Top of Unit 11 of the Evtropina Fm, Upper Devonian of Northern Urals (Devonian of Russian Federation)

Where: Northern Urals, Russian Federation (62.7° N, 54.4° E: paleocoordinates 7.7° N, 12.6° E)

• outcrop-level geographic resolution

When: upper Palmatolepis crepida zone, Evtropina Formation, Early/Lower Famennian (376.1 - 370.6 Ma)

• "Evtropiny Noski outcrop is about 330m in length and is formed by a simple, wide syncline, the eastern limb of which is faulted just to the east of the synclinal axis."

Environment/lithology: deep subtidal; green shale

• "Evtropina Formation is interpreted as a relatively deep-water, bathyal sequence."

Primary reference: V. N. Puchkov, G. Klapper, and T. V. Mashkova. 1981. Natural Assemblages of Palmatolepis from the Upper Devonian of the Northern Urals. Acta Palaeontologica Polonica 26(3-4):281-298 [A. Miller/J. Sessa/A. Miller]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 12335: authorized by Arnold Miller, entered by Jocelyn Sessa on 25.10.2001

Creative Commons license: CC BY (attribution)

Taxonomic list

• Taxa are listed as present in the text.
Show authors, comments, and common names
unclassified
  -
? Spongoentactiinae indet., Entactinisphaera cf. aitpaensis, Evolutina elementa
Protozoa
 Entactinaria - Entactiniidae
"Entactinia sp." = Stigmosphaerostylus
"Entactinia sp." = Stigmosphaerostylus Rüst 1892 radiolarian
 Entactinaria - Pylentonemidae
Polyentactinia sp.
Polyentactinia sp. Foreman 1963 radiolarian
Foraminifera
 Nodosinellacea - Earlandinitidae
Tikhinella sp.
 Fusulinina - Parathuramminidae
Parathurammina paracushmani
Conodonta
 Ozarkodinida - Palmatolepidae
Palmatolepis perlobata, Palmatolepis subperlobata, Palmatolepis tenuipunctata, Palmatolepis minuta, Palmatolepis cf. glabra
Palmatolepis perlobata conodont
Palmatolepis perlobata schindewolfi
Palmatolepis minuta conodont
Palmatolepis minuta minuta
Palmatolepis cf. glabra Ulrich and Bassler 1926 conodont