Where: Alaska (56.9° N, 134.1° W: paleocoordinates 1.8° N, 72.6° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Lacian (221.5 - 215.6 Ma)
• "Upper Triassic slates, of lower Noric? age"
Environment/lithology: marine; lithified shale
Size class: macrofossils
Preservation: mold/impression
Collected by G.H. Girty; reposited in the USNM
Primary reference: J. P. Smith. 1927. Upper Triassic marine invertebrate faunas of North America. United States Geological Survey Professional Paper 141:1-262 [D. Bottjer/C. Powers/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 144386: authorized by Matthew Clapham, entered by Matthew Clapham on 06.05.2013, edited by Catherine Powers
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
Halobia symmetrica n. sp.
Halobia symmetrica n. sp. Smith 1927 oyster |