= cf. Muzquizopteryx sp FREY, ELGIN, STINNESBECK, PADILLA-GUTIERREZ, IFRIM, GIERSCH, GONZALEZ-GONZALEZ, 2012
Locality: El Rosario Quarry or La Carranza Quarry, Muzquiz County, Coahuila State, Mexico.
Horizon: Lower part of the Yellow Member, El Rosario section, Austin Group.
Biostratigraphy:
Age: Late Turonian Stage, Uppermost Gallic Subepoch, Lower Gulf Epoch, Late Cretaceous.
Material:
MUDE CPC-494: Humerus, fragmentary radius and ulna, metacarpal IV, fragmentary
wing phalax 1, pteroid, and femur/tibia fragments (?).