Tangiduval district (top Tangiduval Fm, middle-upper Bathonian boundary beds) (Jurassic of Uzbekistan)

Where: Uzbekistan (38.0° N, 66.7° E: paleocoordinates 36.9° N, 72.5° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Tangiduval Formation, Bathonian (168.3 - 166.1 Ma)

• Upper part of the Tangiduval Formation, boundary layers of the middle-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 187818: authorized by Matthew Clapham, entered by Matthew Clapham on 13.08.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Ammonitida - Oppeliidae
Oxycerites (Oxycerites) tenuis Mitta 1993 ammonite
"Oxycerites (Paroecotraustes) splendens" = Paroecotraustes splendens Arkell 1951 ammonite
 Ammonitida - Perisphinctidae
Procerites (Procerites) lissajousi Besnosov 1993 ammonite
"Gracilisphinctes (Gracilisphinctes) imitator" = Procerites imitator Buckman 1922 ammonite
Loboplanulites cerealiformis n. sp. Besnosov 1993 ammonite
Loboplanulites subkranaiformis n. sp. Besnosov 1993 ammonite