PBDB Collection

Gorny Altai, Tachalov Section, Tekhten Fm. (Ordovician to of Russian Federation)

Where: Siberia, Russian Federation (51.4° N, 83.2° E: paleocoordinates 17.2° N, 26.8° E)

• coordinate estimated from map

When: Tekhten Formation, Katian to Katian (453.0 - 443.4 Ma)

Environment/lithology: open shallow subtidal; massive, gray limestone and green, yellow sandstone

• and siltstone

Size classes: macrofossils, mesofossils

Primary reference: N. V. Sennikov, O.T. Obut, E. V. Lykova, A. V. Timokhin, T. V. Gonta, R. A. Khabibulina, T. A. Shcherbanenko and T. P. Kipriyanova. 2019. Ordovician Sedimentary Basin and Paleobiotas of the Gorny Altai. 1-183 [B. Kröger/B. Kröger]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 205665: authorized by Björn Kröger, entered by Björn Kröger on 18.10.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

unclassified
-	Brevolamnuella aff. thebesensis, Ambolodus triangularis, Xylonograptus regularis, Paulinites sp. Brevolamnuella aff. thebesensis Dicellograptus ornates minor Ambolodus triangularis Xylonograptus regularis Paulinites sp.
Protozoa
Archaeospicularia - Secuicollactidae	Secuicollacta ornata, Secuicollacta sceptri Secuicollacta ornata Goto et al. 1992 radiolarian Secuicollacta sceptri MacDonald 1998 radiolarian
Entactinaria - Entactiniidae	Borisella subulata Borisella subulata radiolarian
Spumellaria -	Kalimnasphaera cf. maculosa Kalimnasphaera cf. maculosa Webby and Blom 1986 radiolarian
-	Tanuchitina ontariensis Tanuchitina ontariensis
Hydrozoa
Hydroida -	Inocaulis sp. Inocaulis sp. Hall 1852
Anthozoa
Tetradiida - Tetradiidae	Rhabdotetradium sp. Rhabdotetradium sp. Sokolov 1955 tabulate coral
Heliolitida - Halysitidae	Catenipora workmanae Catenipora workmanae Flower 1961 tabulate coral
Pterobranchia
Graptoloidea - Retiolitidae	Glyptograptus sp., Glyptograptus posterus Glyptograptus sp. graptolite Glyptograptus posterus graptolite
Graptoloidea - Climacograptidae	Appendispinograptus sp., Appendispinograptus supernus, Climacograptus aff. hastatus Appendispinograptus sp. Zhiming and Daqing 1985 climacograptid Appendispinograptus supernus Elles and Wood 1906 climacograptid Climacograptus aff. hastatus Hall 1902 climacograptid Climacograptus aff. hastatus hastatus
Graptoloidea - Diplograptidae	Paraorthograptus sp., Paraorthograptus pacificus Paraorthograptus sp. graptolite Paraorthograptus pacificus Ruedemann 1947 graptolite
Graptoloidea - Dicranograptidae	Dicellograptus ornates Dicellograptus ornates graptolite
Conodonta
Prioniodontida - Oistodontidae	Oistodus sp. Oistodus sp. Pander 1856 conodont
Prioniodontida -	Hibbardella diminuta Hibbardella diminuta conodont
Prioniodontida - Balognathidae	Amorphognathus cf. duftonus Amorphognathus cf. duftonus Rhodes 1955 conodont
Prioniodontida - Acodontidae	Acodus similaris Acodus similaris Rhodes 1955 conodont
Panderodontida - Panderodontidae	Belodina sp., Panderodus cf. inicostatus, Panderodus intermedius Belodina sp. Ethington 1959 conodont Panderodus cf. inicostatus conodont Panderodus intermedius conodont
Protopanderodontida - Protopanderodontidae	Drepanodus sp., "Phragmodus insculptus" = Protopanderodus insculptus Drepanodus sp. Pander 1856 conodont "Phragmodus insculptus" = Protopanderodus insculptus Branson and Mehl 1933 conodont
Rhynchonellata
Pentamerida - Parallelelasmatidae	Vaga sp. Vaga sp.
Chitinozoa
Prosamatifera - Conochitinidae	Conochitina micracantha Conochitina micracantha