Where: Tochigi, Japan (36.3° N, 139.6° E: paleocoordinates 44.0° N, 123.1° E)

When: Adoyama Formation, Ladinian to Ladinian (242.0 - 228.0 Ma)

• Ladinian to lower Carnian, Middle to Upper Triassic

Environment/lithology: marine; lithified limestone

Size class: macrofossils

Collected by M. Goto in 1975

Primary reference: M. Goto, T. Uyeno, and Y. Yabumoto. 1996. Summary of Mesozoic elasmobranch remains from Japan. In G. Arratia & G. Viohl (ed.), Mesozoic Fishes - Systematics and Paleoecology 1:73-82 [M. Clapham/P. Vazquez]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 148620: authorized by Matthew Clapham, entered by Priscilla Vazquez on 23.07.2013

Creative Commons license: CC BY (attribution)