Where: Gyeongsangnam-do, South Korea (35.0° N, 127.9° E: paleocoordinates 42.9° N, 126.2° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Hasandong Formation (Shindong Group), Late/Upper Aptian to Late/Upper Aptian (122.5 - 109.0 Ma)

• Previously, a Hauterivian-Barremian age for the Hasandong Formation was proposed, based on palynomorph assemblages (Choi, 1985; Choi, 1989; Yi et al. 1994). However, molluscan faunas suggest and Aptian-Albian age (Yang 1982) and Lee et al. 2018 SHRIMP and U-pb analyses provided a maximum depositional age of approximately 118+/-2.6Ma. The youngest detrital zircon ages were approximately 109Ma (Lee et al. 2010)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collection methods: surface (in situ), mechanical,

Primary reference: Y. Hangjae, Y. Yungnam, and Y. Hyesu. 2005. [A new protosuchian (Archosauria: Crocodyliformes) skull from the Hasandong Formation (Lower Cretaceous) of Hadong, Korea]. Korean Journal of Paleontology 21(1):146-150 [P. Mannion/J. Tennant/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 220105: authorized by Matthew Carrano, entered by Matthew Carrano on 05.05.2021

Creative Commons license: CC BY (attribution)