Katsuyama (UF) Section, Inuyama, UFI23 (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 120195: 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
"Mesosaturnalis hexagonus" = Hexasaturnalis hexagonus3 Yao 1972 radiolarian
 Nassellaria - Hsuidae
? Parahsuum grande3, Hsuum sp.3, "Hsuum aff. hisuikyoense" = Transhsuum hisuikyoense3
? Parahsuum grande3 radiolarian
Hsuum sp.3 Pessagno 1977 radiolarian
"Hsuum aff. hisuikyoense" = Transhsuum hisuikyoense3 Isozaki and Matsuda 1985 radiolarian
 Nassellaria - Sethocapsidae
Archicapsa pachyderma3
 Nassellaria -
Ares "sp. A"2
Ares "sp. A"2 De Wever 1982 radiolarian
 Spumellaria - Pantanelliidae
Trillus cf. elkhornensis3
Trillus cf. elkhornensis3 Pessagno and Blome 1980 radiolarian
 Spumellaria - Parasaturnalidae
Parasaturnalis diplocyclis1
Parasaturnalis diplocyclis1 Yao 1972 radiolarian
1Carter et al. 2010; 2Gorican et al. 2006; 3Hori 1992