Where: Uzbekistan (37.7° N, 66.6° E: paleocoordinates 36.6° N, 72.4° E)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Bathonian (168.3 - 166.1 Ma)
• Top of the Tangiduval Formation to base of Baisun Formation. Boundary beds between middle and upper Bathonian.
• 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 188467: authorized by Matthew Clapham, entered by Matthew Clapham on 03.09.2017
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
"Gracilisphinctes (Prevalia) verciacensis" = Procerites verciacensis, Gracilisphinctes (Gracilisphinctes) suprapalatinus, Gracilisphinctes (Prevalia) thressa
"Gracilisphinctes (Prevalia) verciacensis" = Procerites verciacensis Lissajous 1923 ammonite
Gracilisphinctes (Gracilisphinctes) suprapalatinus Arkell 1952 ammonite
Gracilisphinctes (Prevalia) thressa Stephanov 1972 ammonite | |
Kheraiceras (Kheraiceras) cf. subcosmopolitus Lissajous 1923 ammonite
Bullatimorphites (Sphaeroptychius) ellipticus Krystyn 1972 ammonite |