Tongfosi, Yanji tracksite (Cretaceous of China)

Where: Jilin, China (42.9° N, 129.2° E: paleocoordinates 49.5° N, 121.1° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: First Member (Tongfosi Formation), Early/Lower Cenomanian (99.6 - 93.5 Ma)

• originally assigned to Hauterivian; several track-bearing layers as well as fallen blocks

• group of beds-level stratigraphic resolution

Environment/lithology: fluvial; sandstone

• "fan delta-lacustrine depositional environments"
• "The dinosaur tracks were discovered as casts on the underside of sandstone beds, which represent sand bar, and flood sand units in inter-channel deposits."

Size class: macrofossils

Preservation: cast, trace

Collected by M. Matsukawa, L. Xing in 1995, 2015

Collection methods: quarrying, surface (float), surface (in situ), mechanical,

Primary reference: M. Matsukawa, M. Futakami, M. G. Lockley, C. Peiji, C. Jinhua, C. Zhenyao, and U. L. Bolotsky. 1995. Dinosaur footprints from the Lower Cretaceous of eastern Manchuria, northeastern China: implications for the recognition of an ornithopod ichnofacies in East Asia. Palaios 10:3-15 [M. Carrano/K. Maguire/M. Carrano]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 55193: authorized by Matthew Carrano, entered by Kaitlin Maguire on 28.09.2005, edited by Matthew Carrano

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Reptilia
 Dinosauria -
Dinosauria indet.
Dinosauria indet. Owen 1842 dinosaur
tracks TFS-F3–F8; quadrupeds, could be sauropod or thyreophoran
 Theropoda - Grallatoridae
cf. Grallator sp.
cf. Grallator sp. Hitchcock 1858 theropod
tracks; TFS-T1–T14
 Ornithischia -
? Ornithopoda indet.
? Ornithopoda indet. Marsh 1881 ornithopod
TFS-F2
 Ornithischia - Iguanodontipodidae
Caririchnium sp.
Caririchnium sp. Leonardi 1984 ornithopod
tracks; TFS-O1, O2, NIGPAS12156