Where: Russian Federation (42.5° N, 46.6° E: paleocoordinates 37.9° N, 52.5° E)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Tsudakhar Formation, Subfurcatum (171.6 - 167.7 Ma)
• Base of the Tsudakhar Formation
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified lithology not reported
Size class: macrofossils
Collection methods: Repository: Vserossiyskiy Nauchno-Issledovatel'skiy Geologicheskiy Neftyanoy Institut (VNIGRI)
Primary reference: N. V. Besnosov and V. V. Mitta. 1993. Pozdnebayosskie i Batskie Ammonitidy Severnogo Kavkaza i Sredney Azii 1-347 [M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 187879: authorized by Matthew Clapham, entered by Matthew Clapham on 14.08.2017
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Caumontisphinctes (Infraparkinsonia) inferior, Caumontisphinctes (Caumontisphinctes) aplous, Caumontisphinctes (Caumontisphinctes) bifurcus, Caumontisphinctes (Caumontisphinctes) diniensis
Caumontisphinctes (Infraparkinsonia) inferior Bentz 1925 ammonite
Caumontisphinctes (Caumontisphinctes) aplous Buckman 1921 ammonite
Caumontisphinctes (Caumontisphinctes) bifurcus Buckman 1920 ammonite
Caumontisphinctes (Caumontisphinctes) diniensis Pavia 1971 ammonite | |
Leptosphinctes (Leptosphinctes) coronarius, Bajocisphinctes (Bajocisphinctes) gurami, Praebigotites (Praebigotites) constrictus n. sp.
Leptosphinctes (Leptosphinctes) coronarius Buckman 1921 ammonite
Bajocisphinctes (Bajocisphinctes) gurami Kakadze and Zeshashvili 1956 ammonite
Praebigotites (Praebigotites) constrictus n. sp. Besnosov 1993 ammonite | |
Cadomites (Cadomites) lissajousi Roche 1939 ammonite |