Huallasaurus

Huallasaurus
Temporal range: Late Cretaceous,
~
Reconstructed skeleton at Natural Sciences Museum
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Clade: Dinosauria
Clade: Ornithischia
Clade: Ornithopoda
Family: Hadrosauridae
Subfamily: Saurolophinae
Clade: Austrokritosauria
Genus: Huallasaurus
Rozadilla et al., 2022
Species:
H. australis
Binomial name
Huallasaurus australis
(Bonaparte et al., 1984)
Synonyms
  • Kritosaurus australis et al., 1984
  • Secernosaurus australis (Bonaparte et al., 1984) Wagner, 2001

Huallasaurus (meaning "duck lizard") is an extinct genus of saurolophine hadrosaur from the Late Cretaceous Los Alamitos Formation of Patagonia in Argentina. The type and only species is H. australis. Originally named as a species of Kritosaurus in 1984, it was long considered a synonym of Secernosaurus before being recognized as its own distinct genus in a 2022 study, different from other members of Kritosaurini.

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