Kyzyl-Dzhar-Chokusu (Silurian of Mongolia)

Where: Mongolia (49.1° N, 88.4° E: paleocoordinates 34.9° N, 14.2° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Chokusu Formation, Ludlow (427.4 - 423.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified limestone and lithified sandstone

• limestone lenses, sandstones and marly deposits

Size class: macrofossils

Collection methods: peel or thin section,

Primary reference: L. N. Bolshakova and L. M. Ulitina. 1985. Stromatoporaty i biostratigrafiya nizhnego paleozoya Mongolii [Stromatoporata and biostratigraphy of the Lower Paleozoic of Mongolia]. Trudy Sovmestnaya Sovetsko-Mongolskaya Paleontologicheskaya Ekspeditisiya [Transactions of the Joint Soviet-Mongolian Paleontological Expedition] 27:5-94 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 79648: authorized by Wolfgang Kiessling, entered by Uta Merkel on 17.03.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Stromatoporoidea
 Stromatoporoidea -
Stromatoporoidea indet. stromatoporoid sponge
Anthozoa
 Stauriida - Arachnophyllidae
 Stauriida - Entelophyllidae
"Stereoxylodes clarus" = Entelophyllum, Scyphophyllum vulgare
"Stereoxylodes clarus" = Entelophyllum horn coral
 Stauriida - Mucophyllidae
 Stauriida - Streptelasmatidae
 Stauriida - Kodonophyllidae
 Stauriida - Calostylidae
Calostylis sp. Lindström 1868 horn coral
 Stauriida - Lykophyllidae
 Cystiphyllida - Cystiphyllidae
"Cystiphyllum omphymiforme" = Cystiphyllum, "Coronoruga idonea" = Cystiphyllum
"Cystiphyllum omphymiforme" = Cystiphyllum horn coral
"Coronoruga idonea" = Cystiphyllum horn coral
 Cystiphyllida - Tryplasmatidae
Tryplasma aequabile, "Pholidophyllum loveni" = Tryplasma
Tryplasma aequabile Lonsdale 1845 horn coral
"Pholidophyllum loveni" = Tryplasma horn coral
 Rugosa - Chonophyllidae
 Tabulata -
Tabulata indet. Milne-Edwards and Haime 1850 tabulate coral
 Auloporida - Syringoporidae
Syringopora fascicularis tabulate coral
Syringopora kolimnensis tabulate coral
 Tabulata -
Heliolitida indet. Frech 1897 tabulate coral
 Heliolitida - Halysitidae
Catenipora sp. Lamarck 1816 tabulate coral
Brachiopoda
  -
Brachiopoda indet. Cuvier 1805
Stenolaemata
 Cystoporata - Constellariidae
 Cystoporata - Fistuliporidae
 Cystoporata - Ceramoporidae
 Trepostomata - Heterotrypidae
"Lioclema emarginatum" = Leioclema, "Lioclema gloria" = Leioclema, "Lioclema subramosum" = Leioclema, "Lioclema amplexum" = Leioclema, Heterotrypa cf. incrustans, Leptotrypa rara, Stigmatella plastica
"Lioclema emarginatum" = Leioclema
"Lioclema gloria" = Leioclema
"Lioclema subramosum" = Leioclema
"Lioclema amplexum" = Leioclema
 Trepostomata - Halloporidae
 Trepostomida - Atactotoechidae
 Trepostomida - Amplexoporidae