Kotuy River, section K11, bioherm (Cambrian of Russian Federation)

Also known as Reef 3759

Where: Evenki, Russian Federation (69.0° N, 103.9° E: paleocoordinates 20.1° S, 6.3° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Retecoscinus zegebarti other zone, Kotuy Formation, Atdabanian (521.0 - 516.0 Ma)

• bed 2, samples 8227-8230, R. zegebarti zone

• bed-level stratigraphic resolution

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

• archaeocyath-calcimicrobial bioherms

Size class: macrofossils

Collection methods: peel or thin section,

Primary reference: V. I. Bondarev and M. A. Minayeva. 1988. Arkheotsiaty i biostratigrafiya kotuyskogo gorizonta nizhnego kembriya Prianabarya [Archaeocyatha and biostratigraphy of the Lower Cambrian Kotuy Horizon of the Anabar region]. Trudy Instituta Geologii i Geofiziki, Sibirskoye Otdeleniye 720:111-133 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 80874: authorized by Wolfgang Kiessling, entered by Uta Merkel on 19.05.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

Archaeocyatha
 Ajacicyathida - Tumulocyathidae
"Kotuyicyathus kotuyikensis" = Tumulocyathus
"Kotuyicyathus kotuyikensis" = Tumulocyathus archaeocyath sponge
 Ajacicyathida - Ajacicyathidae
"Nochoroicyathus sublenaicus" = Nochoroicyathus, "Nochoroicyathus occultatus" = Nochoroicyathus, "Nochoroicyathus vulgaris" = Nochoroicyathus, "Aldanocyathus tkatschenkoi" = Nochoroicyathus, "Aldanocyathus fabrefactus" = Nochoroicyathus, "Aldanocyathus anabarensis" = Nochoroicyathus, "Aldanocyathus turbidus" = Nochoroicyathus
"Nochoroicyathus sublenaicus" = Nochoroicyathus archaeocyath sponge
"Nochoroicyathus occultatus" = Nochoroicyathus archaeocyath sponge
"Nochoroicyathus vulgaris" = Nochoroicyathus archaeocyath sponge
"Aldanocyathus tkatschenkoi" = Nochoroicyathus archaeocyath sponge
"Aldanocyathus fabrefactus" = Nochoroicyathus archaeocyath sponge
"Aldanocyathus anabarensis" = Nochoroicyathus archaeocyath sponge
"Aldanocyathus turbidus" = Nochoroicyathus archaeocyath sponge
 Ajacicyathida - Asterocyathidae
Retecoscinus retetabulae archaeocyath sponge
Retecoscinus zegebarti archaeocyath sponge
 Archaeocyathida - Dictyocyathidae
Dictyocyathus translucidus archaeocyath sponge
 Archaeocyathida - Loculicyathidae
Loculicyathus sp., "Robustocyathus moori" = Cambrocyathellus, "Robustocyathus robustus" = Cambrocyathellus robustus
Loculicyathus sp. archaeocyath sponge
"Robustocyathus moori" = Cambrocyathellus archaeocyath sponge
"Robustocyathus robustus" = Cambrocyathellus robustus Vologdin 1937 archaeocyath sponge
 Monocyathida - Monocyathidae
Archaeolynthus polaris archaeocyath sponge
 Capsulocyathida - Cryptoporocyathidae
"Cryptaporocyathus melnikovi" = Cryptoporocyathus
"Cryptaporocyathus melnikovi" = Cryptoporocyathus archaeocyath sponge
 Capsulocyathida - Coscinocyathidae
Coscinocyathus rojkovi archaeocyath sponge
Coscinocyathus dianthus archaeocyath sponge