Genus: Patagopteryx ALVARENGA & BONAPARTE, 1992
Etymology: Patagon, Spanish, in reference to Patagonia, the region of Argentina where the fossils were collected, meaning “big foot”, a term once applied to the Amerindian inhabitants of the area, and Greek, pteryx, "wing," femine.

Species: deferrariisi ALVARENGA & BONAPARTE, 1992
Etymology: In homage to Professor Oscar de Ferrariis, Director, Museo de Ciencias Naturales, Universidad Nacional del Comahue, who was responsible for the collection of the specimens.

Holotype: MACN-N 03

Locality: 200 m east of the buildings of the Universidad Nacional del Comahue, Northern area of Neuquen City, Neuquen Province, Patagonia, Argentina.

Horizon: Bajo de la Carpa Formation, Lower Rio Colorado Subgroup, Upper Neuquen Group.
(was Bajo de la Carpa Member, Rio Colorado Formation.)


Age: Coloradoan Tetrapoda Assemblage, Age: Santonian-Campanian Stage, Senonian Subepoch, Gulf Epoch, Late Cretaceous.

Material: Incomplete postcranial skeleton, consisting of 5 cervical vertebrae, 11 thoracic vertebrae, the synsacrum, 2 caudal vertebrae, and much of the pectoral and pelvic girdles, wings and hind-limbs.

Patagopteryx deferrariisi (after CHIAPPE, 2002), Holotype: MACN-N 03.

Referred material:

MACN-02: Fragmentary skeleton.


MACN-N-11: Fragmentary skull and fragmentary skeleton.

MACN-N-10, , MACN-N-14:

MUCPv-48: Fragmentary skeleton