Locality B - Hatsuse Fm: Late/Upper Miocene, Japan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Indocrassatella tenuilirata
Gastropoda - Pleurotomariidae
Mikadotrochus cf. yoshiwarai (Oazki 1954)
Gastropoda - Neotaenioglossa - Calyptraeidae
Crepidula cf. nidatoriensis
Bivalvia - Arcida - Glycymerididae
Glycymeris rotunda
Bivalvia - Pectinida - Pectinidae
Chlamys miurensis (Yokoyama 1920)
Miyagipecten matsumoriensis Masuda 1952
Amussiopecten akiyamaea
Bivalvia - Pholadida - Corbulidae
Anisocorbula cf. venusta
spelled with current rank as Corbula (Anisocorbula)
COMMENTS: Spelt Anisocorbura
Anisocorbula sp. Iredale 1930
spelled with current rank as Corbula (Anisocorbula)
Bivalvia - Cardiida - Mactridae
Oxyperas bernardi
Bivalvia - Cardiida - Cardiidae
Clinocardium sp. Keen 1936
Laevicardium angustum
Bivalvia - Cardiida - Solecurtidae
Azorinus abbreviatus
Scaphopoda - Dentaliida - Dentaliidae
Fissidentalium cf. yokoyamai
see common names

Geography
Country:Japan
Coordinates: 35.2° North, 139.7° East (view map)
Paleocoordinates:36.5° North, 138.1° East
Geographic resolution:outcrop
Time
Period:Neogene Epoch:Miocene
10 m.y. bin:Cenozoic 6
Key time interval:Late/Upper Miocene
Age range of interval:11.60800 - 5.33300 m.y. ago
Stratigraphy
Formation:Hatsuse
Stratigraphic resolution:bed
Stratigraphy comments: STRATIGRAPHIC RELATIONS: From the Hatsuse Fm, which overlies the Misaki Fm and is overlain by the Miyata Fm. THICKNESS: From bed within formation which reaches 460 m in thickness. AGE: Late Miocene on the basis of molluscan biostratigraphy. STRATIGRAPHIC POSITION: From unknown position within formation.
Lithology and environment
Primary lithology:tuffaceous lithified conglomeratic sandstone
Includes fossils?Y
Lithology description: SPECIFIC LITHOLOGY: Pyroclastic, conglomeratic sandstone. LITHIFICATION: Lithified, on the basis of figured specimens.
Environment:coastal indet.
Geology comments: ENVIRONMENT: Shallow water, possibly between intertidal and 50 m, or deeper. TEMPERATURE: Warm-water.
Taphonomy
Modes of preservation:body,cast,original calcite
Size of fossils:macrofossils
Collection methods and comments
Collection methods:surface (in situ),field collection
Reason for describing collection:taxonomic analysis
Collection method comments: COLLECTOR: K. Okumara and Y. Yamagishi (1992). REPOSITORY: Dept of Natural Science, Naruto University of Education, Japan.
Taxonomic list comments:COVERAGE: Exhaustive for bivalvia and gastropoda. NOMENCLATURE: Authoritative publication using species-level assignments.
Metadata
Database number:71049
Authorizer:A. Hendy Enterer:A. Hendy
Research group:marine invertebrate
Created:2007-04-15 01:02:39 Last modified:2013-11-25 13:37:23
Access level:authorizer only Released:2007-04-15 01:02:37
Creative Commons license:CC BY
Reference information

Primary reference:

23798. K. Okumura and Y. Yamagishi. 1992. Molluscan fauna from the Late Miocene Hatsuse Formation in the Miura Peninsula, Kanagawa Prefecture, Japan. Transactions and Proceedings of the Paleontological Society of Japan, N.S. 165:1009-1023 [A. Hendy/A. Hendy]