Old Zod Pass section, Radiolarians 2 (Jurassic of Armenia)

Where: Armenia (40.2° N, 45.8° E: paleocoordinates 30.5° N, 53.7° E)

• coordinate estimated from map

• hand sample-level geographic resolution

When: Toarcian (182.7 - 174.1 Ma)

• No formation name indicated

• bed-level stratigraphic resolution

Environment/lithology: basinal (); lithified, cherty/siliceous shale

Size class: microfossils

Collection methods: bulk, chemical

Primary reference: A. L. Knipper, M. A. Satian, and N. Yu Bragin. 1997. Upper Triassic-Lower Jurassic volcanogenis and sedimentary deposits fo the Old Zod Pass (Transcaucasia). Stratigraphy and Geological Correlation 5(3):257-264 [W. Kiessling/W. Kiessling]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 58580: authorized by Wolfgang Kiessling, entered by Wolfgang Kiessling on 15.02.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

Protozoa
 Entactinaria - Saturnalidae
Acanthocircus sp. Squinabol 1903 radiolarian
 Nassellaria - Parvicingulidae
"? Parvicingula gigantocornis" = Praeparvicingula gigantocornis, "Crubus cf. wilsonensis" = Elodium wilsonense
"? Parvicingula gigantocornis" = Praeparvicingula gigantocornis Kishida and Hisada 1985 radiolarian
"Crubus cf. wilsonensis" = Elodium wilsonense Carter et al. 1988 radiolarian
 Nassellaria - Hsuidae
? Hsuum sp. Pessagno 1977 radiolarian
Parahsuum sp. Yao 1982 radiolarian
 Spumellaria - Pantanelliidae
Trillus cf. elkhornensis Pessagno and Blome 1980 radiolarian
 Spumellaria - Angulobracchiidae
 Spumellaria - Gomberellidae
Bernoullius sp. Baumgartner 1984 radiolarian