Minowa Quarry, YZH section, Kuzuu, samples 05-24: Anisian, Japan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Protozoa - Entactinaria - Hindeosphaeridae
Pseudostylosphaera informal sp. A Kozur and Mostler 1981
Pseudostylosphaera informal sp. B Kozur and Mostler 1981
Pseudostylosphaera sp. Kozur and Mostler 1981
Protozoa - Entactinaria - Kungalariidae
Pentabelus furutanii Sugiyama 1992
Protozoa - Entactinaria - Multiarcusellidae
Tiborella informal sp. B Dumitrica et al. 1980
Tiborella sp. Dumitrica et al. 1980
Tiborella agria Sugiyama 1992
Tiborella aff. agria Sugiyama 1992
Protozoa - Entactinaria - Entactiniidae
Entactinosphaera sp. Foreman 1963
Protozoa - Entactinaria - Eptingiidae
Eptingium informal sp. A Dumitrica 1978
Eptingium sp. Dumitrica 1978
Eptingium nakasekoi Kozur and Mostler 1994
Cryptostephanidium informal sp. A Dumitrica 1978
Cryptostephanidium informal sp. D Dumitrica 1978
Cryptostephanidium sp. Dumitrica 1978
Cryptostephanidium japonicum (Nakaseko and Nishimura 1979)
Cryptostephanidium longispinosum (Sashida 1991)
Protozoa - Entactinaria - Palaeoscenidiidae
Parentactinia nakatsugawaensis Sashida 1983
Parentactinia okuchichibuensis (Sashida 1991)
Protozoa - Nassellaria - Ruesticyrtiidae
Triassocampe sp. Dumitrica et al. 1980
Protozoa - Nassellaria - Poulpidae
Hozmadia sp. Dumitrica et al. 1980
? Hozmadia sp. Dumitrica et al. 1980
Hozmadia ozawai Sugiyama 1992
Protozoa - Spumellaria - Capnuchosphaeridae
Plafkerium sp. Pessagno et al. 1979
? Plafkerium sp. Pessagno et al. 1979
? Plafkerium antiquum Sugiyama 1992
Protozoa - Spumellaria - Angulobracchiidae
Protopsium sp. Pessagno and Poisson 1981
see common names

Geography
Country:Japan State/province:Tochigi
Coordinates: 36.4° North, 139.6° East (view map)
Paleocoordinates:39.7° North, 117.5° East
Basis of coordinate:based on nearby landmark
Geographic resolution:small collection
Time
Period:Triassic Epoch:Middle Triassic
Stage:Anisian 10 m.y. bin:Triassic 2
Key time interval:Anisian
Age range of interval:247.20000 - 242.00000 m.y. ago
Stratigraphy
Stratigraphic resolution:group of beds
Stratigraphy comments: 10 samples (YZH-05 - YZH-24), Hozmadia ozawai zone
Lithology and environment
Primary lithology: lithified chert
Lithology description: dark gray and black chert, cherty sandstone
Environment:basinal (siliceous)
Taphonomy
Modes of preservation:body
Size of fossils:microfossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:biostratigraphic analysis
Metadata
Database number:96061
Authorizer:W. Kiessling Enterer:U. Merkel
Research group:micropaleontology
Created:2010-05-11 05:35:46 Last modified:2010-05-11 08:35:46
Access level:the public Released:2010-05-11 05:35:46
Creative Commons license:CC BY
Reference information

Primary reference:
32604. M. Ohtaka, Y. Aita, and T. Sakai. 1998. Middle Triassic radiolarian biostratigraphy of the bedded chert in the Minowa quarry, Kuzuu Town, Ashio Mountains. News of Osaka Micropaleontologists, Special Volume 11:95-113 [W. Kiessling/U. Merkel]