Ataenius cognatus
- kingdom: Animalia
- phylum: Arthropoda
- class: Insecta
- order: Coleoptera
- family: Aphodiidae
- genus: Ataenius
- species: Ataenius cognatus
- Añasco
- Las Marias
Añasco- Mayagüez
Mayaguez
Puerto Rico- Bloomington
Indiana- Saint Charles
Missouri- Laureles
- San Antonio
Texas
United States