Didymothyris didyma Community, Ludlovian, C. Urals (Silurian of Russian Federation)

Where: Russian Federation (57.0° N, 59.0° E: paleocoordinates 0.7° S, 11.8° E)

• coordinate based on political unit

• local area-level geographic resolution

When: Kuba Formation, Ludlow (427.4 - 423.0 Ma)

• formation-level stratigraphic resolution

Environment/lithology: marine; shelly/skeletal, gray marl and gray claystone

• "...soft ground, comparatively quiet water unit. Ratio of articulated to disarticulaed specimens commonly more than 2:1. BA 2."
• "Occurs as coquinas, extending laterally for hundreds of meters, in gray and dark-gray, thin to medium-bedded marls, argillites, and argillaceous shales, interlayered with thicker, coarsely nodular llimestones of the Kuba Beds.

Primary reference: V. P. Sapelnikov, O. V. Bogoyavlenskaya, L. I. Mizens and V. P. Shuysky. 1999. Silurian and Early Devonian benthic communities of the Ural-Tien Shan region. In A. J. Boucot and J. D. Lawson (eds.), Paleocommunities--a case study from the Silurian and Lower Devonian 510-544 [M. Foote/M. Foote/M. Foote]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 24772: authorized by Michael Foote, entered by Michael Foote on 20.08.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

• List based only on elements stated to be present at type locality.
 Palaeocopida -
 Platycopida - Cavellinidae
 Leperditicopida -
 Athyridida - Athyrididae
Didymothyris didyma Dalman 1828
 Atrypida - Lissatrypidae
 Phlebolepidiformes - Katoporididae
Phlebolepis elegans Pander 1856
 Clathrodictyida - Clathrodictyidae
 Clathrodictyida - Actinodictyidae
 Favositida - Parastriatoporidae
 Favositida - Theciidae
Thecia swinderniana Goldfuss 1829 tabulate coral
Laceripora cribrosa tabulate coral