Where: Alaska (65.2° N, 141.7° W: paleocoordinates 43.4° N, 27.1° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: Takhandit Formation, Wordian (266.9 - 264.3 Ma)
• Limestone Unit, 16 feet above base of unit
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified 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 102550: authorized by Matthew Clapham, entered by Matthew Clapham on 17.01.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
Strophomenata | |
Neochonetes sp. Muir-Wood 1962 | |
? Waagenoconcha cf. irginae Stuckenberg 1898 | |
"Liosotella pseudohorrida" = Anemonaria pseudohorrida
"Liosotella pseudohorrida" = Anemonaria pseudohorrida Wiman 1914 | |
Yakovlevia mammata Keyserling 1846
Horridonia sp. Chao 1927 | |
Rhynchonellata | |
Rhynchopora sp. King 1865 | |
Pterospirifer sp. Dunbar 1955 |