Kirimiya Fm (glauconite-bearing sst) - Isahaya: Late/Upper Eocene, Japan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Volutopsina japonica
Gastropoda - Epitoniidae
"Epitonium" sp. Bolten 1798
R category
Gastropoda - Neogastropoda - Volutidae
Volutospina ? nishimurai Nagao 1928
R category
Bivalvia - Nuculida - Nuculidae
Acila (Truncacila) sp. Grant and Gale 1931
R category
Nucula hizenensis
R category
Bivalvia - Mytilida - Mytilidae
Brachidontes sp. Swainson 1840
R category
Bivalvia - Arcida - Glycymerididae
Glycymeris sp. Da Costa 1778
C category
Bivalvia - Cardiida - Veneridae
Pitar kyushuensis
A category
Bivalvia - Carditida - Carditidae
Venericardia okinoshimensis
C category
Venericardia nipponica Yokoyama 1911
recombined as Venericardia (Venericor) nipponica
Venericardia mandaica (Yokoyama 1911)
recombined as Venericardia (Venericardia) mandaica
Venericardia japonica Mizuno 1952
see common names

Geography
Country:Japan
Coordinates: 32.8° North, 130.0° East (view map)
Paleocoordinates:39.7° North, 125.2° East
Basis of coordinate:based on nearby landmark
Geographic resolution:local area
Time
Period:Paleogene Epoch:Eocene
Stage:Priabonian 10 m.y. bin:Cenozoic 3
Key time interval:Late/Upper Eocene
Age range of interval:37.71000 - 33.90000 m.y. ago
Stratigraphy
Formation:Kirimiya
Stratigraphic resolution:member
Stratigraphy comments: STRATIGRAPHIC RELATIONS: From Kirimiya Fm, which regionally overlies the Middle Eocene Keya Fm, and underlying the Nagayo Fm (Early Oligocene). THICKNESS: From formation that attains a thickness of ~100 m. AGE: Late Eocene, based on molluscan biostratigraphy. STRATIGRAPHIC POSITION: Composite list for "member" in this local area.
Lithology and environment
Primary lithology:fine,medium,glauconitic,green lithified sandstone
Includes fossils?Y
Lithology description: SPECIFIC LITHOLOGY: Green-colored, glauconitic-bearing, fine-medium-grained sandstone. LITHIFICATION: Presumed lithified on the basis of age.
Environment:coastal indet.
Geology comments: ENVIRONMENT: Shallow sea, soft-bottom siliciclastic bottom.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection methods:surface (float),field collection
Reason for describing collection:biostratigraphic analysis
Collection method comments: COLLECTOR: A. Mizuno (c. 1964). REPOSITORY: Not stated in text, unknown.
Taxonomic list comments:COVERAGE: Exhaustive for gastropoda and bivalvia. NOMENCLATURE: Farly modern nomenclature, and species-level assignments.
Metadata
Database number:70922
Authorizer:A. Hendy Enterer:A. Hendy
Modifier:A. Hendy Research group:marine invertebrate
Created:2007-04-11 21:00:02 Last modified:2013-11-25 13:37:23
Access level:authorizer only Released:2008-04-11 21:00:02
Creative Commons license:CC BY
Reference information

Primary reference:

23772. A. Mizuno. 1964. Paleogene and Early Neogene molluscan faunae in West Japan. Geological Survey of Japan Report 204 [A. Hendy/A. Hendy]