Diringde reef complex, Kotuy River (Cambrian of Russian Federation)

Also known as Reef 3773

Where: Russian Federation (68.4° N, 103.2° E: paleocoordinates 11.7° S, 3.8° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Maentwrogian (497.0 - 496.8 Ma)

• Latest Mayan-Ayusokkanian (Late Marjuman), Plethopeltid and Plethopeltid-Nganasanella biofacies

• group of beds-level stratigraphic resolution

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

• outer shelf microbial reef complex

Size class: macrofossils

Primary reference: T. V. Pegel. 2000. Evolution of trilobite biofacies in Cambrian basins of the Siberian Platform. Journal of Paleontology 74(6):1000-1019 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 81113: authorized by Wolfgang Kiessling, entered by Uta Merkel on 06.06.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

• data summarized from Pegel 1989
Trilobita
 Asaphida - Anomocaridae
 Ptychopariida - Catillicephalidae
"Onchonotellus conusoides" = Onchonotellus, "Seletella borea" = Onchonotellus, "Seletella subquadrata" = Onchonotellus, ? Buttsia contracta, Buttsia parvula, Theodenisia glabra, Theodenisia dissortis
"Onchonotellus conusoides" = Onchonotellus trilobite
"Seletella borea" = Onchonotellus trilobite
"Seletella subquadrata" = Onchonotellus trilobite
Buttsia parvula Khramova 1977 trilobite
 Ptychopariida - Conokephalinidae
Catuniella lauta Lazarenko 1960 trilobite
 Ptychopariida - Solenopleuridae
Maiaspis mirabilis Chernysheva 1956 trilobite
Munija modesta trilobite
 Ptychopariida - Plethopeltidae
Koldinia minor Kobayashi 1943 trilobite
 Olenida - Dokimokephalidae
Ritella plena trilobite
 Olenida - Aphelaspidae
Nganasanella tavgaensis Rozova 1963 trilobite