Where: Alaska (65.5° N, 141.0° W: paleocoordinates 43.4° N, 26.7° W)
• coordinate stated in text
• small collection-level geographic resolution
When: Takhandit Formation, Wordian (266.9 - 264.3 Ma)
• From pebbly limestone and chert-pebble conglomerate mapped as Step Conglomerate by Brabb and Churkin (1969)
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified, pebbly limestone
Size class: macrofossils
Primary reference: E. E. Brabb and R. E. Grant. 1971. Stratigraphy and paleontology of the revised type section for the Takhandit Limestone (Permian) in east-central Alaska. United States Geological Survey Professional Paper 703:1-25 [M. Clapham/M. Clapham]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 102580: authorized by Matthew Clapham, entered by Matthew Clapham on 17.01.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
Strophomenata | |
Thamnosia arctica Whitfield 1908 | |
? Kochiproductus sp. Dunbar 1955 | |