Phrynops hilarii
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Subphylum: Vertebrata
Class: Reptilia
Order: Testudines
Suborder: Pleurodira
Family: Chelidae
Subfamily: Chelinae
Genus: Phrynops
Wagler, 1830[1]
  • Phrynops Wagler, 1830[1]
  • Spatulemys Gray, 1872[3]
  • Parahydraspis Wieland, 1923[4]

Sometimes called the bearded toadheads but better known by their scientific name of Phrynops this genus of turtles has often been a bit of a dumping ground for the short-necked South American turtles of the family Chelidae.

The genus is widely distributed in South America found in the Orinoco to Amazon and São Francisco to Paraná and adjacent river basins of Colombia, Venezuela, the Guianas, Brazil, Paraguay, Uruguay and northeastern Argentina (Iverson, 1992).[5]


Listed alphabetically by specific name.[6]


  1. 1 2 Wagler, J. 1830. Natürliches System der Amphibien, mit vorangehender Classification der Säugthiere und Vögel. Ein Beitrag zur vergleichenden Zoologie. Munich, Stuttgart, and Tübingen: J.G. Cotta. vi + 354 pp. + 9 plates. (in German and Latin).
  2. Turtle Taxonomy Working Group [van Dijk, P.P., Iverson, J.B., Rhodin, A.G.J., Shaffer, H.B., and Bour, R.]. 2014. Turtles of the world, 7th edition: annotated checklist of taxonomy, synonymy, distribution with maps, and conservation status. In: Rhodin, A.G.J., Pritchard, P.C.H., van Dijk, P.P., Saumure, R.A., Buhlmann, K.A., Iverson, J.B., and Mittermeier, R.A. (Eds.). Conservation Biology of Freshwater Turtles and Tortoises: A Compilation Project of the IUCN/SSC Tortoise and Freshwater Turtle Specialist Group. Chelonian Research Monographs 5(7):000.329–479, doi:10.3854/ crm.5.000.checklist.v7.2014.
  3. Gray, J.E. 1872. On Spatulemys Lasalæ, a new genus of Hydraspidæ from Rio Parana, Corrientes. Annals and Magazine of Natural History, Fourth Series 10: 463.
  4. Wieland, George R. 1923. A new Paraná pleurodiran. American Journal of Science, Series 5, 5 : 1–14.
  5. lverson, J.B. 1992. Revised Checklist with Distribution Maps of the Turtles of the World. Richmond, Indiana: Privately Printed. 363 pp.
  6. Phrynops, The Reptile Database
  7. Schweigger, Augustus F. 1812. "Prodromus monographiae Cheloniorum ". Königsberger Archiv für Naturwissenschaft und Mathematik 1 :271–368, 406–462.
  8. Duméril, André Marie Constant, and Bibron, Gabriel. 1835. Erpétologie Générale ou Histoire Naturelle Complète des Reptiles. Tome Second. Paris: Roret. 680 pp.
  9. Peters, Wilhem Carl Hartwig. 1870. "Über Platemys tuberosa, eine neue Art von Schildkröte aus British-Guiana ". Monatsber. königl. Akad. Wiss. Berlin. 1870 (Mai): 311-313.
  10. Rhodin, Anders G.J., and Mittermeier, Russell A. 1983. Description of Phrynops williamsi, a new species of chelid turtle of the South American P. geoffroanus complex. pp. 58-73. In: Rhodin, A.G.J., and Miyata, K. (Editors). 1983. Advances in Herpetology and Evolutionary Biology. Essays in Honor of Ernest E. Williams. Cambridge, Massachusetts: Museum of Comparative Zoology.
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