Northeastern Spinytail Iguana
- kingdom: Animalia
- phylum: Chordata
- class: Reptilia
- order: Squamata
- family: Iguanidae
- genus: Ctenosaura
- species: Ctenosaura acanthura
Puerto Vallarta
Jalisco- Ciudad Valles
San Luis Potosí- Mazatlán
Sinaloa- Tampico
Tamaulipas
Mexico