Locality 741, Upper Lena River Basin (Ordovician of Russian Federation)

Also known as Volginskii Fm., Krivaya Luka Suite (Group), Locality 741, Upper Lena River Basin

Where: Siberia, Russian Federation (57.0° N, 106.0° E: paleocoordinates 11.8° N, 14.6° E)

• basin-level geographic resolution

When: Glyptograptus teretiusculus graptolite zone, Volginskii Formation (Krivaya Luka Group), Late/Upper Llanvirn (463.5 - 460.9 Ma)

• Krivaya Luka Suite (Group), Glyptograptus teretiusculus biozone

• formation-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified, dolomitic, ooidal, argillaceous siltstone and limestone

• siltstone and argillite with a few rubbly limestone/dolomite/oolite beds

Size class: macrofossils

Primary reference: A. V. Kanygin. 1989. Ordovician siberian Platform: Fauna and stratigraphy of the Lena Facial Zone; Novosibirski; Nauka Sib. Birch. Trudy Instituta Geologii i Geofiziki Vypusk Akademiya Nauk SSSR 751:1-216 [A. Miller/P. Novack-Gottshall/M. Uhen]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 9222: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 06.10.2000, edited by Pete Wagner

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Conodonta
  - Coleodontidae
 Prioniodontida -
Erraticodon cf. patu Cooper 1981 conodont
"Ptiloconus costutatus" = Erismodus conodont
Phragmodus flexuosus Moskalenko 1973 conodont
 Protopanderodontida - Drepanoistodontidae
Drepanoistodus suberectus Branson and Mehl 1933 conodont
Lingulata
 Lingulida - Pseudolingulidae
? Pseudolingula sp. Mickwitz 1909
 Lingulida - Obolidae
Strophomenata
 Billingsellida - Clitambonitidae
 Strophomenida - Furcitellidae
 Strophomenida - Glyptomenidae
Platymena amara Andreeva 1955
 Strophomenida - Rafinesquinidae
Rhynchonellata
 Rhynchonellida - Trigonirhynchiidae
Rostricellula sp. Ulrich and Cooper 1942
 Rhynchonellida - Sphenotretidae
 Orthida - Plaesiomyidae
 Orthida - Hesperorthidae
 Orthida - Plectorthidae
Mimella macra, "Evenkinorthis dualis" = Nanorthis
"Evenkinorthis dualis" = Nanorthis
Ostracoda
 Hollinocopida - Egorovellidae
 Beyrichicopida - Bolliidae
 Beyrichicopida - Soanellidae
Trilobita
 Proetida - Bathyuridae
 Phacopida - Pterygometopidae
Calyptaulax sp. Cooper 1930 trilobite
[entered as Calyptanlax sp.]
 Phacopida - Cheiruridae
Ceraurinella biformis Maksimova 1955 trilobite
 Trinucleida - Raphiophoridae
Ampyx sp. Dalman 1827 trilobite
Lonchodomas rostratus Sars 1835 trilobite
 Asaphida - Asaphidae
Basilicus silus, "Homotelus lenaensis" = Isotelus
Basilicus silus trilobite
"Homotelus lenaensis" = Isotelus trilobite
 Asaphida - Remopleurididae