Rudnaya River, Dal'negorsk, 6.5 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-13, 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 92800: 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 - Ultranaporidae
Napora sp., Napora cf. pyramidalis
Napora sp. Pessagno 1977 radiolarian
Napora cf. pyramidalis Baumgartner 1984 radiolarian
 Nassellaria - Hsuidae
Parahsuum cf. natorense, Parahsuum cf. hiconocosta, Hsuum sp., Hsuum matsuokai, Hsuum cf. mirabundum
Parahsuum cf. hiconocosta Baumgartner and De Wever 1995 radiolarian
Hsuum sp. Pessagno 1977 radiolarian
Hsuum matsuokai Isozaki and Matsuda 1985 radiolarian
Hsuum cf. mirabundum Pessagno and Whalen 1982 radiolarian
 Nassellaria - Parvicingulidae
Canoptum sp., Parvicingula sp., "Parvicingula cf. nanoconica" = Praeparvicingula nanoconica
Canoptum sp. Pessagno et al. 1979 radiolarian
Parvicingula sp. Pessagno 1977 radiolarian
"Parvicingula cf. nanoconica" = Praeparvicingula nanoconica Hori and Otsuka 1989 radiolarian
 Nassellaria - Sethocapsidae
Archicapsa sp.
Archicapsa sp. Haeckel 1881 radiolarian
 Actinommacea - Xiphostylidae
Tripocyclia sp., Triactoma sp., Triactoma cf. jakobsae
Tripocyclia sp. Haeckel 1881 radiolarian
Triactoma sp. Rüst 1885 radiolarian
 Spumellaria - Tritrabidae
Tritrabs sp.
Tritrabs sp. Baumgartner 1980 radiolarian
 Spumellaria - Emiluviidae
Emiluvia sp., Emiluvia splendida
Emiluvia sp. Foreman 1973 radiolarian
Emiluvia splendida Carter 1988 radiolarian