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: Pandorinellina exigua exigua conodont zone, Valnev Formation, Pragian (410.8 - 407.6 Ma)
• Upper part of Valnev Horizon corresponds to the Nymphorhynchia pseudolivonia 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 shale
Size classes: macrofossils, mesofossils, microfossils
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 40701: authorized by Michael Foote, entered by Michael Foote on 28.06.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Pribilina aff. inaequicostata Pribylina is valid name of an ostracode; this is listed under trilobites
| |
Trilobita | |
Denemarkia cf. frontalis Hawle and Corda 1847 trilobite | |
Wolayella polaris Maksimova 1977 trilobite
Schizoproetina borealis Maksimova 1960 trilobite | |
Bivalvia | |
Nuculoidea niotica nut clam | |
Tentaculita | |
Stenolaemata | |
Rhynchonellata | |
Conodonta | |
Icriodus sigmoidalis conodont | |
Pandorinellina exigua conodont
Polygnathus dehiscens conodont | |
Anthozoa | |
Lyrielasma columna horn coral | |
Camurophyllum reticulatum horn coral | |
"Lythophyllum originale" = Lythophyllum, "Patridophyllum obliterum" = Lythophyllum, Zonophyllum polaricum
"Lythophyllum originale" = Lythophyllum horn coral
"Patridophyllum obliterum" = Lythophyllum horn coral
Zonophyllum polaricum horn coral | |
Alveolites distinctus tabulate coral | |
Squameofavosites arcticus tabulate coral
Favosites ex gr. goldfussi Lecompte 1939 tabulate coral |