Phrynops hilarii

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Phrynops hilarii
Phrynops hilarii 2.jpg
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Subphylum: Vertebrata
Class: Reptilia
Order: Testudines
Suborder: Pleurodira
Family: Chelidae
Subfamily: Chelinae
Genus: Phrynops
Species: P. hilarii
Binomial name
Phrynops hilarii
(A.M.C. Duméril & Bibron, 1835)[1]
  • Platemys hilarii
    A.M.C. Duméril & Bibron, 1835
  • Hydraspis hilairii [sic]
    Gray, 1844 (ex errore)
  • Hydraspis hilarii
    — Gray, 1856
  • Spatulemys lasalae
    Gray, 1872
  • Hydraspis hilari [sic]
    Koslowsky, 1898 (ex errore)
  • Hydraspis geoffroyanus hilarii
    Siebenrock, 1905
  • Phrynops hilarii
    Stejneger, 1909
  • Phrynops geoffroana hilarii
    L. Müller, 1939
  • Phrynops geoffroanus hilarii
    Wermuth & Mertens, 1961
  • Hydraspis hilairi [sic]
    Pritchard, 1967 (ex errore)
  • Phrynops hilari
    — Goode, 1967

Phrynops hilarii, commonly known as Hilaire’s toadhead turtle or Hilaire’s side-necked turtle, is a species of turtle endemic to South America.


The specific name, hilarii, is in honor of French zoologist Isidore Geoffroy Saint-Hilaire.[4]

Geographic range[edit]

P. hilarii is found in southern Brazil (Santa Catarina and Rio Grande do Sul) southward and westward into Uruguay and Argentina; possibly also in Paraguay and Bolivia.


  1. ^ Duméril, André Marie Constant; Bibron, Gabriel. 1835. Erpétologie Générale ou Histoire Naturelle Complète des Reptiles. Tome Second. Paris: Roret. 680 pp. (Platemys hilarii, new species, pp. 428-430).
  2. ^ Fritz, Uwe; Havaš, Peter (2007). "Checklist of Chelonians of the World". Vertebrate Zoology. 57 (2): 341. ISSN 1864-5755. Archived from the original (PDF) on 2010-12-17. Retrieved 29 May 2012. 
  3. ^ van Dijk, Peter Paul, John B. Iverson, H. Bradley Shaffer, Roger Bour, and Anders G.J. Rhodin. 2012. Turtles of the World, 2012 Update: Annotated Checklist of Taxonomy, Synonymy, Distribution, and Conservation Status. Chelonian Research Monographs No. 5, pp. 000.243–000.328.
  4. ^ Beolens, Bo; Watkins, Michael; Grayson, Michael. 2011. The Eponym Dictionary of Reptiles. Baltimore: Johns Hopkins University Press. xiii + 296 pp. ISBN 978-1-4214-0135-5. (Phrynops hilarii, p. 123).

Further reading[edit]

  • Boulenger, George Albert. 1889. Catalogue of the Chelonians, Rhynchocephalians, and Crocodiles in the British Museum (Natural History). New Edition. London: Trustees of the British Museum (Natural History). (Taylor and Francis, printers). x + 311 pp. + Plates I-III. (Hydraspis hilarii: p. 220, figure 59, three views of skull; p. 221, figure 60, carapace and plastron; p. 222, species description).

External links[edit]