Noun: Trionyx spiniferus
- River turtle of western United States with a warty shell; prefers quiet water
"The Trionyx spiniferus buried itself in the muddy river bottom";
- spiny softshell
Type of: softshell, softshell turtle, soft-shelled turtle
Part of: genus Trionyx, Trionyx
Encyclopedia: Trionyx spiniferus