Shovdol Obo Mountains, Baruun-Urt, Eastern Gobi (Ordovician of Mongolia)

Also known as Reef 3721

Where: Mongolia (46.7° N, 113.3° E: paleocoordinates 27.9° N, 46.6° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Ashgill (449.5 - 443.7 Ma)

• group of beds-level stratigraphic resolution

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

• small coral-stromatoporoid biostromes

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 79639: authorized by Wolfgang Kiessling, entered by Uta Merkel on 17.03.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

Anthozoa
 Heliolitida - Plasmoporellidae
 Heliolitida - Palaeoporitidae
Palaeoporites sp. Kiaer 1899 tabulate coral
 Stauriida - Stauriidae
Modesta sp. Cherepnina 1962 horn coral
 Stauriida - Streptelasmatidae
Grewingkia sp. Dybowski 1873 horn coral
Streptelasma sp. Hall 1847 horn coral
Stromatoporoidea
 Labechiida - Aulaceratidae
Ludictyon vesiculatum stromatoporoid sponge
 Labechiida - Stromatoceriidae
Stromatocerium pergatum stromatoporoid sponge
 Labechiida - Labechiidae
Stratodictyon columnare stromatoporoid sponge
Labechia huronensis Billings 1865 stromatoporoid sponge
 Labechiida - Rosenellidae
 Clathrodictyida - Clathrodictyidae
Clathrodictyon microundulatum Nestor 1964 stromatoporoid sponge