Where: Russian Federation (59.1° N, 31.8° E: paleocoordinates 35.0° S, 2.2° E)

• coordinate stated in text

When: Duboviki Formation, Darriwilian (467.3 - 458.4 Ma)

• Middle Ordovician, Darriwilian Stage, Azeri Regional Stage, Duboviki Formation.

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Preservation: original calcite

Collection methods: Borissiak Paleontological Institute of the Russian Academy of Sciences, Moscow (PIN)

Primary reference: S. V. Rozhnov. 2016. Aboral nervous system in two Ordovician crinoids: Reconstruction and comparison of Baltic Pentamerocrinus Jaekel and Grammocrinus Eichwald. Paleontological Journal 50(2):163-173 [P. Novack-Gottshall/P. Novack-Gottshall]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 202061: authorized by Phil Novack-Gottshall, entered by Phil Novack-Gottshall on 20.06.2019

Creative Commons license: CC BY (attribution)