Also known as field No. 68ATo18
Where: Alaska (69.0° N, 148.1° W: paleocoordinates 54.6° N, 47.7° W)
• coordinate stated in text
When: Shublik Formation, Norian (228.0 - 208.5 Ma)
Environment/lithology: marine; lithified, black shale and lithified, concretionary limestone
•and others (1975)"
•This locality is estimated to be at about Locality 4 in Fig. 1 of Silberling et al 1997.
Size classes: macrofossils, mesofossils
Collected by H. A. Tourtelot in 1968; reposited in the USGS
Primary reference: N. J. Silberling, J. A. Grant-Mackie, and K. M. Nichols. 1997. The Late Triassic bivalve Monotis in accreted terranes of Alaska. United States Geological Survey Bulletin 2151:1-21 [W. Kiessling/U. Merkel]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 139027: authorized by George Stanley, entered by Hannah Shepherd on 07.02.2013
Creative Commons license: CC BY (attribution)