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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.
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.
While most turtles have hard shells composed of scutes, the Florida softshell turtle has a cartilaginous carapace covered in leathery skin. Ranging from olive green to dark brown, it has the darkest coloration of all the softshell species that inhabit Florida (other species include Apalone mutica calvata and Apalone spinifera aspera). It is ...
The smooth softshell turtle (Apalone mutica) is a species of North American softshell turtle in the family Trionychidae.This freshwater species is endemic to the United States, where it inhabits the Mississippi River system, along with other adjoining waterways that empty into the Gulf of Mexico.
Apalone spinifera asper – Stubbs, 1989 Apalone spinifera aspera – Iverson, Meylan, Pritchard, Seidel & Ward, 1990 The Gulf Coast spiny softshell turtle ( Apalone spinifera aspera ), a subspecies in the Trionychidae family of softshell turtles , is endemic to the south-eastern United States.
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 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 .