Matsushima, Omoto-mura (Cretaceous of Japan)
Where: Iwate, Japan (39.8° N, 142.0° E: paleocoordinates 52.6° N, 141.8° E)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Hiraiga Sandstone Formation (Miyako Group), Late/Upper Aptian (122.5 - 112.0 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: perireef or subreef; lithified, calcareous sandstone
• shallow open-marine setting with abundant fossils (corals, rudists, molluscs, calcareous algae, foraminifers); small coral-rudist buildups may have existed (reef 1216)
Size class: macrofossils
Primary reference: M. Eguchi. 1951. Mesozoic hexacorals from Japan. The Science Reports of the Tohoku University, Geology 24:1-96 [W. Kiessling/U. Merkel] more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 91325: authorized by Wolfgang Kiessling, entered by Uta Merkel on 15.09.2009, edited by Wolfgang Kiessling