Mexican clam shrimp
- kingdom: Animalia
- phylum: Arthropoda
- class: Branchiopoda
- order: Diplostraca
- family: Cyzicidae
- genus: Cyzicus
- species: Cyzicus mexicanus
- Cabin John
Maryland- Falls Church
- Jefferson
- Lake Barcroft
- Seven Corners
Virginia- Petersburg
West Virginia
United States