Ichnogenus: Leptoptilostipus PAYROS, ASTIBIA, CEARRETA, PEREDA-SUBERBIOLA, MURELAGA & BADIOLA, 2000
Ichnospecies: sp
Locality: Rancho San Francisco locality, Coahuila State, Mexico.
Horizon: Las Encinas Formation.
Biostratigraphy:
Age: Uppermost Maastrichtian Stage, Late Senonian Subepoch, Late Guld Epoch, Late Cretaceous.
Material:
BENC 22/20-0018: 7 web-footed bird tracks as positive hyporelief.