Katsuyama (UF) Section, Inuyama, Kb9 (Jurassic of Japan)

Where: Japan (35.4° N, 136.9° E: paleocoordinates 46.9° N, 146.7° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Early/Lower Jurassic (201.4 - 174.7 Ma)

• bed-level stratigraphic resolution

Environment/lithology: basinal (siliceous); lithified chert and lithified shale

• rythmically alternating sequence of light red-brown chert and shale beds

Size class: microfossils

Preservation: original silica

Primary reference: R. Hori. 1992. Radiolarian Biostratigraphy at the Triassic/Jurassic Period Boundary in Bedded Cherts from the Inuyama Area, Central Japan. Journal of Geosciences, Osaka City University 35(4):53-65 [J. Pálfy/A. Kocsis]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 120134: authorized by József Pálfy, entered by Adam Kocsis on 08.11.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Protozoa
 Nassellaria -
? Perseus sp.
? Perseus sp. Takemura and Nakaseko 1983 radiolarian
 Nassellaria - Eucyrtidiidae
Stichocapsa "sp. A"
Stichocapsa "sp. A" Haeckel 1881 radiolarian
sensu Yao, 1982
 Nassellaria - Farcidae
Farcus sp.
Farcus sp. Pessagno et al. 1986 radiolarian
 Nassellaria - Syringocapsidae
Podobursa sp., ? Katroma sp., Syringocapsa "sp. B"
Podobursa sp. Wisniowski 1889 radiolarian
? Katroma sp. Pessagno and Poisson 1981 radiolarian
Syringocapsa "sp. B" Neviani 1900 radiolarian
sensu Yao, 1982
 Nassellaria - Parvicingulidae
Dictyomitrella "sp. C"
Dictyomitrella "sp. C" Haeckel 1887 radiolarian
sensu Yao, 1982
 Nassellaria - Canoptidae
? Laxtorum "sp. A"
? Laxtorum "sp. A" Blome 1984 radiolarian
 Nassellaria - Hsuidae
Parahsuum sp., Parahsuum aff. longiconum, Parahsuum simplum, Parahsuum ovale
Parahsuum sp. Yao 1982 radiolarian
Parahsuum simplum Yao 1982 radiolarian
Parahsuum ovale Hori and Yao 1988 radiolarian
 Nassellaria - Ultranaporidae
Bipedis sp., Bipedis japonicus, Bipedis yaoi
Bipedis sp. De Wever 1982 radiolarian
Bipedis japonicus Gorican et al. 2006 radiolarian
Bipedis yaoi Gorican et al. 2006 radiolarian
 Entactinaria - Eptingiidae
Charlottea "sp. A ", Xenorum "sp. A"
Charlottea "sp. A " Carter et al. 1998 radiolarian
sensu Whalen & Carter 2002
Xenorum "sp. A" Blome 1984 radiolarian
 Entactinaria - Saturnalidae
"Kozurastrum "sp. 1"" = Hexasaturnalis
"Kozurastrum "sp. 1"" = Hexasaturnalis Kozur and Mostler 1983 radiolarian
 Spumellaria - Pantanelliidae
Gorgansium sp.
Gorgansium sp. Pessagno and Blome 1980 radiolarian