Sarykamysh district (top Tangiduval-base Baisun Fm) (Jurassic of Uzbekistan)

Where: Uzbekistan (37.7° N, 66.6° E: paleocoordinates 36.6° N, 72.4° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Bathonian (168.3 - 166.1 Ma)

• Top of the Tangiduval Formation or base of Baisun Formation; middle-upper Bathonian boundary beds (subcontractus-retrocostatum zone)

• 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 188481: authorized by Matthew Clapham, entered by Matthew Clapham on 04.09.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Ammonitida - Perisphinctidae
Gracilisphinctes (Prevalia) thressa Stephanov 1972 ammonite