Where: Russian Federation (67.1° N, 52.7° E)

• Paleocoordinates: 30.5° N, 30.7° E (Wright 2013)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Ayyuvinskiy Formation, Gzhelian (303.7 - 298.9 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified lithology not reported

Size class: macrofossils

Collected by V.P. Barkhatova in 1948

• Repository: TsGM (Central Geological and Prospecting Museum, St. Petersburg)

Primary reference: V. P. Barchatova. 1968. Horridonidae. Novye Vidy Drevnikh Rasteniy i Bespozvonochnykh SSSR 2:98-100 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 128671: authorized by Matthew Clapham, entered by Matthew Clapham on 15.06.2012

Creative Commons license: CC0 (CC0)