Genus: Alamitornis AGNOLIN & MARTINELLI, 2009
Etymology: Alamito, in reference to the Los Alamitos, Rio Negro Province, Patagonia, Argentina, locality where the material was found, and Greek, ornis, "bird."

Species: minutus AGNOLIN & MARTINELLI, 2009
Etymology: Greek, minutus, "small, insignificant, petty": referes to the small size of this taxon.

Holotype: MACN PV RN 1108

Locality: Los Alamitos, Rio Negro Province, Patagonia, Argentina.

Horizon: Los Alamitos Formation.


Age: Campanian Stage, Senonian Subepoch, Gulf Epoch, Late Cretaceous.

Material: Proximal third of a left humerus.

Alamitornis minutus; A-C, Holotype (MACN RV RN 1108), D-E, referred material; A) Caudal view, B) Proximal (left above), C) Cranial (right views); D) MACNPV RN 1110 Distel half of left femur in caudal (left), E) Cranial (right) views) from Agnolin & Martinelli, 2009.

Referred material:

MACN PV RN 1109: Five proximal extremes of right humeri of diffferent individuals.

MACN PV RN 1110: Distal half of a left femur of a juvenile specimen.