Tasharvat kyariz, Bolshoi Balkhan (lower Tasharvat Fm) (Jurassic of Turkmenistan)

Where: Turkmenistan (39.8° N, 54.4° E: paleocoordinates 36.7° N, 60.5° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Tasharvat Formation, Parkinsoni (171.6 - 167.7 Ma)

• Lower Tasharvat svita

• 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 187880: authorized by Matthew Clapham, entered by Matthew Clapham on 14.08.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Ammonitida - Stephanoceratidae
Cadomites (Cadomites) tasharvaticus n. sp. Besnosov 1993 ammonite
Parkinsonia balakhanensis Khudjaev 1927 ammonite
Parkinsonia densicosta Quenstedt 1887 ammonite
 Ammonitida - Perisphinctidae
"Prorsisphinctes ex gr. meseres" = Prorsisphinctes (Prorsisphinctes) meseres
"Prorsisphinctes ex gr. meseres" = Prorsisphinctes (Prorsisphinctes) meseres Buckman 1923 ammonite