Also known as Ammonite Center
Where: Fukushima, Japan (37.2° N, 141.0° E: paleocoordinates 48.2° N, 130.4° E)
• coordinate based on nearby landmark
When: Obisagawa Member (Ashizawa Formation), Late/Upper Cretaceous (100.5 - 66.0 Ma)
• member-level stratigraphic resolution
Environment/lithology: marine
Primary reference: M. Manabe, Y. Hasegawa, and T. Takahashi. 2003. A hadrosaurid vertebra from the Ashizawa Formation, Futaba Group, Fukushima, Japan. Bulletin of the Gunma Museum of Natural History 7:7-10 [B. Beatty/B. Beatty]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 72267: authorized by Brian Beatty, entered by Brian Beatty on 29.05.2007, edited by Matthew Carrano
Creative Commons license: CC BY (attribution)
Taxonomic list
Chondrichthyes | |
Cretolamna sp. Glikman 1958 mackerel shark | |
Orthacanthus sp. Agassiz 1843 elasmobranch | |
Reptilia | |
Mosasauridae indet. Gervais 1852 mosasaur | |
| |
Plesiosauria indet. de Blainville 1835 plesiosaur | |
Actinopteri | |
Enchodus sp. Agassiz 1835 |