Gorbiyachin River, Madu Member (Cambrian of Russian Federation)

Where: Krasnoyar, Russian Federation (67.5° N, 87.8° E: paleocoordinates 16.0° S, 5.9° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Madu Member (Gorbiyachin Formation), Maduan (497.0 - 495.0 Ma)

• Madu Member is 100 m thick

• member-level stratigraphic resolution

Environment/lithology: lithified, argillaceous limestone

• argillaceous limestone, dolomitic limestone

Size class: macrofossils

Preservation: cast, mold/impression

Primary reference: A. V. Rozova. 1968. Biostratigrafiya i trilobity verkhnego Kembriya i nizhnego Ordovika severo-zapada Sibirskoy Platformy [Biostratigraphy and trilobites of the Upper Cambrian and Lower Ordovician of the northwestern Siberian platform]. Trudy Instituta Geologii i Geofiziki, Sibirskoye Otdeleniye 36:1-195 [A. Miller/P. Novack-Gottshall/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 131344: authorized by Wolfgang Kiessling, entered by Uta Merkel on 23.07.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Trilobita
 Lichida - Lichakephalidae
Acidaspidina plana
Acidaspidina plana Lazarenko 1960 trilobite
 Corynexochida - Cheilocephalidae
Parakoldinia kureiskaya
Parakoldinia kureiskaya Rozova 1963 trilobite
 Ptychopariida - Lonchocephalidae
Raashellina paula
Raashellina paula Rozova 1963 trilobite
 Olenida - Aphelaspidae
Maduiya sp.
Maduiya sp. Rozova 1963 trilobite