Zurchiertsek Valley (Jurassic of Tajikistan)

Where: Gorno-Badakhshan, Tajikistan (37.9° N, 73.1° E: paleocoordinates 30.4° N, 68.7° E)

• coordinate based on political unit

When: Lower Member (Gurumdy Formation), Pliensbachian (190.8 - 182.7 Ma)

Environment/lithology: open shallow subtidal; lithified wackestone and lithified, argillaceous schist

• "contains dark, medium and thick-bedded lime-stones lacking organic structures, as well as detrital lime-stones with abundant faunal remains, marls and interbedded argillaceous schists." and "dark-grey, micritic limestones containing abundant fragments of coral skeletons of diverse solitary and phaceloid forms"

Size class: macrofossils

Collection methods: peel or thin section,

Primary reference: G. K. Melnikova and E. Roniewicz. 2020. Lower Jurassic corals from the Pamir Mountains, Central Asia. Paleoworld 30(3):461-494 [W. Kiessling/A. Watson]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 234062: authorized by Wolfgang Kiessling, entered by Alissa Watson on 15.03.2024

Creative Commons license: CC BY (attribution)

Taxonomic list

• Only corals reported. Bivalves, brachiopods and rare ammonites were reported to be present.
Anthozoa
 Scleractinia - Actinastreidae
Sedekastrea djalilovi n. gen. n. sp., Protostephanastrea leveni n. gen. n. sp.
Sedekastrea djalilovi n. gen. n. sp. Melnikova and Roniewicz 2020 stony coral
Protostephanastrea leveni n. gen. n. sp. Melnikova and Roniewicz 2020 stony coral
 Scleractinia - Placophylliidae
Placophyllia amnica n. sp. Melnikova and Roniewicz 2020 stony coral
 Scleractinia - Oppelismiliidae
Psenophyllia longa Melnikova 1989 stony coral
 Scleractinia - Archaeosmiliidae
Gurumdynia gracilis n. gen. n. sp., Pinacomorpha apimelos n. gen. n. sp.
Gurumdynia gracilis n. gen. n. sp. Melnikova and Roniewicz 2020 stony coral
Pinacomorpha apimelos n. gen. n. sp. Melnikova and Roniewicz 2020 stony coral