Shiramine tracksite (II) (Cretaceous of Japan)

Where: Ishikawa, Japan (36.2° N, 136.6° E: paleocoordinates 47.9° N, 137.1° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Akaiwa Formation (Tetori Group), Aptian (125.0 - 113.0 Ma)

• Akaiwa Subgroup

•Based on zircon U-Pb dating, the zircon grains from the tuff of the Akaiwa Formation of the Tetori Group in the Shiramine area which are correlated with the Nochino Formation has an age of 121.2 ± 1.1 Ma (Sakai et al., 2019).

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Preservation: trace

Collection methods: surface (in situ)

Primary reference: M. Matsukawa and I. Obata. 1994. Dinosaurs and sedimentary environments in the Japanese Cretaceous: a contribution to dinosaur facies in Asia based on molluscan palaeontology and stratigraphy. Cretaceous Research 15(1):101-125 [M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 179247: authorized by Matthew Carrano, entered by Matthew Carrano on 08.06.2016

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Ornithischia -
? Euornithopoda indet. Sereno 1986 ornithopod
 Theropoda -
? Theropoda indet. Marsh 1881 theropod