Toyonishi Group

Geology

Formations: unnamed (1), Kiyosue (2), Yoshimo (1)

Lithologies: siltstone (1), sandstone (3), conglomerate (2)

Paleoenvironments: terrestrial indet. (1), deltaic indet. (2), fluvial indet. (1)

Age range: base of the Neocomian to the top of the Berriasian or 143.10000 to 137.05000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Callovian - Berriasian165.3 - 137.05Japan (Yamaguchi) (31669)
Late/Upper Jurassic - Early/Lower Cretaceous161.5 - 100.5Japan (Yamaguchi) (166075)
Neocomian143.1 - 125.77Japan (Yamaguchi) (40510 40511)