Where: Alaska (66.9° N, 141.0° W: paleocoordinates 15.1° N, 53.0° W)

When: Katian (453.0 - 445.2 Ma)

• Upper Ordovician strata in an unnamed Cambrian(?)– Ordovician limestone unit (denoted on map as COl) of Brabb (1970), exposed in several curvilinear bands in the northeastern part of the Black River D-1 1:63,360 scale quadrangle, east-central Alaska (Fig. 1)

• formation-level stratigraphic resolution

Environment/lithology: marine; limestone

Size class: macrofossils

Preservation: replaced with silica

Reposited in the USNM

Collection methods: bulk, acetic

Primary reference: J. Jin and R. B. Blodgett. 2020. Late Ordovician brachiopods from east-central Alaska, northwestern margin of Laurentia. Journal of Paleontology 94(4):637-652 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 223863: authorized by Pete Wagner, entered by Pete Wagner on 08.12.2021

Creative Commons license: CC BY (attribution)