Rudnaya River, Dal'negorsk, 7.5 m (Jurassic of Russian Federation)

Where: Primorskiy Kray, Russian Federation (44.6° N, 135.6° E: paleocoordinates 47.4° N, 142.2° E)

• coordinate based on nearby landmark

• hand sample-level geographic resolution

When: Gorbousha Group, Bajocian (170.3 - 168.3 Ma)

• sample P-11, Hsuum mirabundum assemblage, Middle Bajocian

• bed-level stratigraphic resolution

Environment/lithology: deep-water; lithified chert

• blue-grey chert

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 92802: authorized by Wolfgang Kiessling, entered by Uta Merkel on 30.11.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Protozoa
 Nassellaria - Hsuidae
Parahsuum aff. natorense, Parahsuum aff. hiconocosta, Hsuum sp., Hsuum matsuokai
Parahsuum aff. hiconocosta Baumgartner and De Wever 1995 radiolarian
Hsuum sp. Pessagno 1977 radiolarian
Hsuum matsuokai Isozaki and Matsuda 1985 radiolarian
 Spumellaria - Spongodiscidae
Haliodictya sp.
Haliodictya sp. Hojnos 1916 radiolarian
 Spumellaria - Emiluviidae
Emiluvia sp.
Emiluvia sp. Foreman 1973 radiolarian