Katsuyama (UF) Section, Inuyama, UFI22 (Jurassic of Japan)

Where: Japan (35.4° N, 137.0° E: paleocoordinates 44.4° N, 143.4° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Early/Lower Aalenian (175.6 - 171.6 Ma)

• Parahsuum? grande assemblage-zone

• group of beds-level stratigraphic resolution

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

Size class: microfossils

Preservation: original silica

Collection methods: chemical, hydroflouric

Primary reference: R. Hori. 1990. Lower Jurassic Radiolarian Zones of SW Japan. Transactions and Proceedings of the Paleontological Society of Japan, N.S. 159:562-586 [J. Pálfy/A. Kocsis]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 120194: 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 - Eucyrtidiidae
Stichocapsa aff. japonica
Stichocapsa aff. japonica Yao 1979 radiolarian
 Nassellaria -
Ares "sp. A"2
Ares "sp. A"2 De Wever 1982 radiolarian
 Nassellaria - Sethocapsidae
Archicapsa pachyderma
 Nassellaria - Eucyrtidiellidae
Eucyrtidiellum ex gr. disparile1
 Nassellaria - Parvicingulidae
Parvicingula sp.3, Elodium pessagnoi1
Parvicingula sp.3 Pessagno 1977 radiolarian
Elodium pessagnoi1 radiolarian
 Nassellaria - Canoptidae
? Laxtorum jurassicum
? Laxtorum jurassicum Isozaki and Matsuda 1985 radiolarian
 Nassellaria - Hsuidae
"Hsuum aff. hisuikyoense" = Transhsuum hisuikyoense, ? Parahsuum grande, Hsuum busuangaense1, Hsuum philippinense1, Hsuum exiguum1, Hsuum altile3
"Hsuum aff. hisuikyoense" = Transhsuum hisuikyoense Isozaki and Matsuda 1985 radiolarian
? Parahsuum grande radiolarian
Hsuum busuangaense1 radiolarian
Hsuum philippinense1 radiolarian
Hsuum exiguum1 radiolarian
Hsuum altile3 Hori and Otsuka 1989 radiolarian
 Nassellaria - Ultranaporidae
? Napora sp.3
? Napora sp.3 Pessagno 1977 radiolarian
 Entactinaria - Saturnalidae
Spongosaturninus bispinus1, "Mesosaturnalis hexagonus" = Hexasaturnalis hexagonus3
Spongosaturninus bispinus1 Yao 1972 radiolarian
"Mesosaturnalis hexagonus" = Hexasaturnalis hexagonus3 Yao 1972 radiolarian
 Spumellaria - Praeconocaryommidae
? Praeconocaryomma sp.3, Praeconocaryomma ex gr. decora1
? Praeconocaryomma sp.3 Pessagno 1976 radiolarian
Praeconocaryomma ex gr. decora1 Yeh 1987 radiolarian
 Spumellaria - Pantanelliidae
Trillus sp.3, Trillus elkhornensis1, Zartus sp.3
Trillus sp.3 Pessagno and Blome 1980 radiolarian
Trillus elkhornensis1 Pessagno and Blome 1980 radiolarian
Zartus sp.3 Pessagno and Blome 1980 radiolarian
1Carter et al. 2010; 2Gorican et al. 2006; 3Hori 1992