Atrypa-Tannuspirifer-Pentamerus Community (Silurian of Mongolia)

Where: Barun-Urt region, Mongolia (46.7° N, 113.3° E: paleocoordinates 36.6° N, 41.3° E)

• coordinate based on political unit

• basin-level geographic resolution

When: Wenlock (433.4 - 427.4 Ma)

Environment/lithology: coastal; lithified siltstone and lithified, gray limestone

• quiet water environment, BA3 assignment
• Lense-like siltstone interbeds accomanying dark-gray, dense, coralline limestones.

Size class: macrofossils

Primary reference: K.H. S. Rozman. 1999. Silurian brachiopod communities of Mongolia. in A. J. Boucot and J. D. Lawson, eds., Paleocommunities - a case study from the Silurian and Lower Devonian 164-176 [M. Foote/C. Simpson]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 13327: authorized by Michael Foote, entered by Carl Simpson on 25.02.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

 Spiriferida - Cyrtiidae
Eospirifer radiatus Sowerby 1834
 Spiriferida - Hedeinopsidae
 Pentamerida - Pentameridae
 Atrypida - Atrypidae
Atrypa orientalis
A.orientalis orientalis
 Orthida - Dalmanellidae
 Stromatoporoidea -
Stromatoporoidea indet.
 Favositida - Favositidae
"Palaeofavosites asper" = Paleofavosites, "Palaeofavosites rajkulensis" = Paleofavosites, Favosites exilis
"Palaeofavosites asper" = Paleofavosites tabulate coral
"Palaeofavosites rajkulensis" = Paleofavosites tabulate coral
Favosites exilis Sokolov 1952 tabulate coral
 Heliolitida - Halysitidae
Halysites senior Klaamann 1961 tabulate coral
Halysites junior Klaamann 1961 tabulate coral
 Rugosa -
Rugosa indet. horn coral
"rugose corals"