Ogrydag range, Tuarkyr (basal upper third Ogrydag Fm) (Jurassic of Turkmenistan)

Where: Turkmenistan (40.8° N, 55.5° E: paleocoordinates 37.5° N, 61.0° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Zigzag ammonoid zone, Ogrydag Formation, Early/Lower Bathonian (167.7 - 164.7 Ma)

• Basal part of upper third of Ogrydag Formation

• 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 188435: authorized by Matthew Clapham, entered by Matthew Clapham on 31.08.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Ammonitida - Perisphinctidae
Procerites (Procerites) fowleri, "Procerites (Procerites) laeviplex" = Procerites laeviplex
Procerites (Procerites) fowleri Arkell 1958 ammonite
"Procerites (Procerites) laeviplex" = Procerites laeviplex Quenstedt 1887 ammonite