Sample A - Kannondake Fm, Miike (Eocene of Japan)

Where: Japan (33.1° N, 130.5° E: paleocoordinates 40.4° N, 124.3° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Kannondake Formation, Middle Eocene (48.6 - 37.2 Ma)

• STRATIGRAPHIC RELATIONS: From Kannondake Fm, which conformably overlies the Middle Eocene Hokonoko Fm. THICKNESS: From bed within formation of group that attains a thickness of 40 m. AGE: Middle Eocene, based on molluscan biostratigraphy. STRATIGRAPHIC POSITION: From near the base of the formation.

• bed-level stratigraphic resolution

Environment/lithology: marginal marine; lithified, medium-grained, calcareous sandstone

• ENVIRONMENT: Marginal marine, siliciclastic environment.
• SPECIFIC LITHOLOGY: Medium-grained, calcareous sandstone. LITHIFICATION: Presumed lithified on the basis of age.

Size class: macrofossils

Collection methods: surface (float),

• COLLECTOR: Sugai and Furukawa (c. 1960). REPOSITORY: Not stated in text, unknown.

Primary reference: A. Mizuno. 1964. Paleogene and Early Neogene molluscan faunae in West Japan. Geological Survey of Japan Report 204 [A. Hendy/A. Hendy]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 71023: authorized by Austin Hendy, entered by Austin Hendy on 14.04.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Exhaustive for gastropoda and bivalvia. NOMENCLATURE: Farly modern nomenclature, and species-level assignments.
Gastropoda
 Cerithioidea - Potamididae
Vicarya sp. d'Archiac and Haime 1854 horn snail
 Sorbeoconcha - Thersiteidae
"Orthaulax" japonicus Nagao 1924 snail
 Sorbeoconcha - Cerithiopsidae
Cerithiopsis sp. Hanley 1849 snail
Bivalvia
 Pholadida - Corbulidae
 Solenida - Solenidae
Solen sp. Linnaeus 1758 clam