Mt. Akdombak, upper carbonate member (Ordovician to of Kazakhstan)

Where: Abai, Kazakhstan (48.5° N, 78.9° E: paleocoordinates 12.8° S, 70.4° E)

• coordinate estimated from map

When: Upper Carbonate Member (Akdombak Formation), Katian to Katian (453.0 - 443.4 Ma)

• Units 7-13

Environment/lithology: shallow subtidal; gray, green, silty sandstone and pebbly, volcaniclastic conglomerate

Size classes: macrofossils, mesofossils, microfossils

Primary reference: S. M. Bandaletov, M. A. Borissiak, O. P. Kovalevskii and I. F. Nikitin. 1965. Upper Ordovician and lower Silurian deposits of the Mount Akdombak area in Chingiz. Izvestiya Akademii Nauk Kazakhskoi SSR, seriya geologicheskaya 1:35-44more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 235977: authorized by Val Syverson, entered by Val Syverson on 31.08.2024

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Rhynchonellata
 Orthida - Dalmanellidae
Dalmanella kotyrzhalica
Dalmanella kotyrzhalica Popov and Cocks 2014
Localities 2083, 2084, 45, 256
Strophomenata
 Strophomenida - Foliomenidae
Foliomena folium
Foliomena folium Barrande 1879
Localities 2083, 2084
 Strophomenida - Grorudiidae
Diambonioidea koknaiensis
Diambonioidea koknaiensis Popov and Cocks 2014
Localities 2083, 2084
 Strophomenida - Hesperomenidae
Kassinella kasbalensis
Kassinella kasbalensis Popov and Cocks 2014
Localities 2083, 2084, 45, 256
 Strophomenida - Leptestiidae
Leangella bakanasensis
Leangella bakanasensis Popov and Cocks 2014
Localities 2083, 2084
Trilobita
 Trinucleida - Trinucleidae
Nankinolithus aff. granulatus
Nankinolithus aff. granulatus Wahlenberg 1818 trilobite
Localities 45, 256
 Trinucleida - Raphiophoridae
Ampyxinella sp.
Ampyxinella sp. Korleva 1959 trilobite
Localities 45, 256
 Asaphida - Remopleurididae
Remopleurides sp.
Remopleurides sp. Portlock 1843 trilobite
Localities 45, 256
 Asaphida - Cyclopygidae
Microparia sp.
Microparia sp. Hawle and Corda 1847 trilobite
Localities 45, 256
Pterobranchia
 Graptoloidea - Diplograptidae
Rectograptus cf. giganteus, Rectograptus truncatus
Rectograptus cf. giganteus graptolite
Localities 45, 256
Rectograptus truncatus Lapworth 1876 graptolite
Localities 45, 256
 Graptoloidea - Climacograptidae
"Climacograptus cf. supernus" = Appendispinograptus supernus
"Climacograptus cf. supernus" = Appendispinograptus supernus Elles and Wood 1906 climacograptid
Localities 45, 256
 Graptoloidea - Dicranograptidae
Dicellograptus cf. pumilus
Dicellograptus cf. pumilus graptolite
Localities 45, 256