Tokhtoshin-Shil Mountains, Khutsin-Bulak (Silurian of Mongolia)

Where: Mongolia (49.7° N, 92.7° E: paleocoordinates 33.2° N, 14.6° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Khutsin Bulak Formation, Wenlock (433.4 - 427.4 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: coastal; lithified sandstone and lithified marl

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 79643: authorized by Wolfgang Kiessling, entered by Uta Merkel on 17.03.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Anthozoa
 Rugosa -
 Stauriida - Amplexidae
"Leptelasma sociale" = Synamplexoides
"Leptelasma sociale" = Synamplexoides horn coral
 Stauriida - Endophyllidae
 Stauriida - Entelophyllidae
Altaja silurica horn coral
Evenkiella cincta horn coral
 Stauriida - Ptychophyllidae
Cyathactis typus horn coral
Strophomenata
 Strophomenida - Rafinesquinidae
Leptaena rhomboidalis Wahlenberg 1818
Rhynchonellata
 Rhynchonellida - Rhynchotrematidae
Stegerhynchus sp. Foerste 1909
 Rhynchonellida - Trigonirhynchiidae
 Orthida - Rhipidomellidae
 Orthida - Dalmanellidae
 Atrypida - Anazygidae
Stenolaemata
 Cryptostomata -
 Cryptostomata - Ptilodictyidae
 Trepostomata - Heterotrypidae
"Lioclema varium" = Leioclema, Heterotrypa robusta
"Lioclema varium" = Leioclema