Hydromedusa
Hydromedusa Temporal range: Paleocene-Recent ~62–0 Ma PreꞒ Ꞓ O S D C P T J K Pg N | |
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Argentine snake-necked turtle, Hydromedusa tectifera | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Reptilia |
Order: | Testudines |
Suborder: | Pleurodira |
Family: | Chelidae |
Subfamily: | Hydromedusinae |
Genus: | Hydromedusa Wagler 1830 |
Species | |
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Hydromedusa is a turtle genus in the family Chelidae, commonly known as the South American snake-necked turtles. They are quite closely related to the South American side-necked swamp turtles (Acanthochelys) and the snake-necked turtles of the Australian-Melanesian region (Chelodina), but less closely to the spine-necked river turtles of South America (Podocnemididae) which belong to a more modern lineage of Pleurodira.
Species
This genus contains the following extant[1] and fossil species:
- Brazilian snake-necked turtle, Cágado da Serra, Hydromedusa maximiliani
- Argentine snake-necked turtle, Cágado pescoço de cobra, Hydromedusa tectifera
- Hydromedusa casamayorensis De la Fuente & Bona 2002, Salamanca and Sarmiento Formations, Argentina
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- Kingdom: Animalia
- Phylum: Chordata
- Class: Reptilia
- Clade: Diapsida
- Order: Testudines
Superfamily |
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Chelonioidea (Sea turtles) |
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Kinosternoidea |
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Testudinoidea |
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Trionychia | |||||||||
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- Phylogenetic arrangement of turtles based on Turtles of the World 2017 Update: Annotated Checklist and Atlas of Taxonomy, Synonymy, Distribution, and Conservation Status. † = extinct.
- See also List of Testudines families
References
- ^ Gaffney, E. S. (May 10, 1977). "The side-necked turtle family Chelidae : a theory of relationships using shared derived characters. American Museum novitates ; no. 2620". Novitates. 2620. S2CID 73704639.
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Molina, F. J., & Leynaud, G. C. (2017). Thermoconformity strategy in the freshwater turtle Hydromedusa tectifera (Testudines, Chelidae) in its southern distribution area. Journal of Thermal Biology, 69, 178–183. https://doi.org/10.1016/j.jtherbio.2017.07.008