Khulmu Nuur, Tonkhil area (Devonian of Mongolia)

Also known as Reef 3728

Where: Mongolia (46.3° N, 93.9° E: paleocoordinates 39.8° N, 22.5° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Khulmunuur Formation, Eifelian (393.3 - 387.7 Ma)

• lower part of the formation

• group of beds-level stratigraphic resolution

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

• small coral biostromes

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 79716: authorized by Wolfgang Kiessling, entered by Uta Merkel on 19.03.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Trilobita
 Phacopida - Phacopidae
Brachiopoda
  -
Brachiopoda indet. Cuvier 1805
Rhynchonellata
 Spiriferida - Cyrtiidae
 Spiriferida - Delthyrididae
Howellella sp. Kozlowski 1946
Crinoidea
  -
 Monobathrida - Hexacrinitidae
Stromatoporoidea
 Stromatoporellida - Stromatoporellidae
Anthozoa
 Favositida - Favositidae
Pachyfavosites abnormis tabulate coral
subsp. macroporosus
Emmonsia emmonsi tabulate coral
Emmonsia taltiensis tabulate coral
Squameofavosites mixtus tabulate coral
 Favositida - Pachyporidae
Gracilopora clara tabulate coral
Cladopora vermicularis tabulate coral
 Favositida - Alveolitidae
 Favositida - Coenitidae
Placocoenites medius tabulate coral
 Stauriida - Ptenophyllidae
"Stenophyllum sp." = Acanthophyllum
"Stenophyllum sp." = Acanthophyllum Dybowski 1873 horn coral
 Stauriida - Streptelasmatidae
 Stauriida - Phillipsastreidae
"Pseudoacervularia altaica" = Phillipsastrea horn coral
 Stauriida - Zaphrentidae
Heliophyllum sp. Hall 1846 horn coral