Pseudocamarotoechia ubsuensis Community, Baital Formation, C. Tuva (Silurian to of Russian Federation)

Where: Russian Federation (51.0° N, 94.0° E: paleocoordinates 36.9° N, 8.0° E)

• coordinate estimated from map

• basin-level geographic resolution

When: Baital Formation, Ludlow to Ludlow (427.4 - 419.2 Ma)

• Ludlovian-Pridolian; Baital Formation, Pichi-Shui beds.

• formation-level stratigraphic resolution

Environment/lithology: marine; gray, green sandstone

• Whether shells articulated or not varies with species. "[Occurrence] suggests fairly mobile, nearshore conditions. [Some occurrences in silty beds with fish shales, possibly suggesting shallower conditions with variable salinity.] BA 1."
• "...on bedding planes of greenish-gray and gray, fine to coarse-grained sandstone..."

Primary reference: E. V. Vladimirskaya and N. P. Kulkov. 1999. Silurian brachiopod communities of Tuva. In A. J. Boucot and J. D. Lawson (eds.), Paleocommunities--a case study from the Silurian and Lower Devonian 545-548 [M. Foote/M. Foote/M. Foote]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 24781: authorized by Michael Foote, entered by Michael Foote on 20.08.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Bivalvia
 Nuculanida - Cucullellidae
"Cleidophorus sp." = Nuculites
"Cleidophorus sp." = Nuculites Conrad 1841 clam
 Lucinida - Mactromyidae
Paracyclas sp.
Paracyclas sp. Hall 1843 clam
Rhynchonellata
 Spiriferida - Hedeinopsidae
Tannuspirifer pedaschenkoi
 Orthida - Dalmanellidae
Isorthis markovskii
 Atrypida - Anazygidae
Tuvaella gigantea
 Rhynchonellida - Trigonirhynchiidae
"Pseudocamarotoechia ubsuensis" = Hemitoechia
"Pseudocamarotoechia ubsuensis" = Hemitoechia
Stenolaemata
 Cystoporata - Fistuliporidae
Fistulipora sp.
Fistulipora sp. McCoy 1850
 Trepostomata - Heterotrypidae
"Lioclema sp." = Leioclema
"Lioclema sp." = Leioclema Ulrich 1882
 Trepostomata - Halloporidae
Hallopora sp.
Hallopora sp. Bassler 1911
Gnathostomata
 Phlebolepidiformes - Katoporididae
Helenolepis sp.
Helenolepis sp. Karartajüté-Talimaa 1978
vertebrate
Chondrichthyes
  -
Elegestolepis sp.
Elegestolepis sp. Karatajute-Talimaa 1973 cartilaginous fish
vertebrate
Crinoidea
  - Exaesiodiscidae
Exaesiodiscus sp.
Exaesiodiscus sp. Moore and Jeffords 1968 Sea lily
crinoid columnals
Anthinocrinus
  - Anthinocrinidae
Anthinocrinus sp.
Anthinocrinus sp. Stukalina 1961