Where: Japan (33.8° N, 134.0° E: paleocoordinates 45.3° N, 126.0° E)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Collignoniceras woollgari ammonoid zone, Kajisako Formation, Middle Turonian to Middle Turonian (93.5 - 89.3 Ma)
• STRATIGRAPHIC RELATIONS: From the Kajisako Fm, which overlies the Nagase Fm. AGE: Middle Turonian, on the basis of ammonite, inoceramid, and radiolarian biostratigraphy; Collignoniceras woollgari-Romaniceras deverianum zone. STRATIGRAPHIC POSITION: From the upper lithostratigraphic unit in regional section; basal part of Kajisako Fm.
• bed-level stratigraphic resolution
Environment/lithology: coastal; lithified, fine-grained sandstone
Size class: macrofossils
Preservation: mold/impression
Collection methods: COLLECTOR: Multiple collectors. REPOSITORY: Dept. of Geology, Kyushu University, Japan; Odochi Elementary School.
Primary reference: M. Tashiro and T. Kozai. 1982. Part V. Bivalve fossils from the Upper Cretaceous of the Monobe area, Shikoku. Palaeontological Society of Japan Special Papers 25:69-92 [A. Hendy/A. Hendy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 87012: authorized by Austin Hendy, entered by Austin Hendy on 27.02.2009
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
Apiotrigonia (Apiotrigonia) undulosa Nakano 1957 clam | |
Fenestricardita densigranulata Tashiro 1976 clam | |
Eriphyla (Eriphyla) higoensis Tashiro 1976 clam | |
Myrtea cf. ezoensis Nagao 1957 clam | |
Clisocolus (Clisocolus) odochiensis n. sp. Tashiro and Kozai 1982 clam | |
Periploma (Periploma) aff. mifunensis Tamura 1977 clam | |
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Gryphaeostrea kochiensis n. sp. Tashiro and Kozai 1982 oyster
Pycnodonte amakusensis Tashiro 1978 oyster | |
Atreta intsulaevis Tashiro 1978 scallop | |
Plicatula sp. Lamarck 1801 scallop | |
Nippononectes monobensis Tashiro 1982 scallop | |
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Cephalopoda | |
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