Where: Arkhangel'skaya Oblast', Russian Federation (72.0° N, 52.0° E: paleocoordinates 3.1° N, 0.4° W)
• coordinate estimated from map
• basin-level geographic resolution
When: Valnev Horizon Formation, Pragian (410.8 - 407.6 Ma)
• Lower part of Valnev Horizon corresponds to the Nordotoechia tumida/Taimyrrhynx polaris Lona. "A Lona is a regional taxonomic unit, subordinate to a horizon and corresponding to a minor phase in the development of the basin and in the evolution of the organic world."
• formation-level stratigraphic resolution
Environment/lithology: marine; dolomitic limestone and grainstone
Collection methods: Faunal list from Fig. 3
Primary reference: S. V. Cherkesova. 1988. Lower and Middle Devonian marine deposits of the Soviet arctic and the correlation with arctic Canada. In N. J. McMillan, A. F. Embry, and D. J. Glass (eds.), Devonian of the World, Volume III 669-679 [M. Foote/M. Foote/P. Wagner]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 40700: authorized by Michael Foote, entered by Michael Foote on 28.06.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Anthozoa | |
Spongophyllum schluteri horn coral | |
"Ptenophyllum irgislense" = Acanthophyllum, Lyrielasma columna, Xystriphyllum uralicum, Xystriphyllum dunstani
"Ptenophyllum irgislense" = Acanthophyllum horn coral
Lyrielasma columna horn coral
Xystriphyllum uralicum horn coral
Xystriphyllum dunstani Etheridge 1911 horn coral | |
Papiliophyllum bondarevi horn coral | |
Camurophyllum camurum horn coral | |
Pseudotryplasma altaica horn coral | |
Loboplasma cylindrica horn coral
Loboplasma multilobata horn coral | |
Lythophyllum kuznetskiense, Pseudodigonophyllum bulvankerae, Pseudomicroplasma salairica, Zonophyllum dierectum
Lythophyllum kuznetskiense horn coral
Pseudodigonophyllum bulvankerae horn coral
Pseudomicroplasma salairica horn coral
Zonophyllum dierectum horn coral | |
Rhizophyllum ex gr. enorme horn coral | |
Favosites sachaninensis tabulate coral
Squameofavosites frequens tabulate coral
Squameofavosites arcticus tabulate coral | |
Coenites flagellaris tabulate coral | |
Alveolites kalvicae tabulate coral | |
Conodonta | |
Icriodus sigmoidalis conodont | |
Polygnathus dehiscens conodont
Pandorinellina exigua conodont | |
Strophomenata | |
Phragmostrophia aff. merriami Harper et al. 1967 | |
Rhynchonellata | |
Stenolaemata | |
Anomalotoechus sp. Duncan 1939 | |
Tentaculita | |
Bivalvia | |
Modiolopsis chapmani clam | |
Sphenotus solenoides Hall 1870 clam | |
Paracyclas (Paracyclas) proavia Goldfuss 1834 clam | |
"Pterinea (Cornellites) lodanensis" = Cornellites
"Pterinea (Cornellites) lodanensis" = Cornellites oyster | |
Pteria (Actinopteria) peroblica pearl oyster | |
Mytilarca similis clam | |
Trilobita | |
Schizoproetina borealis Maksimova 1960 trilobite | |
Terranovia nalivkini Maximova 1977 trilobite |