Genus: Muzquizopteryx FREY, BUCKY, STINNESBECK, GONZALEZ-GONZALEZ, & STEFANO, 2006
Etymology:

Species: coahuilensis FREY, BUCKY, STINNESBECK, GONZALEZ-GONZALEZ, & STEFANO, 2006
Etymology:

Holotype: UNAM IGM 8621

Locality: El Rosario Quarry, Muzquiz County, Coahuila State, Mexico.

Horizon: Austin Group.

Biostratigraphy:

Age: Coniacian Stage, lowest Senonian subepoch, lower Gulf Epoch, Early Late Cretaceous.

Material : Nearly complete specimen missing only the distal elements of the wing fingers and the rostral terminus of the cranium.
Note : Soft tissue around the radus and ulna complex and phosphatised muscle and tendon fibers are preserved.

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