Tigyan-Yuryakh River, section 2, bed 4 (Cretaceous of Russian Federation)

Where: Russian Federation (73.7° N, 111.0° E: paleocoordinates 75.5° N, 88.0° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Bidichotomus ammonoid zone, Late/Upper Valanginian (140.2 - 136.4 Ma)

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified shale

Size class: macrofossils

Collected by Bogomolov in 1984

Primary reference: Y. I. Bogomolov. 1989. Poliptikhity (Ammonity) i biostratigrafiya boreal'nogo Valanzhina. Akademiya Nauk SSSR, Sibirskoe Otdelenie Trudy Instituta Geologii I Geofiziki 696:1-199 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 189671: authorized by Matthew Clapham, entered by Matthew Clapham on 04.11.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Pectinida - Limidae
"Limatula ex gr. consobrina" = Lima (Limatula) consobrina
"Limatula ex gr. consobrina" = Lima (Limatula) consobrina d'Orbigny 1845 file clam
Cephalopoda
 Ammonitida - Polyptychitidae
"Polyptychites (? Dichotomites) sp." = Dichotomites
"Polyptychites (? Dichotomites) sp." = Dichotomites Koenen 1909 ammonite