Tota River, Middle Urals, Toshem Horizon (Devonian to of Russian Federation)

Also known as Reef 3835

Where: Sverdlovskaya Oblast, Russian Federation (59.6° N, 60.0° E: paleocoordinates 3.3° N, 13.1° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Toshem Formation, Pragian to Pragian (410.8 - 402.5 Ma)

• Upper Pragian-basal Emsian, Neospirigerina ossa-Losvia operosa superzone, Leviconchidiella vetusta-Totia similis zone [JA: originally entered as Pragian to Emsian]

• group of beds-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; lithified limestone

• massive reefal limestones, 250 m thick

Size class: macrofossils

Primary reference: I. A. Breyvel, M. G. Breyvel, G. G. Zenkova, V. S. Militsina, M. V. Shurygina and F. E. Yanet. 1977. Stratigrafiya [Stratigraphy]. in T. A. Gorokhova, ed., Biostratigrafiya i fauna rannego Devona vostochnogo sklona Urala [Biostratigraphy and fauna of the Lower Devonian from the Eastern Urals] 12-22 [W. Kiessling/U. Merkel/P. Wagner]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 81797: authorized by Wolfgang Kiessling, entered by Uta Merkel on 16.07.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Anthozoa
 Stauriida - Ptenophyllidae
Acanthophyllum heterophyllum Milne-Edwards and Haime 1851 horn coral
 Favositida - Cleistoporidae
Riphaeolites horridus tabulate coral
Riphaeolites sokolovi tabulate coral
Riphaeolites obuti tabulate coral
 Favositida - Favositidae
Favosites preplacentus tabulate coral
Favosites cf. totaensis tabulate coral
Favosites gregalis tabulate coral
Favosites admirabilis tabulate coral
 Favositida - Pachyporidae
Thamnopora plumosa tabulate coral
Stromatoporoidea
 Clathrodictyida - Atelodictyidae
Atelodictyon stolonatus stromatoporoid sponge
Rhynchonellata
 Spiriferida - Cyrtiidae
 Atrypida - Karpinskiidae
 Atrypida - Atrypidae
 Atrypida - Atrypinidae
 Atrypida - Punctatrypidae
 Pentamerida - Gypidulidae
 Pentamerida - Clorindidae
 Rhynchonellida - Glossinotoechiidae
Strophomenata
 Strophomenida - Leptaenoideidae
Leptaenisca sp. Beecher 1890
 Strophomenida - Douvillinidae
 Strophomenida - Strophochonetidae
Ostracoda
 Palaeocopida - Pachydomellidae
 Palaeocopida - Aparchitidae
 Palaeocopida - Miltonellidae
Libumella ovata ostracod
subsp. exilicostata
Libumella levis ostracod
 Podocopida -
 Podocopida - Bairdiocyprididae
Bairdiocypris cordiformis ostracod
subsp. parvus
Praepilatina praepilata ostracod
subsp. sibirica
 Podocopida - Bairdiidae
Bairdia angusta Kollmann 1963 ostracod
 Podocopida - Acratiidae
 Podocopida - Tricorninidae
 Podocopida - Microcheilinellidae
Trilobita
 Phacopida - Cheiruridae
 Proetida - Proetidae
Cornuproetus asperellus Ancygin 1977 trilobite
 Harpetida - Harpetidae
"Harpes venulosus" = Lioharpes venulosus
"Harpes venulosus" = Lioharpes venulosus Whittington 1950 trilobite
 Corynexochida - Styginidae