Katsuyama (UF) Section, Inuyama, T/J-0 (Jurassic of Japan)

Where: Japan (35.4° N, 136.9° E: paleocoordinates 47.5° N, 146.4° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Pantanellium tanuense zone, Early/Lower Hettangian (201.3 - 196.5 Ma)

• group of beds-level stratigraphic resolution

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

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

Size class: microfossils

Preservation: original silica

Collection methods: chemical, hydroflouric,

Primary reference: E. S. Carter and R. S. Hori. 2005. Global correlation of the radiolarian faunal change across the Triassic-Jurassic boundary. Canadian Journal of Earth Sciences 42(5):777-790 [W. Kiessling/M. Riess]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 54227: authorized by Wolfgang Kiessling, entered by Martin Riess on 27.09.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Protozoa
 Actinommacea - Xiphostylidae
Archaeocenosphaera laseekensis
Archaeocenosphaera laseekensis Pessagno et al. 1989 radiolarian
 Nassellaria - Hsuidae
Parahsuum sp.
Parahsuum sp. Yao 1982 radiolarian
 Nassellaria - Livarellidae
Livarella sp.
Livarella sp. Kozur and Mostler 1981 radiolarian
 Nassellaria - Ultranaporidae
Bipedis sp.
Bipedis sp. De Wever 1982 radiolarian
Jurassic type Bipedis
 Entactinaria - Saturnalidae
Praehexasaturnalis tetraradiatus
Praehexasaturnalis tetraradiatus Kozur and Mostler 1990 radiolarian
 Entactinaria - Eptingiidae
Charlottea sp.
Charlottea sp. Carter et al. 1998 radiolarian
 Spumellaria - Spongodiscidae
? Spongotrochus sp.
? Spongotrochus sp. Haeckel 1860 radiolarian
 Spumellaria - Pantanelliidae
Pantanellium tanuense
Pantanellium tanuense Pessagno and Blome 1980 radiolarian