Family Trionychidae
- Description:
- Up to 18" carapace length. Carapace olive, brown, or grayish, with dark spots in younger individuals. Shell flattened and covered with soft, leathery skin. Snout long and rounded; lips fleshy.
- Elevation Range:
- Below 5500' in eastern Colorado.
- Subspecies in Colorado:
- Apalone spinifera hartwegi
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Photo from Hammerson, 1986. Used with permission.
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