Locality 133. 4 kilometers southwest of Alakul Lake (Ordovician of Kazakhstan)

Where: Kazakhstan (44.8° N, 74.1° E: paleocoordinates 12.9° S, 80.6° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Unit 4 Member (Alakul Formation), Abereiddian (466.0 - 460.9 Ma)

• Anrakhaian stage

• bed-level stratigraphic resolution

Environment/lithology: open shallow subtidal; lithified, nodular, argillaceous, silty limestone and argillaceous siltstone

• BA-2, turbulent depositional environment within shore-face zone
• nodular algal limestone with thin layers of argillite and siltstone

•Nodular, sandy and silty limestones

Size class: macrofossils

Collection methods: bulk,

Primary reference: L. E. Popov, O. Vinn, and O. I. Nikitina. 2001. Brachiopods of the redefined family Tritoechiidae from the Ordovician of Kazakhstan and South Urals. Geobios 34(2):131-155 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 165483: authorized by Pete Wagner, entered by Pete Wagner on 19.01.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Corynexochida - Leiostegiidae
 Corynexochida - Illaenidae
Illaenus sp. Dalman 1827 trilobite
Ostracoda
 Leperditellocopida - Aparchitidae
 Palaeocopida -
 Podocopida - Healdiidae
Strophomenata
 Strophomenida - Taffiidae
Leptella sarytumensis n. sp. Nikitina et al. 2006
Aporthophyla kasachstanica Rukavishnikova 1956
 Billingsellida - Tritoechiidae
Pomatotrema fecunda n. sp. Popov et al. 2001
 Billingsellida - Polytoechiidae
Martellia reliqua Popov et al. 2001
Rhynchonellata
 Orthida - Archaeorthidae
Archaeorthis major Nikitina et al. 2006
 Orthida - Orthidiellidae
Trematorthis karasaiensis n. sp. Nikitina et al. 2006
Tuvinia alakulica n. sp. Nikitina et al. 2006
Tuvinia spp. on list.