Ashibetsu-mura (Cretaceous of Japan)

Also known as Reef 1708

Where: Ishikari, Japan (43.2° N, 142.1° E: paleocoordinates 51.0° N, 143.0° E)

• coordinate estimated from map

• local area-level geographic resolution

When: Orbitolina Limestone Member (Shuparogawa Formation), Late/Upper Aptian (122.5 - 113.0 Ma)

• also known as "Lower Ammonite Beds"

• group of beds-level stratigraphic resolution

Environment/lithology: perireef or subreef; lithified limestone and lithified, calcareous sandstone

• biostromal limestones and calcareous sandstone olistoliths

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 91348: authorized by Wolfgang Kiessling, entered by Uta Merkel on 16.09.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Anthozoa
 Scleractinia - Montlivaltiidae
Isastrea matumotoi
Isastrea matumotoi Eguchi 1944 stony coral
 Scleractinia - Faviidae
? Favia jezoensis
? Favia jezoensis Eguchi 1944 stony coral
 Scleractinia - Dermosmiliidae
? Dermosmilia jezoensis
? Dermosmilia jezoensis Eguchi 1944 stony coral
 Scleractinia - Thamnasteriidae
Thamnasteria jezoensis n. sp.
Thamnasteria jezoensis n. sp. Eguchi 1951 stony coral