Chalsu Gorge, western Kopetdag (middle of package 6) (Cretaceous of Turkmenistan)

Where: Turkmenistan (38.8° N, 56.2° E: paleocoordinates 33.0° N, 52.1° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Mantelliceras mantelli ammonoid zone, Early/Lower Cenomanian (99.6 - 93.5 Ma)

• Lower part of Mantelliceras mantelli zone (includes specimens 175-184).

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified lithology not reported

Size class: macrofossils

Collection methods: Repository: Central Geological and Prospecting Museum, St. Petersburg (TsGM)

Primary reference: A. A. Atabekyan. 1985. Turrilitidy pozdnego Al'ba i Cenomana yuga SSSR. Akademiya Nauk SSSR, Ministerstvo Geologii SSSR, Mezhvedomstvennyy Stratigraficheskiy Komitet SSSR, Trudy 14:1-111 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 186724: authorized by Matthew Clapham, entered by Matthew Clapham on 02.07.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

 Ammonitida - Turrilitidae
Hypoturrilites tuberculatus Bosc 1801 ammonite
Hypoturrilites gravesianus d'Orbigny 1842 ammonite
Hypoturrilites intersignus Atabekyan 1985 ammonite