Where: Russian Federation (73.4° N, 113.8° E: paleocoordinates 75.7° N, 91.6° E)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Quadrifidus ammonoid zone, Early/Lower Valanginian (140.2 - 136.4 Ma)
• bed-level stratigraphic resolution
Environment/lithology: marine; lithified shale
Size class: macrofossils
Collected by Bogomolov in 1980
Primary reference: Y. I. Bogomolov. 1989. Poliptikhity (Ammonity) i biostratigrafiya boreal'nogo Valanzhina. Akademiya Nauk SSSR, Sibirskoe Otdelenie Trudy Instituta Geologii I Geofiziki 696:1-199 [M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 189622: authorized by Matthew Clapham, entered by Matthew Clapham on 03.11.2017
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
Eucyclus cf. kloosi snail | |
Bivalvia | |
Homomya sp. Agassiz 1843 clam | |
Buchia inflata Toula 1888 scallop | |
Limatula sp. Wood 1839 file clam | |
Cephalopoda | |
Acroteuthis sp. Stolley 1911 belemnite | |
Tollia (Neotollia) klimovskiensis, Tollia (Neotollia) sp., Euryptychites (Propolyptychites) arcticus
Tollia (Neotollia) klimovskiensis ammonite
Tollia (Neotollia) sp. Pavlow 1914 ammonite
Euryptychites (Propolyptychites) arcticus Shulgina 1983 ammonite |