Iwayakannon (IY) Section, Inuyama, IYII27 (Jurassic to of Japan)

Where: Japan (35.4° N, 137.0° E: paleocoordinates 47.3° N, 147.0° E)

• coordinate stated in text

• small collection-level geographic resolution

When: Parahsuum simplum assemblage-zone zone, Sinemurian to Sinemurian (199.3 - 182.7 Ma)

• bed-level stratigraphic resolution

Environment/lithology: marine; black, gray, green, red, white chert and mudstone

• Rhytmically interbedded chert and mudstone. The color of the chert varies considerably, exhibiting green, gray, red, white and black hues.

Size class: microfossils

Primary reference: R. Hori. 1988. Some characteristic radiolarians from Lower Jurassic bedded cherts of the Inuyama area, Southwest Japan. Transactions and Proceedings of the Paleontological Society of Japan, N.S. 151:543-563 [J. Pálfy/A. Kocsis]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 119995: authorized by József Pálfy, entered by Adam Kocsis on 06.11.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Protozoa
 Nassellaria - Syringocapsidae
Syringocapsa coliforme, Katroma brevitubus
Syringocapsa coliforme Hori 1988 radiolarian
Katroma brevitubus Gorican et al. 2006 radiolarian
 Nassellaria - Canoptidae
? Laxtorum "sp. A"
? Laxtorum "sp. A" Blome 1984 radiolarian
 Nassellaria - Parvicingulidae
Dictyomitrella "sp. C"
Dictyomitrella "sp. C" Haeckel 1887 radiolarian
 Nassellaria - Ultranaporidae
Bipedis japonicus
Bipedis japonicus Gorican et al. 2006 radiolarian
 Spumellaria - Pantanelliidae
Gorgansium cf. gongyloideum
Conodonta
  -
Conodonta indet.