Sample 757-6, Nauchirinay River Basin, Koryak Mountains (Jurassic to of Russian Federation)

Where: Russian Federation (63.8° N, 175.1° E: paleocoordinates 74.5° N, 102.8° W)

• coordinate estimated from map

• hand sample-level geographic resolution

When: Late/Upper Kimmeridgian to Late/Upper Kimmeridgian (155.7 - 145.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: basinal (siliceous); lithified chert

• Siliceous rock

Size class: microfossils

Collection methods: bulk, chemical,

Primary reference: V. S. Vishnevskaya and B. L. Murchey. 2002. Climatic affinity and possible correlation of some Jurassic to Lower Cretaceous radiolarian assemblages from Russia and North America. Micropaleontology 48(S1):89-111 [W. Kiessling/W. Kiessling/W. Kiessling]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 51290: authorized by Wolfgang Kiessling, entered by Wolfgang Kiessling on 02.06.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Protozoa
 Nassellaria - Amphipyndacidae
Triversus cf. fastigatus Hull 1997 radiolarian
 Nassellaria - Parvicingulidae
Mirifusus guadalupensis Pessagno 1977 radiolarian
Mirifusus mediodilatatus RĂ¼st 1885 radiolarian
includes ssp. baileyi
"Praeparvicingula "sp. B"" = Praeparvicingula Pessagno et al. 1993 radiolarian
sensu Kiessling (1999)
Praeparvicingula cf. schoolhousensis Pessagno and Whalen 1982 radiolarian
listed as Parvicingula schoolhousensis
"Praecaneta cf. cosmonica" = Praeparvicingula radiolarian
listed as Parvicingula cf. cosmonica (Foreman)
Parvicingula ex gr. khabakovi radiolarian
listed as Parvicingula ex gr. khabakovi
Parvicingula jonesi Pessagno 1977 radiolarian
Parvicingula elegans Pessagno and Whalen 1982 radiolarian
Parvicingula cf. dhimenaensis Baumgartner 1984 radiolarian
should be a Xitidae