Tuvaella dichotomians Community (Silurian of Mongolia)

Where: Gobi Altai, Mongolia (44.9° N, 95.4° E: paleocoordinates 33.3° N, 21.6° E)

• coordinate based on political unit

When: Llandovery (443.4 - 433.4 Ma)

Environment/lithology: marine; lithified, gray, sandy limestone and lithified, gray limestone

• A moderately quiet water environment with a reasonably firm bottom.
• Gray, sandy, organogenic limestone interbedded with unfossiliferous, gray, dence, flinty limestone

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 13188: authorized by Michael Foote, entered by Carl Simpson on 26.01.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

• occurs with abundant, unstudied trilobites and ostracodes
 Strophomenida - Rafinesquinidae
 Spiriferida - Cyrtiidae
Eospirifer radiatus Sowerby 1834
 Spiriferida - Delthyrididae
 Atrypida - Atrypidae
Plectatrypa imbricata Sowerby and Murchison 1839
 Atrypida - Glassiidae
 Atrypida - Anazygidae
 Rhynchonellida - Rhynchotrematidae
 Favositida - Favositidae
Palaeofavosites porosus Sokolov 1951 tabulate coral