Where: Nevada (39.3° N, 114.9° W: paleocoordinates 12.0° N, 36.9° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Arcturus Formation, Artinskian (290.1 - 279.3 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified limestone and lithified, calcareous sandstone

Size class: macrofossils

Collection methods: mechanical,

Primary reference: C. J. Duffin and D. J. Ward. 1983. Neoselachian sharks' teeth from the Lower Carboniferous of Britain and the Lower Permian of the USA. Palaeontology 26(1):93-110 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 90280: authorized by Matthew Clapham, entered by Matthew Clapham on 15.07.2009

Creative Commons license: CC BY (attribution)