Koreyskaya River, 22 m (Jurassic of Russian Federation)

Where: Primorskiy Kray, Russian Federation (43.3° N, 134.2° E: paleocoordinates 45.3° N, 137.7° E)

• coordinate based on nearby landmark

• hand sample-level geographic resolution

When: Gorbousha Group, Early/Lower Tithonian (150.8 - 145.0 Ma)

• sample C-74, Xitus gifuensis assemblage

• bed-level stratigraphic resolution

Environment/lithology: deep-water; lithified chert

• greenish grey clayish chert

Size class: microfossils

Primary reference: I. V. Kemkin, M. Kametaka, and S. Kojima. 1999. Radiolarian biostratigraphy for transitional facies of chert-clastic sequence of the Taukha Terrane in the Koreyskaya River area, southern Sikhote-Alin, Russia. The Journal of Earth and Planetary Sciences 46:29-47 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 92746: authorized by Wolfgang Kiessling, entered by Uta Merkel on 27.11.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Protozoa
 Nassellaria - Williriedellidae
Zhamoidellum sp., Zhamoidellum ovum
Zhamoidellum sp. Dumitrica 1970 radiolarian
Zhamoidellum ovum Dumitrica 1970 radiolarian
 Nassellaria - Eucyrtiidae
"Sethocapsa horokanaiensis" = Tetracapsa horokanaiensis
"Sethocapsa horokanaiensis" = Tetracapsa horokanaiensis Kawabata 1988 radiolarian
 Nassellaria - Pseudodictyomitridae
"Pseudodictyomitra primitiva" = Loopus primitivus, Pseudodictyomitra ex gr. nuda
"Pseudodictyomitra primitiva" = Loopus primitivus Matsuoka and Yao 1985 radiolarian
Pseudodictyomitra ex gr. nuda Schaaf 1981 radiolarian
 Nassellaria - Xitidae
Xitus sp., Xitus cf. spicularius, Xitus gifuensis
Xitus sp. Pessagno 1977 radiolarian
Xitus cf. spicularius Aliev 1961 radiolarian
Xitus gifuensis Mizutani 1981 radiolarian
 Nassellaria - Eucyrtidiidae
Stichomitra sp., Stichomitra japonica, Stichocapsa sp., Stichocapsa altiforamina, Stichocapsa ex gr. cribata, Stichocapsa ex gr. mediocris
Stichomitra sp. Cayeux 1897 radiolarian
Stichocapsa sp. Haeckel 1881 radiolarian
 Nassellaria - Archaeodictyomitridae
Thanarla brouweri, Archaeodictyomitra sp.
Thanarla brouweri Tan Sin Hok 1927 radiolarian
Archaeodictyomitra sp. Pessagno 1977 radiolarian
 Nassellaria - Unumidae
Protunuma japonicus
Protunuma japonicus Matsuoka and Yao 1985 radiolarian
 Nassellaria - Syringocapsidae
Podobursa sp., Podobursa triacantha
Podobursa sp. Wisniowski 1889 radiolarian
Podobursa triacantha Fischli 1916 radiolarian
 Nassellaria - Spongocapsulidae
Spongocapsula obesa, Spongocapsula perampla
Spongocapsula perampla Rüst 1885 radiolarian
 Nassellaria - Canoptidae
Cinguloturris sp., Cinguloturris primorika, Cinguloturris cylindra
Cinguloturris sp. Dumitrica and Mello 1982 radiolarian
Cinguloturris primorika Kemkin and Taketani 2004 radiolarian
Cinguloturris cylindra Kemkin and Rudenko 1993 radiolarian
 Nassellaria - Parvicingulidae
Parvicingula mashitaensis, Mirifusus dianae, Ristola altissima
Parvicingula mashitaensis Mizutani 1981 radiolarian
Mirifusus dianae radiolarian
subsp. minor
Ristola altissima Rüst 1885 radiolarian
 Nassellaria - Sethocapsidae
Sethocapsa sp.
Sethocapsa sp. Haeckel 1881 radiolarian
 Actinommacea - Xiphostylidae
Triactoma blakei
Triactoma blakei Pessagno 1977 radiolarian
 Spumellaria - Angulobracchiidae
Paronaella sp.
Paronaella sp. Pessagno 1971 radiolarian
 Spumellaria - Archaeospongoprunidae
Archaeospongoprunum sp.
Archaeospongoprunum sp. Pessagno 1973 radiolarian
 Spumellaria - Emiluviidae
Emiluvia sp.
Emiluvia sp. Foreman 1973 radiolarian