Altai Mountains, Chakyr Formation (Ordovician of Russian Federation)

Where: Russian Federation (52.0° N, 86.0° E: paleocoordinates 13.8° N, 26.3° E)

• coordinate based on political unit

• local area-level geographic resolution

When: Chakyr Formation, Caradoc (458.4 - 449.5 Ma)

• Upper Caradoc

• group of beds-level stratigraphic resolution

Environment/lithology: marine

Size class: macrofossils

Primary reference: P. S. Dzyubo. 1970. Biostratigraficheskoye raschleneniye verkhnego ordovika Altaya i Gornoy Shorii po tabulyatam i geliolitidam [Upper Ordovician biostratigraphy of the Altai and Shoriya mountains based on tabulate and heliolitid corals]. in Zakonomernosti rasprostraneniya paleozoyskikh korallov SSSR [Distribution and sequence of Paleozoic corals of the USSR], Papers of II Allunion Symposium on fossil corals of the USSR (3)84-87 [W. Kiessling/U. Merkel/U. Merkel]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 78801: authorized by Wolfgang Kiessling, entered by Uta Merkel on 18.02.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Anthozoa
 Sarcinulida - Billingsariidae
Billingsaria sp., Foerstephyllum sp.
Billingsaria sp. Okulitch 1936 tabulate coral
Foerstephyllum sp. Bassler 1950 tabulate coral
 Sarcinulida - Syringophyllidae
Calapoecia altaica, Calapoecia baragashiensis, Calapoecia anticostiensis
Calapoecia altaica tabulate coral
Calapoecia anticostiensis Billings 1865 tabulate coral
 Lichenariida - Lyoporidae
Eofletcheria sp., Reuschia sokolovi, Reuschia sp., Nyctopora billingsi, Nyctopora virgihiana
Eofletcheria sp. Bassler 1950 tabulate coral
Reuschia sokolovi tabulate coral
Reuschia sp. Kiaer 1930 tabulate coral
Nyctopora billingsi tabulate coral
Nyctopora virgihiana tabulate coral
 Auloporida - Bajgoliidae
Bajgolia altaica
Bajgolia altaica tabulate coral
 Auloporida - Fletcheriellidae
Fletcheriella altaica, Fletcheriella amsassica
Fletcheriella altaica tabulate coral
Fletcheriella amsassica tabulate coral
 Heliolitida - Halysitidae
Catenipora sp.
Catenipora sp. Lamarck 1816 tabulate coral
 Heliolitida - Cyrtophyllidae
Karagemia altaica, Cyrtophyllum sp.
Karagemia altaica tabulate coral
subsp. baragashiensis
Cyrtophyllum sp. Lindström 1882 tabulate coral
 Heliolitida - Proheliolitidae
Proheliolites sp.
Proheliolites sp. Kiaer 1897 tabulate coral
 Heliolitida - Sibiriolitidae
Sibiriolites sp.
Sibiriolites sp. Sokolov 1955 tabulate coral
 Heliolitida - Taeniolitidae
Wormsipora karasuensis
Wormsipora karasuensis tabulate coral
 Heliolitida - Stelliporellidae
Stelliporella sp.
Stelliporella sp. Wentzel 1895 tabulate coral
 Favositida - Favositidae
Saffordophyllum sp.
Saffordophyllum sp. Bassler 1950 tabulate coral
Demospongiae
 Hadromerida - Suberitidae
Chaetetes sp.
Chaetetes sp. Fischer von Waldheim 1829 demosponge
 Chaetetida - Cryptolichenariidae
Amsassia raduguini, Amsassia falsa, Amsassia princeps
Amsassia raduguini chaetetid sponge
Amsassia falsa chaetetid sponge
Amsassia princeps chaetetid sponge