ammonites
Loc. X 1110 - Ikushunbetsu (Cretaceous of Japan)

Where: Japan (43.7° N, 142.1° E: paleocoordinates 50.7° N, 133.6° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Coniacian (89.3 - 85.8 Ma)

• STRATIGRAPHIC RELATIONS: From an unnamed lithostratigraphic unit, possibly the Saku Formation, which overlies pre-Cenomaniann Cretaceous deposits. AGE: Coniacian, based on ammonite biostratigraphy. STRATIGRAPHIC POSITION: From near top of local regional section

• bed-level stratigraphic resolution

Environment/lithology: coastal; lithified siltstone

• ENVIRONMENT: Inshore to nearshore and nearshore to offshore or deeper waters.
• GENERAL LITHOLOGY: Siltstone. LITHIFICATION: Lithified, on the basis of figured specimens.

Size class: macrofossils

Preservation: cast, mold/impression

Collection methods: COLLECTOR: Tanabe et al. (1977). REPOSITORY: Dept. of Geology, Kyushu University, Japan.

Primary reference: K. Tanabe. 1977. Mid-Cretaceous scaphitid ammonites from Hokkaido. Palaeontological Society of Japan Special Papers 21:11-22 [A. Hendy/A. Hendy] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 86995: authorized by Austin Hendy, entered by Austin Hendy on 26.02.2009

Creative Commons license: CC BY-NC-ND (attribution-noncommercial-no derivatives)