Ssuchiatzu tracksite (Jurassic to of China)

Also known as Sijiazi, Yangshan

Where: Liaoning, China (41.2° N, 120.3° E: paleocoordinates 42.3° N, 122.4° E)

• coordinate stated in text

• small collection-level geographic resolution

When: Tuchengzi Formation, Late/Upper Tithonian to Late/Upper Tithonian (150.8 - 132.9 Ma)

• Formation is best correlated with the Heichengtzu series; originally considered Cretaceous, then "Eomesozoic"

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; coarse-grained sandstone and red conglomerate

• "The sandstone with footprints is coarse-grained, and belongs to a 50-100 m thick complex of reddish conglomerate interbedding some reddish tuffaceous shale and sandstone."

•"coarse-grained sandstone plates"

Size class: macrofossils

Preservation: mold/impression, trace

Collected by S. Sato, C.-C. Young in 1939, 1954; reposited in the IVPP

Collection methods: surface (float), mechanical,

• second collecting expedition in 1954 from the IVPP

Primary reference: H. Yabe, Y. Inai, and T. Shikama. 1940. Dinosaurian footprints found near Yangshan, Chinchou, Manchoukou. Journal of the Geological Society of Japan 47:169-170 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 55306: authorized by Matthew Carrano, entered by Kaitlin Maguire on 07.10.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

• Registration Number of specimen refers to the Institute of Geology and Palaeontology, TĂ´hoku Imperial University, Sendai.
 Saurischia - Eubrontidae
"Jeholosauripus ssatoi n. gen. n. sp." = Grallator ssatoi
"Jeholosauripus ssatoi n. gen. n. sp." = Grallator ssatoi Yabe et al. 1940 theropod
footprints, Reg. No. 61677