Tsakhirin-Khuduk, Dzhinsetu Ula Mountains, Gobi Altai (Devonian of Mongolia)

Also known as Reef 3363

Where: Mongolia (44.4° N, 99.5° E: paleocoordinates 38.0° N, 33.2° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Yushnogobi Member (Dzhinsetu Formation), Emsian (407.6 - 393.3 Ma)

• group of beds-level stratigraphic resolution

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

• small coral- and coral-stromatoporoid 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 79690: authorized by Wolfgang Kiessling, entered by Uta Merkel on 18.03.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

Crinoidea
  -
Crinoidea indet. Miller 1821 Sea lily
Rhynchonellata
 Atrypida - Atrypidae
Atrypa sp. Dalman 1828
 Spiriferida - Delthyrididae
 Spiriferida - Cyrtinopsidae
Bryozoa
  -
Bryozoa indet. Ehrenberg 1831
Tentaculita
 Styliolinida - Styliolinidae
Anthozoa
 Rugosa -
Rugosa indet. horn coral
 Tabulata -
Heliolitida indet. Frech 1897 tabulate coral
 Favositida - Pachyporidae
Pachypora tortuosa Sharkova 1981 tabulate coral
Thamnopora compacta Tchudinova 1959 tabulate coral
subsp. minima
Striatopora abnormis tabulate coral
 Favositida - Favositidae
Squameofavosites kulkovi tabulate coral
Favosites kovechovi tabulate coral
subsp. mongolicus
 Favositida - Coenitidae
Lecompteia ramosa tabulate coral
Coenites dunginensis Sharkova 1981 tabulate coral
 Favositida - Alveolitidae
Caliapora elegans tabulate coral
 Favositida - Oculiporidae
Oculipora angulata tabulate coral
Stromatoporoidea
 Amphiporida - Amphiporidae
Amphipora sp. Schulz 1883 stromatoporoid sponge