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 | |
? Euornithopoda indet. Sereno 1986 ornithopod | |
? Theropoda indet. Marsh 1881 theropod |