Tsakhir-Khalgain-Nuru, Tsogt area (Devonian to of Mongolia)

Also known as Reef 3725

Where: Mongolia (45.3° N, 96.6° E: paleocoordinates 43.6° N, 12.2° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Takhilt Member (Tsogt Formation), Gedinnine to Gedinnine (416.0 - 409.1 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; lithified limestone

• algal-coral bioherms

Size class: macrofossils

Collection methods: peel or thin section,

Primary reference: T. T. Sharkova. 1981. Siluriiskiye i devonskiye tabulyaty Mongolii [Silurian and Devonian Tabulata of Mongolia]. Trudy Sovmestnaya Sovetsko-Mongolskaya Paleontologicheskaya Ekspeditisiya [Transactions of the Joint Soviet-Mongolian Paleontological Expedition] 14:5-104 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 79713: authorized by Wolfgang Kiessling, entered by Uta Merkel on 19.03.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

Crinoidea
 Cyathocrinida - Crotalocrinitidae
Strophomenata
 Strophomenida - Rafinesquinidae
Leptaenopyxis bouei Barrande 1848
Rhynchonellata
 Atrypida - Atrypidae
 Atrypida - Atrypinidae
 Atrypida - Carinatinidae
 Rhynchonellida - Machaerariidae
Ferganella turkestanica Nikiforova 1937
 Rhynchonellida - Trigonirhynchiidae
"Stegerhynchus nympha" = Stenorhynchia nympha
"Stegerhynchus nympha" = Stenorhynchia nympha Barrande 1847
 Rhynchonellida - Hebetoechiidae
Stenolaemata
 Trepostomida - Dyscritellidae
 Trepostomida - Atactotoechidae
Eridotrypella sp. Duncan 1939
 Cryptostomata - Fenestellidae
Anthozoa
 Favositida - Favositidae
Favosites sp. Lamarck 1816 tabulate coral