Where: Uzbekistan (38.2° N, 67.0° E: paleocoordinates 37.2° N, 72.7° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Bathonian (168.3 - 166.1 Ma)

• Top of Tangiduval formation or base of Baisun Fm; 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 188469: authorized by Matthew Clapham, entered by Matthew Clapham on 03.09.2017

Creative Commons license: CC BY (attribution)