Gain-ri tracksite, Changseon Island (Cretaceous to of South Korea)

Also known as KML1, Namhae, Gainri, Korea Natural Monument No. 499

Where: Gyeongsangnam-do, South Korea (34.9° N, 128.0° E: paleocoordinates 43.3° N, 125.2° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Haman Formation (Hayang Group), Aptian to Aptian (125.0 - 100.5 Ma)

• middle part of the Haman Formation

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; fine-grained, gray, cherty/siliceous sandstone and fine-grained, black, cherty/siliceous shale

• "alternating black shale and gray sandstone...centimeter-scale rhythmic alternations of fine-grained siliciclastic sediment. In the measured section at the northeast of the Changseon Island the fine- to medium-grained sandstone frequently exhibits parallel lamination, cross-stratified lamination, convoluted bedding, flame structures and ripple marks."

Size class: macrofossils

Preservation: cast, trace

Collection methods: surface (in situ), mechanical, peel or thin section,

• 11 trackways comprising 80 tracks

Primary reference: Y.-N. Lee, K.-M. Yu, and C. B. Wood. 2001. A review of vertebrate faunas from the Gyeongsang Supergroup (Cretaceous) in South Korea. Palaeogeography, Palaeoclimatology, Palaeoecology 165:357-373 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 59177: authorized by Matthew Carrano, entered by Kaitlin Maguire on 20.03.2006, edited by Matthew Carrano

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Ornithischia -
cf. Minisauripus zhenshuonani5 Lockley et al. 2008 ornithischian
Ornithopoda indet. ornithopod
Aves
  - Ignotornidae
Ignotornis yangi n. sp.1 Kim et al. 2006 bird
trackways; KNUE 040417
Reptilia
 Saurischia -
Brontopodus birdi3 Farlow et al. 1989 sauropod
trackway; KNUE 080302
 Pterosauria - Pteraichnidae
Pteraichnus sp.4 Stokes 1957 pterosaur
 Pseudosuchia - Batrachopodidae
"Haenamichnus gainensis n. sp." = Batrachopus gainensis3
"Haenamichnus gainensis n. sp." = Batrachopus gainensis3 Kim et al. 2012 aetosaur
 Eosuchia -
Neosauroides koreaensis n. gen. n. sp.2
Neosauroides koreaensis n. gen. n. sp.2 Kim et al. 2017 crown diapsid
trackway CUE 130304L