Species: lechiguanae PORFIRI, BAIANO, dos SANTOS, GIANCHINI, PITTMAN & LAMANNA, 2024
Etymology: In refercence ot Lechiguana, the witch in the 1975 filme Nazareno Cruz y el Lobo (directed by eminent Argentinian filmaker Leonardo Favio) who forsaw that the film's titular charcter would become a werewolfe. Intended etymology: "Lechiguana's bird of prey".

Holotype: MUCPv 1401

Locality: From an isthmus between the southeast coast of Lago Barreales and the northwest coast of Lago Mari Menuco, Neuquen Province, north-western Patagonia, Argentina.

Horizon: Bajo de la Carpa Neuquen Group.

Biostratigraphy:

Age: Santonian Stage, Lower Senonian Subepoch, Lower Gulf Epoch, Early Late Cretaceous.

Material: Posteriormost sacral vertebral neuarch, an anterior caudal vertebral neural arch, the nearly complete left humerus, and four unidentified fragments.

Note: Tooth marks on the distal end of the humerus.

Diuqin lechiguanae modifed from PORFIRI, BAIANO, dos SANTOS, GIANCHINI, PITTMAN & LAMANNA, 2024. A-E MUCPv 1401/1 posteriormost (last) sacral neural arch. A) anterior; B) posterior; C) dorsal; D) ventral; E) lateral views. F-I MUCPv 1401/2 anterior caudal neural arch: F) anterior; G) posterior; H) dorsal and I) ventral views.

Diuqin lechiguanae humerus modifed from PORFIRI, BAIANO, dos SANTOS, GIANCHINI, PITTMAN & LAMANNA, 2024. A) lateral; B) medial; C) anterior; D) posterior; E) proximal and F) distal views.

Tooth marks ('punctures' sensu Gianechini & de Valais, 2005) on distal end of lateral survace of the humerus MUCPv 1401/1.