Where: Alaska (65.0° N, 141.0° W: paleocoordinates 2.4° N, 42.2° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Salmontrout Limestone Formation, Pragian (410.8 - 407.6 Ma)
• 600 ft. thick, Location 64 Ac, Sec. 752 (821)
Environment/lithology: offshore; argillaceous, silty limestone and limestone
Size class: macrofossils
Preservation: mold/impression, adpression, replaced with pyrite
Collected by Churkin and Carter; reposited in the USNM
Collection methods: chemical,
• etched out of limestone with Formic Acid
Primary reference: M. Churkin and C. Carter. 1970. Devonian tentaculitids of east-central Alaska; systematics and biostratigraphic significance. Journal of Paleontology 44(1):51-68 [A. Miller/J. Wittmer]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 79151: authorized by Arnold Miller, entered by Jacalyn Wittmer on 26.02.2008
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Tentaculita | |
| |
| |
Conodonta | |
Conodonta indet. conodont |