| Perea D., Ubilla M., et al (1996) First Fossil Record (Late Miocene) of Phrynops(P. geoffroanus Complex: Chelidae) from Uruguay: Biostratigraphical and Paleoenvironmental Context, Copeia 1996 2, 445-451 |
| van Dijk P. P., Iverson J. B., et al (2014) Turtles of the World, 7th edition: annotated checklist of taxonomy, synonymy, distribution with maps, and conservation status, Chelonian Research Monographs 5, 329-479 |
| Turtle Taxonomy Working Group [van Dijk, P. P., J. Iverson, A. Rhodin, H. Shaffer, and R. Bour], 2014: Turtles of the World, 7th Edition: Annotated Checklist of Taxonomy, Synonymy, Distribution with maps, and Conservation Status. Chelonian Research Monographs, no. 5, v. 7. 329-479. - via Integrated Taxonomic Information System (ITIS) |
| Baldo, D.; Martinez, P.; Boeris, J.M. & Giraudo, A.R. (2007) Reptilia, Chelonii, Chelidae, Phrynops geoffroanus Schweigger, 1812 and Mesoclemmys vanderhaegei (Bour, 1973): Distribution extension, new country record, and new province records in Argentina.: Check List 3 (4): 348-352 - via Catalogue of Life |
| CATENAZZI, A., LEHR, E. & VON MAY, R. (2013) The amphibians and reptiles of Manu National Park and its buffer zone, Amazon basin and eastern slopes of the Andes, Peru.: Biota Neotrop. 13(4): 269-283 - via Catalogue of Life |
| Cajade, Rodrigo; Marangoni, Federico; Piñeiro, José Miguel; Álvarez, Blanca Beatríz (2014) Confirmación de la presencia de Phrynops geoffroanus (Schweigger, 1812) (Testudines, Chelidae) en la provincia de Misiones, Argentina: Cuad. Herpetol. 28: - via Catalogue of Life |
| McCord, W. P., Joseph-Ouni, M.i & W. W. Lamar (2001) A taxonomic reevaluation of Phrynops (Testudines: Chelidae) with the description of two new genera and a new species of Batrachemys.: Revista de Biologia Tropical 49 (2): 715-764 - via Catalogue of Life |
| Novelli, Iara Alves, Bernadete Maria De Sousa, Sueli de Souza Lima and Fabiano Matos Vieira. (2013) Phrynops geoffroanus (Geoffroy's side-necked turtle) endoparasite.: Herpetological Review 44 (2): 308 - via Catalogue of Life |
| Oliveira-Ferronato, Bruno de; Carlos Ignacio Piña, Freddy Cochachez Molina, Renato A. Espinosa, and Víctor R. Morales (2013) Feeding Habits of Amazonian Freshwater Turtles (Podocnemididae and Chelidae) from Peru.: Chelonian Conservation and Biology Jul 2013, Vol. 12, No. 1: 119-126. - via Catalogue of Life |
| Philippen, H. - D. (2012) Phrynops. Die Gattung der Krötenkopfschildkröten.: Reptilia (Münster) 17 (98): 42-48 - via Catalogue of Life |
| Ávila, R.W.; R.A. Kawashita-Ribeiro. (2011) Herpetofauna of São João da Barra Hydroelectric Plant, state of Mato Grosso, Brazil.: Check List 7 (6): 750-755 - via Catalogue of Life |
| Barros Molina, Flavio de (1996) Mating behavior of captive Geoffroy's side-necked turtles, Phrynops geoffroanus (Testudines: Chelidae).: Herpetological Natural History 4 (2): 155-160 - via Catalogue of Life |
| Bohls, J. (1895) Bermerkung zur Eintheilung der Chelydidae.: Zool. Anz. 18: 51-53 - via Catalogue of Life |
| Bonin, F., Devaux, B. & Dupré, A. (2006) Turtles of the World. English translation by P.C.H. Pritchard.: Johns Hopkins University Press, 416 pp. - via Catalogue of Life |
| Boulenger, G.A. (1889) Catalogue of the Chelonians, Rhynchocephalians, and Crocodiles in the British Museum (Natural History).: British Museum, London, 311 pp. - via Catalogue of Life |
| Duméril, A.M.C., and G. Bibron. (1835) Erpétologie Générale ou Histoire Naturelle Complète des Reptiles, Vol. 2.: Librairie Encyclopédique de Roret, Paris, iv + 680 p. - via Catalogue of Life |
| Ferronato, B. et al. (2011) New locality records for chelonians (Testudines: Chelidae, Podocnemididae, Testudinidae) from Departamento de Pasco, Peru.: Herpetology Notes 4: 219-224 - via Catalogue of Life |
| Schweigger, A.F. (1812) Prodromus Monographia Cheloniorum auctore Schweigger.: Königsberg. Arch. Naturwiss. Mathem., 1: 271-368, 406-458. - via Catalogue of Life |
| Souza, Franco L. (2004) Uma revisão sobre padrões de atividade, reprodução e alimentação de cágados brasileiros (Testudines, Chelidae) [A review on activity patterns, reproduction, and feeding habits in Brazilian chelid turtles (Testudines, Chelidae)].: Phyllomedusa 3 (1): 15-28 - via Catalogue of Life |
| Spix, J.B. and J.G. Wagler (1824) Herpetology of Brazil.: Facsimile Reprints in Herpetology, Society for the Study of Amphibians and Reptiles. 400 pp. - via Catalogue of Life |
| Iverson, John B., 1992: null. A Revised Checklist with Distribution Maps of the Turtles of the World. xiii + 363. - via Integrated Taxonomic Information System (ITIS) |
| Cisneros-Heredia, D.F. (2006) Turtles of the Tiputini Biodiversity Station with remarks on the diversity and distribution of the Testudines from Ecuador.: Biota Neotrop. 6 (1): 1-16 - via Catalogue of Life |
| Ferronato, B.O. et al. (2009) Oral bacterial microbiota and traumatic injuries of free-ranging Phrynops geoffroanus (Testudines, Chelidae) in southeastern Brazil.: Phyllomedusa 8 (1): 19-26 - via Catalogue of Life |
| Gaffney, Eugene S. (1977) The side-necked turtle family Chelidae: a theory of relationships using shared derived characters.: American Museum Novitates (2620): 1-28 - via Catalogue of Life |
| Grychta, U. & R. Grychta (1995) Phrynops geoffroanus (Schweigger, 1812) - Haltung und Zucht der Dunklen Kro¨tenkopfschildkro¨ten.: Sauria 17 (1): 11-13 - via Catalogue of Life |
| Luederwaldt, H. (1926) Os chelonios brasilieros com a lista das espécies do Museu Paulista.: Rev. Mus. Paulista, Sao Paulo 14:408-468 - via Catalogue of Life |
| Mertens, R. (1967) Bemerkenswerte Süßwasserschildkröten aus Brasilien.: Senckenbergiana Biologica 48 (1): 71-82 - via Catalogue of Life |
| RIBAS, E. R. ; MONTEIRO FILHO, Emygdio Leite de Araujo (2002) Distribution and Habitat of the Freshwater Turtles (Testudines, Chelidae) from State of Paraná – Brasil.: Biociências (Porto Alegre) 10 (2): 15-32 - via Catalogue of Life |
| Rodrigues, M.T. (2003) Herpetofauna da Caatinga. In: I.R. Leal, M. Tabarelli & J.M.C. Silva (eds.). Ecologia e conservação da Caatinga, pp. 181-236.: Editora Universitária, Universidade Federal de Pernambuco, Recife, Brasil. - via Catalogue of Life |
| Santos, D.L.; S.P. Andrade; E.P. Victor-Jr.; W. Vaz-Silva (2014) Amphibians and reptiles from southeastern Goiás, Central Brazil.: Check List 10 (1): 131-148 - via Catalogue of Life |
| Boulenger, G.A. (1886) A synopsis of the reptiles and batrachians of the province Rio Grande do Sul, Brazil.: Ann. Mag. nat. Hist. (5) 18: 423-445 - via Catalogue of Life |
| Bour, R. (2008) Types of three species of sideneck turtle belonging to the genus Phrynops Wagler, 1830: Emys geoffroana Schweigger, 1812, Platemys hilarii Duméril & Bibron, 1835, and Platemys waglerii Duméril & Bibron, 1835.: Emys 15 (2):35-41 - via Catalogue of Life |
| Bour, R. & Zaher, H. (2005) A NEW SPECIES OF MESOCLEMMYS, FROM THE OPEN FORMATIONS OF NORTHEASTERN BRAZIL (CHELONII, CHELIDAE).: Pap. Avul. Zool. 45 (24): 295-311 - via Catalogue of Life |
| Gorzula, Stefan & Senaris, J. Celsa (1999) In: Contribution to the herpetofauna of the Venezuelan Guayana. I: a data base.: Scientia Guaianae, Caracas, No. 8 [1998], 269+ pp.; ISBN 980-6020-48-0 - via Catalogue of Life |
| Schneider, Larissa; Camila R. Ferrara, Richard C. Vogt, and Alessandro Valdez Guilhon (2011) Nesting Ecology and Nest Predation of Phrynops geoffroanus (Testudines, Chelidae) in the Guaporé River of the Brazilian and Bolivian Amazon.: Chelonian Conservation and Biology Dec 2011, Vol. 10, No. 2: 206-212. - via Catalogue of Life |
| Souza, Franco Leandro; Josué Raizer, Higor Thiago Moreira da Costa, and Fernando Ibanez Martins (2008) Dispersal of Phrynops geoffroanus (Chelidae) in an Urban River in Central Brazil.: Chelonian Conservation and Biology 7(2): 257 - via Catalogue of Life |
Phrynops geoffroanus
