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 | |
Alveolites kalvicae tabulate coral | |
Coenites flagellaris tabulate coral | |
Favosites sachaninensis tabulate coral
Squameofavosites frequens tabulate coral
Squameofavosites arcticus tabulate coral | |
Zonophyllum dierectum, Pseudomicroplasma salairica, Pseudodigonophyllum bulvankerae, Lythophyllum kuznetskiense
Zonophyllum dierectum horn coral
Pseudomicroplasma salairica horn coral
Pseudodigonophyllum bulvankerae horn coral
Lythophyllum kuznetskiense horn coral | |
Loboplasma cylindrica horn coral
Loboplasma multilobata horn coral | |
Rhizophyllum ex gr. enorme horn coral | |
Papiliophyllum bondarevi horn coral | |
Camurophyllum camurum horn coral | |
Pseudotryplasma altaica horn coral | |
Xystriphyllum uralicum horn coral
Xystriphyllum dunstani Etheridge 1911 horn coral
Lyrielasma columna horn coral | |
Spongophyllum schluteri horn coral | |
Conodonta | |
Polygnathus dehiscens conodont
Pandorinellina exigua conodont | |
Icriodus sigmoidalis conodont | |
Stenolaemata | |
Anomalotoechus sp. Duncan 1939 | |
Rhynchonellata | |
Strophomenata | |
Phragmostrophia aff. merriami Harper et al. 1967 | |
Tentaculita | |
Bivalvia | |
Mytilarca similis clam | |
Pteria (Actinopteria) peroblica pearl oyster | |
"Pterinea (Cornellites) lodanensis" = Cornellites
"Pterinea (Cornellites) lodanensis" = Cornellites oyster | |
Paracyclas (Paracyclas) proavia Goldfuss 1834 clam | |
Modiolopsis chapmani clam | |
Sphenotus solenoides Hall 1870 clam | |
Trilobita | |
Terranovia nalivkini Maximova 1977 trilobite | |
Schizoproetina borealis Maksimova 1960 trilobite |