Southern slope of Mount Isak (unit 5) (Cretaceous of Turkmenistan)

Where: Turkmenistan (38.5° N, 56.3° E: paleocoordinates 32.7° N, 52.2° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

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

• Upper part of the Mantelliceras mantelli zone. 105 m above the base of the 7th layer and 44 m above the level of specimen 73, from the upper part of unit 5.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified claystone

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 186705: authorized by Matthew Clapham, entered by Matthew Clapham on 01.07.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Ammonitida - Turrilitidae
Hypoturrilites mantelli Sharpe 1857 ammonite
Hypoturrilites gravesianus d'Orbigny 1842 ammonite