Rudnaya River, Dal'negorsk, 11 m (Jurassic to of Russian Federation)

Where: Primorskiy Kray, Russian Federation (44.6° N, 135.6° E: paleocoordinates 46.8° N, 140.9° E)

• coordinate based on nearby landmark

• hand sample-level geographic resolution

When: Gorbousha Group, Middle Bathonian to Middle Bathonian (167.7 - 161.2 Ma)

• sample P-7, Triactoma tithonianum assemblage

• bed-level stratigraphic resolution

Environment/lithology: deep-water; lithified chert

• greenish-grey cherts just below the bottom of the cherty mudstones

Size class: microfossils

Primary reference: I. V. Kemkin and R. A. Kemkina. 1999. Radiolarian biostratigraphy of the Jurassic-Early Cretaceous chert-clastic sequence in the Taukha Terrane (south Sikhote-Alin, Russia). Geodiversitas 21(4):675-685 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 92816: authorized by Wolfgang Kiessling, entered by Uta Merkel on 01.12.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

Protozoa
 Actinommacea - Xiphostylidae
Triactoma tithonianum RĂ¼st 1885 radiolarian
 Nassellaria - Eucyrtidiidae
Stichocapsa sp. Haeckel 1881 radiolarian
Stichocapsa japonica Yao 1979 radiolarian
 Nassellaria - Williriedellidae
"Tricolocapsa aff. plicarum" = Striatojaponocapsa plicarum, Tricolocapsa sp.
"Tricolocapsa aff. plicarum" = Striatojaponocapsa plicarum Yao 1979 radiolarian
Tricolocapsa sp. Haeckel 1881 radiolarian
 Nassellaria - Sethocapsidae
Archicapsa sp. Haeckel 1881 radiolarian
 Nassellaria - Hsuidae
Hsuum sp., "Transhsuum cf. medium" = Hsuum medium
Hsuum sp. Pessagno 1977 radiolarian
"Transhsuum cf. medium" = Hsuum medium Takemura 1986 radiolarian