Loc. T5004 - Uttsu [Yezo Gp] (Cretaceous of Japan)

Where: Japan (44.8° N, 141.8° E: paleocoordinates 49.5° N, 130.2° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Yezo Group, Campanian (83.6 - 72.1 Ma)

• STRATIGRAPHIC RELATIONS: From "Member Y" of the Yezo Gp. AGE: Campanian, on the basis of ammonite biostratigraphy. STRATIGRAPHIC POSITION: From near middle of regional section.

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified, silty sandstone

• ENVIRONMENT: Not stated in text, but presumably a shallow siliciclastic setting.
• SPECIFIC LITHOLOGY: Silty, fine-grained sandstone. LITHIFICATION: Lithified, on the basis of figured specimens.

Size class: macrofossils

Preservation: mold/impression

Collection methods: COLLECTOR: Not stated, but presumably the author T. Matsumoto. REPOSITORY: Dept. of Geology, Kyushu University, Japan.

Primary reference: T. Matsumoto. 1984. Part I. Ammonites from the Upper Campanian of the Teshio Mountains. Palaeontological Society of Japan Special Papers 27:5-32 [A. Hendy/A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 87032: authorized by Austin Hendy, entered by Austin Hendy on 01.03.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Limited to ammonites described in text. NOMENCLATURE: Authoritative publication, with modern nomenclature and species-resolution identifications.
Show authors, comments, and common names
Cephalopoda
 Ammonitida - Placenticeratidae
Metaplacenticeras subtilistriatum