Spiny Swamp Turtle? Acanthochelys sp.

Spiny-neck Swamp Turtle?
Spiny-neck Swamp Turtle?
Spiny-neck Swamp Turtle?
This freshwater terrapin from Southern America with spines on its neck is thought to be a Spiny Swamp Terrapin (Acanthochelys species).
Spiny-neck Swamp Turtle?
Spiny-neck Swamp Turtle?
Spiny-neck Swamp Turtle?
The first two above look a little like the Black Spiny-necked Swamp Terrapin (Acanthochelys spixii) with a paler shell but the others look reminiscent of the Asian box turtles.