USGS Mesozoic M2552 (Triassic of the United States)

Also known as 64ATr120

Where: Alaska (68.7° N, 165.8° W: paleocoordinates 60.0° N, 41.5° W)

• coordinate stated in text

When: Otuk Formation, Norian (228.0 - 208.5 Ma)

Environment/lithology: marine; lithology not reported

Size classes: macrofossils, mesofossils

Collected by I. L. Tailleur

Primary reference: J. A. Grant-Mackie and N. J. Silberling. 1990. New Data on the Upper Triassic Bivalve Monotis in North America, and the New Subgenus Pacimonotis. Journal of Paleontology 64(2):240-254 [G. Stanley/H. Shepherd]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 140037: authorized by George Stanley, entered by Hannah Shepherd on 27.02.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

 Pectinida - Monotidae
Monotis (Entomonotis) pachypleura Teller 1886 scallop
USNM 425086, 425087, 425088, 425089, 425090