Genus: Thanatosdrakon DAVID, RIGA & KELLNER, 2022
Etymology: Greek, thanatos, "death" and Greek, drakon, "dragon"; Dragon of death.

Species: amaru DAVID, RIGA & KELLNER, 2022
Etymology: Quichua languate, amaru, "flying serpent'; a mythical deity of the Inca culture, in fact, the 'dragon of the Andes' in the Andean cosmovision.

Holotype: UNCUYO-LD 307

Locality:Agua Del Padrillo, south of Malargüe Department, Mendoza Province, Argentina.

Horizon: Upper-most levels of the Plottier Formation, Neuquen Group.


Age: Upper Coniacian-lower Santonian Stage, Early Senonian Subepoch, Early Gulf Epoch, Early Late Cretaceous.

Material: A partial and associated postcranial skeleton.

Breakdown as follows:

UNCUYO-LD 307-1: Incomplete posterior cervical vertebra.

UNCUYO-LD 307-2: A complete notarium composed of 5 fused dorsal vertebrae and fused notarial rib.

UNCUYO-LD 307-3-6: 4 free dorsal vertebrae.

UNCUYO-LD 307-7: A synsacrum formed by 3 fused dorsosacral vertebrae.

UNCUYO-LD 307-8: 2 incomplete sacral vertebrae.

UNCUYO-LD 307-9: A complete caudal vertebra.

UNCUYO-LD 307-10: A fused scapulocoracoid.

UNCUYO-LD 307-11: A complete right humerus.

UNCUYO-LD 307-12: Proximal portion of right ulna.

UNCUYO-LD 307-13: A proximal portion and diaphysis of right radius.

UNCUYO-LD 307-14: A complete left proximal synarpal.

UNCUYO-LD 307-15: A complete distal syncarpal.

UNCUYO-LD 307-16: A complete right pteroid.

UNCUYO-LD 307-17: A distal portion of wing metacarpal.

UNCUYO-LD 307-18: A proximal and distal portion of right wing phalanx 1.

UNCUYO-LD 307-19: A distal portion of right wing phalanx 2.

UNCUYO-LD 307-20: A proximal portion of left wing phalanx 3.

UNCUYO-LD 307-21: A distal portion of right wing phalanx 3.

UNCUYO-LD 307-22: A proximal portion of right wing phalanx 4.

UNCUYO-LD 307-23: An incomplete left pelvis.

UNCUYO-LD 307-24: a proximal portion and diaphysis of right femur.

UNCUYO-LD 307-25: A distal portion of fused right tibiotarsus.


UNCUYO-LD 350: A complete humerus.

Note: Disocvered 2 m away from specimen UNCUYO-LD 307.