Boyarka River, Khatanga region (Kimmeridgian) (Jurassic of Russian Federation)

Where: Russian Federation (70.3° N, 97.5° E: paleocoordinates 71.5° N, 81.8° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Kimmeridgian (157.3 - 152.1 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

Size class: macrofossils

Collection methods: Repository: IGiG (Institute for Geology and Geophysics, Novosibirsk)

Primary reference: A. S. Dagys. 1968. Yurskie i Rannemelovye brakhiopody Severa Sibiri. Akademiya Nauk SSSR, Sibirskoe Otdelenie Trudy Instituta Geologii I Geofiziki 1-167 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 135574: authorized by Matthew Clapham, entered by Matthew Clapham on 28.10.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

 Brachyura - Portunidae
"Ptilorhynchia lenaensis" = Portunidae
"Ptilorhynchia lenaensis" = Portunidae swimming crab