Where: Japan (36.3° N, 137.2° E: paleocoordinates 44.8° N, 139.1° E)
• coordinate estimated from map
When: Taie Formation (Tetori Group), Valanginian (139.8 - 132.9 Ma)
• formation-level stratigraphic resolution
Environment/lithology: deltaic; mudstone
•region is composed mainly of mudstone, sandstone, and
•conglomerates, and can be divided into six stratigraphic units
•named, in ascending order, the Tanemura, Numamachi, Sugizaki/
•Tochio, Taie, and Inagoe Formations
Size class: macrofossils
Primary reference: M. Matsukawa and M. Fukui. 2009. Hauterivian-Barremian marine molluscan fauna from the Tetori Group in Japan and late Mesozoic marine transgressions in East Asia. Cretaceous Research 30:615-631 [M. Aberhan/D. Wellmanns]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 116160: authorized by Martin Aberhan, entered by Daniel Wellmanns on 06.09.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
Melanoides minima snail | |
"Ampullaria nipponica" = Natica (Ampullaria)
"Ampullaria nipponica" = Natica (Ampullaria) moon snail | |
Bivalvia | |
Batissa antiqua clam | |