Hydromedusa

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For the hydrozoan Cnidaria called "Hydromedusa" or "Hydromedusae", see Anthomedusae.

Hydromedusa
Hydromedusa tectifera.jpg
Argentine snake-necked turtle,
Hydromedusa tectifera
Scientific classification edit
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Testudines
Suborder: Pleurodira
Family: Chelidae
Subfamily: Hydromedusinae
Genus: Hydromedusa
Wagler, 1830

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.

This genus contains the following species: