Where: Gifu, Japan (36.3° N, 136.9° E: paleocoordinates 43.8° N, 140.8° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Mitarai Formation (Tetori Group), Callovian (164.7 - 161.2 Ma)

• Mitarai Fm about 45 m thick

• bed-level stratigraphic resolution

Environment/lithology: transition zone or lower shoreface; lithified mudstone

Size class: macrofossils

Collection methods: bulk,

Primary reference: T. Komatsu and F. T. Fürsich. 2001. Mode of occurence and composition of bivalves of the Middle Jurassic Mitarai Formation, Tetori Group, Japan. Paleontological Research 5(2):121-129 [W. Kiessling/T. Schossleitner/T. Schossleitner] more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 60320: authorized by Wolfgang Kiessling, entered by Thomas Schossleitner on 10.05.2006