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The spiny softshell turtle (Apalone spinifera) is a species of softshell turtle, one of the largest freshwater turtle species in North America.Both the common name, spiny softshell, and the specific name, spinifera (spine-bearing), refer to the spiny, cone-like projections on the leading edge of the carapace, which are not scutes (scales).
The northern spiny softshell turtle (Apalone spinifera spinifera) is a subspecies of soft-shelled turtle in the family Trionychidae.The subspecies is native to the United States and can be found from Montana at the western edge of its range to Vermont and Quebec on the eastern edge.
Apalone spinifera (Lesueur, 1827) – spiny softshell turtle - Canada (southern Ontario and Quebec), most of the United States, and northeastern Mexico. Nota bene : A binomial authority in parentheses indicates that the species was originally described in a genus other than Apalone .
Trionychidae is a family of turtle, commonly known as softshell turtles.The family was described by Leopold Fitzinger in 1826. Softshells include some of the world's largest freshwater turtles, though many can adapt to living in highly brackish waters.
Spiny softshell turtles have few natural predators including, large predatory fish, raccoons, herons, skunks, red foxes, and occasionally humans. Their nests are often destroyed by raccoons, skunks, and foxes. Young softshell turtles are eaten by raccoons, herons, and large fish; adults, on the other hand, are killed and eaten only by humans.
The Texas spiny softshell turtle (Apalone spinifera emoryi) is a subspecies of the spiny softshell turtle in the family Trionychidae. The subspecies is native to the southwestern United States and adjacent northeastern Mexico .
The Cuatro Ciénegas softshell (Apalone spinifera atra), also called the black spiny softshell, is a subspecies of the spiny softshell turtle in the family Trionychidae. It is found only in the Cuatro Ciénegas Basin in the Mexican state of Coahuila and it is considered critically endangered by the IUCN . [ 1 ]
The pallid spiny softshell turtle (Apalone spinifera pallida) is a subspecies of spiny softshell turtle native to the U.S. states of Arkansas, Oklahoma, Louisiana and Texas. [3] It was first described by Robert G. Webb in 1962.