Genus: Pukyongosaurus DONG, PAIK & KIM, 2001
Etymology: The generic name is dedicated to the Pukyong National University, and Greek, sauros, "lizard."

Species: millenniumi DONG, PAIK & KIM, 2001
Etymology: The specific name is commemorating the year 2000, a new millennium.

Holotype: PKNUG-G.102-109

Locality: Galsair, Hadong-gun, Gyeongsangnam-do, Byeongsan Basin, South Korea.

Horizon: Hasandong Formation, Gyeongsan Supergroup.

Biostratigraphy:

Age: Hauterivian Stage, Upper Neocomian Subepoch, Middle Early Cretaceous Epoch, Early Early Cretaceous.

Material: 7 cervical, 1 dorsal vertebrae, partial clavicle (?), 1 complete chevron, and isolated elements.

Referred material:

PAIK, KIM, LIM, HUH & LEE, 2011

PKNU GS08-05: Caudal vertebra.

Note: Has tooth marks from a theropod.