VSEGEI Loc. 817 Akkerme Peninsula, Lake Balkhash (Silurian of Kazakhstan)

Where: South Central, Kazakhstan (45.3° N, 73.7° E: paleocoordinates 17.2° S, 71.5° E)

• outcrop-level geographic resolution

When: Coronograptus cyphus graptolite zone, Mynaral Formation, Rhuddanian (443.4 - 440.8 Ma)

• Redated as late Rhuddanian in: L. Robin M. Cocks and Rong Jia-yu (2007). Earliest Silurian faunal survival and recovery after the end Ordovician glaciation: evidence from the brachiopods. Earth and Environmental Science Transactions of the Royal Society of Edinburgh, 98, pp 291-301 doi:10.1017/S175569100807566X

• formation-level stratigraphic resolution

Environment/lithology: argillaceous limestone and nodular, calcareous mudstone

• The early Silurian brachiopod assemblage is preserved in nodules and nodular interlayers of a calcareous mudstone and argillaceous limestone of Unit 3, which rests on the unfossiliferous sandstone of Unit 2

Size class: macrofossils

Collection methods: VSEGEI

Primary reference: T. L. Modzalevskaya and L. E. Popov. 1995. Earliest Silurian articulate brachiopods from central Kazakhstan. Acta Palaeontologica Polonica 40(4):399-426 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 151930: authorized by Pete Wagner, entered by Pete Wagner on 23.10.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Strophomenata
 Strophomenida - Leptestiidae
Leangella scissa Davidson 1871
 Strophomenida - Eopholidostrophiidae
Eopholidostrophia sefinensis Williams 1951
subspecies ellisae
 Strophomenida - Leptostrophiidae
Eostropheodonta sp. Bancroft 1949
 Orthotetida - Chilidiopsidae
Saughina sp. Bancroft 1949
Rhynchonellata
 Spiriferida - Cyrtiidae
Eospirifer cinghizicus Borissiak 1955
 Pentamerida - Stricklandiidae
"Stricklandia mullochensis" = Stricklandia lens mullochensis
"Stricklandia mullochensis" = Stricklandia lens mullochensis Reed 1917
subspecies lens mullochensis
 Orthida - Dalmanellidae
"Isorthis (Protocortezorthis) prima" = Levenea llandoveriana
"Isorthis (Protocortezorthis) prima" = Levenea llandoveriana Williams 1951
 Orthida - Hesperorthidae
 Atrypida -
Zygospiraella duboisi Verneuil 1845
 Atrypida - Lissatrypidae
Meifodia tulkulensis n. sp. Modzalevskaya and Popov 1995