Tampico pearly mussel
- kingdom: Animalia
- phylum: Mollusca
- class: Bivalvia
- order: Unionida
- family: Unionidae
- genus: Cyrtonaias
- species: Cyrtonaias tampicoensis
Saucillo
Chihuahua- Tanquián Escobedo
San Luis Potosí
Mexico
Ballinger- Brady
- Cameron Park
- Cameron Park Colonia
- Castroville
- Comfort
- Eagle Lake
- Eagle Pass
- Elm Creek
- Granite Shoals
- La Coste
- La Joya
- Llano
- Los Indios
- Marble Falls
- Meadowlakes
- Menard
- Mercedes
- New Braunfels
- Paint Rock
- Penitas
- Rio Hondo
- Rollingwood
- Roma-Los Saenz
- Tilden
- Valley Mills
- Victoria
- Von Ormy
- West Lake Hills
Texas
United States