Minowa Quarry, YZH section, Kuzuu, samples 05-24 (Triassic of Japan)

Where: Tochigi, Japan (36.4° N, 139.6° E: paleocoordinates 39.7° N, 117.5° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Anisian (247.2 - 242.0 Ma)

• 10 samples (YZH-05 - YZH-24), Hozmadia ozawai zone

• group of beds-level stratigraphic resolution

Environment/lithology: basinal (siliceous); lithified chert

• dark gray and black chert, cherty sandstone

Size class: microfossils

Primary reference: 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]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 96061: authorized by Wolfgang Kiessling, entered by Uta Merkel on 11.05.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Protozoa
 Entactinaria - Palaeoscenidiidae
Parentactinia okuchichibuensis, Parentactinia nakatsugawaensis
Parentactinia okuchichibuensis Sashida 1991 radiolarian
Parentactinia nakatsugawaensis Sashida 1983 radiolarian
 Entactinaria - Entactiniidae
Entactinosphaera sp.
Entactinosphaera sp. Foreman 1963 radiolarian
 Entactinaria - Kungalariidae
Pentabelus furutanii
Pentabelus furutanii Sugiyama 1992 radiolarian
 Entactinaria - Hindeosphaeridae
Pseudostylosphaera "sp. A", Pseudostylosphaera "sp. B", Pseudostylosphaera sp.
Pseudostylosphaera "sp. A" Kozur and Mostler 1981 radiolarian
Pseudostylosphaera "sp. B" Kozur and Mostler 1981 radiolarian
Pseudostylosphaera sp. Kozur and Mostler 1981 radiolarian
 Entactinaria - Eptingiidae
Eptingium "sp. A", Eptingium sp., Eptingium nakasekoi, Cryptostephanidium "sp. A", Cryptostephanidium "sp. D", Cryptostephanidium sp., Cryptostephanidium japonicum, Cryptostephanidium longispinosum
Eptingium "sp. A" Dumitrica 1978 radiolarian
Eptingium sp. Dumitrica 1978 radiolarian
Eptingium nakasekoi Kozur and Mostler 1994 radiolarian
Cryptostephanidium "sp. A" Dumitrica 1978 radiolarian
Cryptostephanidium "sp. D" Dumitrica 1978 radiolarian
Cryptostephanidium sp. Dumitrica 1978 radiolarian
Cryptostephanidium japonicum Nakaseko and Nishimura 1979 radiolarian
Cryptostephanidium longispinosum Sashida 1991 radiolarian
 Entactinaria - Multiarcusellidae
Tiborella "sp. B", Tiborella sp., Tiborella agria, Tiborella aff. agria
Tiborella "sp. B" Dumitrica et al. 1980 radiolarian
Tiborella sp. Dumitrica et al. 1980 radiolarian
Tiborella agria Sugiyama 1992 radiolarian
Tiborella aff. agria Sugiyama 1992 radiolarian
 Nassellaria - Ruesticyrtiidae
Triassocampe sp.
Triassocampe sp. Dumitrica et al. 1980 radiolarian
 Nassellaria - Poulpidae
Hozmadia sp., ? Hozmadia sp., Hozmadia ozawai
Hozmadia sp. Dumitrica et al. 1980 radiolarian
? Hozmadia sp. Dumitrica et al. 1980 radiolarian
Hozmadia ozawai Sugiyama 1992 radiolarian
 Spumellaria - Capnuchosphaeridae
Plafkerium sp., ? Plafkerium sp., ? Plafkerium antiquum
Plafkerium sp. Pessagno et al. 1979 radiolarian
? Plafkerium sp. Pessagno et al. 1979 radiolarian
? Plafkerium antiquum Sugiyama 1992 radiolarian
 Spumellaria - Angulobracchiidae
Protopsium sp.
Protopsium sp. Pessagno and Poisson 1981 radiolarian