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Definition of Spiny softshell
1. Noun. River turtle of western United States with a warty shell; prefers quiet water. 
Exact synonyms: Trionyx Spiniferus
Generic synonyms: Pancake Turtle, Soft-shelled Turtle
Group relationships: Genus Trionyx, Trionyx
Generic synonyms: Pancake Turtle, Soft-shelled Turtle
Group relationships: Genus Trionyx, Trionyx



