Chaaldzha Mountain, western Kopetdag (polyplocum zone) (Cretaceous of Turkmenistan)

Where: Turkmenistan (39.0° N, 55.5° E: paleocoordinates 31.0° N, 50.8° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Bostrychoceras polyplocum ammonoid zone, Late/Upper Campanian (83.5 - 70.6 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Collection methods: Repository: Central Scientific Research Exploration Museum Academician F.N. Chernyshev (TsNIGR)

Primary reference: A. A. Atabekyan and F. K. Khakimov. 1976. Kampanskie i Maastrikhtskie ammonity sredney Azii 1-146 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 185092: authorized by Matthew Clapham, entered by Matthew Clapham on 09.04.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

 Ammonitida - Nostoceratidae
Bostrychoceras polyplocum Roemer 1841 ammonite