth , H. and Mertens , R. 1961 . Schildkröten, Krokodile, Brückenechsen 422 Jena : Fisher . G. xxvi
- Zangerl , R. 1947 . Redescription of Taphrosphys olssoni, a fossil turtle from Peru . Fieldiana, Geol , 2 : 1 – 12 .
- Zangerl , R. 1948 . The vertebrate fauna of the Selma Formation of Alabama. Pt. II: The pleurodiran turtles . Fieldiana, Geol , 3 : 23 – 56 . 1 pl