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