Where: Turkmenistan (39.7° N, 54.4° E: paleocoordinates 36.2° N, 60.2° E)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Clydoniceras discus ammonoid zone, Koshadjulba Formation, Late/Upper Bathonian (167.7 - 164.7 Ma)
• Middle part of Koshadjulba Svita
• 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 187354: authorized by Matthew Clapham, entered by Matthew Clapham on 23.07.2017
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Lissoceras (Microlissoceras) minimum Djanelidze 1932 ammonite
Lissoceras (Lissoceras) voultense Oppel 1865 ammonite | |
Oxycerites (Oxycerites) aff. tenuis Mitta 1993 ammonite | |
"Clydoniceras (Clydoniceras) discus" = Clydoniceras discus
"Clydoniceras (Clydoniceras) discus" = Clydoniceras discus Sowerby 1813 ammonite |