Bipalponephtys cornuta
- kingdom: Animalia
- phylum: Annelida
- class: Polychaeta
- order: Phyllodocida
- family: Nephtyidae
- genus: Bipalponephtys
- species: Bipalponephtys cornuta
- Brisbane
- Capitola
- La Selva Beach
- Opal Cliffs
- Seacliff
- Twin Lakes
California
United States