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.
Biostratigraphy:
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.
Paratype:
UNCUYO-LD 350: A complete humerus.
Note: Disocvered 2 m away from specimen UNCUYO-LD 307.