Hiraiga formation of the Miyako Group (Cretaceous of Japan)

Where: Iwata, Japan (39.6° N, 141.3° E: paleocoordinates 52.8° N, 140.0° E)

When: Late/Upper Aptian (122.5 - 113.0 Ma)

Environment/lithology: marine; fine-grained sandstone

Size classes: macrofossils, mesofossils

Primary reference: M. Takeda and I. Fujiyama. 1983. Three Decapod Crustaceans from the Lower Cretaceous Miyako Group, Northern Japan. Bulletin of the National Science Museum, Toyoko (4)129-136 [C. Schweitzer/E. Johnson/E. Johnson]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 146565: authorized by Carrie Schweitzer, entered by Evaline Johnson on 27.06.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Malacostraca
 Decapoda - Necrocarcinidae
Necrocarcinus undecintuberculatus
Necrocarcinus undecintuberculatus crab
Takeda and Fuhiyama, 1983
 Decapoda - Homolidae
Homolopsis hachiyai
Homolopsis hachiyai Takeda and Fujiyama 1983 crab
Takeda and Fuhiyama, 1983
 Decapoda - Catillogalatheidae
"Paragalathea miyakoensis" = Vasconilia miyakoensis
"Paragalathea miyakoensis" = Vasconilia miyakoensis Takeda and Fujiyama 1983 decapod
Takeda and Fujiyama, 1983