GSC 23406, Maunoir Butte (Triassic of Canada)

Where: Yukon, Canada (61.5° N, 135.1° W: paleocoordinates 28.0° N, 72.7° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: magnus ammonoid zone, Lewes River Group, Lacian (221.5 - 215.6 Ma)

• Formation D

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified lithology not reported

Size class: macrofossils

Collected by E.T. Tozer in 1953; reposited in the GSC

Primary reference: E. T. Tozer. 1994. Canadian Triassic Ammonoid Faunas. Geological Survey of Canada Bulletin 467:1-663 [A. McGowan/A. McGowan/A. McGowan]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 137117: authorized by Matthew Clapham, entered by Matthew Clapham on 10.12.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

 Ceratitida - Tibetitidae
? Sirenotibetites sp. Tozer 1994 ceratite
 Ceratitida - Tropitidae
Arietoceltites lewesensis n. sp. Tozer 1994 ceratite
 Ceratitida - Juvavitidae
Indojuvavites sp. Diener 1916 ceratite