Where: Russian Federation (44.3° N, 40.7° E: paleocoordinates 38.5° N, 46.7° E)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Dzhor Formation, Subfurcatum (171.6 - 167.7 Ma)
• Lower upper part of Dzhor 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 187934: authorized by Matthew Clapham, entered by Matthew Clapham on 17.08.2017
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Leptosphinctes (Cleistosphinctes) nikanorovae n. sp., Leptosphinctes (Leptosphinctes) coronarius, Leptosphinctes (Leptosphinctes) leptus
Leptosphinctes (Cleistosphinctes) nikanorovae n. sp. Besnosov 1993 ammonite
Leptosphinctes (Leptosphinctes) coronarius Buckman 1921 ammonite
Leptosphinctes (Leptosphinctes) leptus Buckman 1920 ammonite |