Anderkenyn-Akchoku, Chu-Ili Range, algal limestones (Ordovician of Kazakhstan)

Also known as Reef 2504

Where: Kazakhstan (43.9° N, 75.6° E: paleocoordinates 13.5° S, 78.5° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Diplograptus multidens graptolite zone, Anderken Formation, Sandbian (458.4 - 453.0 Ma)

• unit 5

• group of beds-level stratigraphic resolution

Environment/lithology: perireef or subreef; lithified limestone

• nodular algal limestones with abundant dasyclad algae at the base and flanks of carbonate build-ups

Size class: macrofossils

Primary reference: L. E. Popov, L. R. M. Cocks, and I. F. Nikitin. 2002. Upper Ordovician brachiopods from the Anderken Formation, Kazakhstan: their ecology and systematics. Bulletin of the Natural History Museum, Geology Series 58(1):13-79 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 80224: authorized by Wolfgang Kiessling, entered by Uta Merkel on 09.04.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

Chlorophyceae
 Dasycladales - Dasycladaceae
 Dasycladales - Seletonellaceae
Contexta binata Gnilovskaya 1972
unclassified
  -
Hormogoneae
 Oscillatoriales - Girvanellaceae
Girvanella sp. Nicholson and Etheridge 1878
Renalcis
  - Chabakoviacea
Renalcis sp. Vologdin 1932
Trilobita
 Proetida - Dimeropygidae
 Corynexochida - Illaenidae
Illaenus sp. Dalman 1827 trilobite
 Corynexochida - Styginidae
"Eokosovopeltis romanovskyi" = Eokosovopeltis romanovskii
"Eokosovopeltis romanovskyi" = Eokosovopeltis romanovskii Weber 1948 trilobite
 Lichida - Lichidae
"Acrolichas punctata" = Amphilichas
"Acrolichas punctata" = Amphilichas trilobite
 Phacopida - Pliomeridae
 Phacopida - Cheiruridae
Cheirurus sp. Beyrich 1845 trilobite
Sphaerexochus sp. Beyrich 1845 trilobite
Gastropoda
  -
Gastropoda indet. Cuvier 1795 snail
Cephalopoda
 Tarphycerida - Trocholitidae
Bivalvia
  -
Bivalvia indet. Linnaeus 1758 clam
unclassified
  -
Stromatoporoidea
 Clathrodictyida -
Clathrodictyida indet. Bogoyavlenskaya 1969 stromatoporoid sponge
Demospongiae
 Chaetetida - Cryptolichenariidae
Amsassia sp. Sokolov and Mironova 1959 chaetetid sponge
Anthozoa
 Lichenariida - Lichenariidae
Lichenaria sp. Winchell and Schuchert 1895 tabulate coral
 Auloporida - Auloporidae
Mastopora reticulata tabulate coral
Mastopora nana tabulate coral