Also known as Reef 50
Where: Alaska (55.2° N, 131.8° W: paleocoordinates 0.4° S, 70.1° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Nehenta Formation, Lacian (221.5 - 215.6 Ma)
Environment/lithology: perireef or subreef; lithified limestone
Size class: macrofossils
Preservation: replaced with calcite, replaced with silica
Collected by T.E. Bassett, C.O. Blackburn
• Repository: Stanford University
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 33424: authorized by David Bottjer, entered by Catherine Powers on 29.07.2003, edited by Matthew Clapham and Wolfgang Kiessling
Creative Commons license: CC BY (attribution)
Taxonomic list
Anthozoa | |
Thamnastraea rectilamellosa minor stony coral
"Isastrea parva" = Ceriostella parva Smith 1927 stony coral | |
"Confusastrea borealis n. sp." = Kuhnastraea incrassata Frech 1890 stony coral | |
Curtoseris dunlapcanyonae3 Roniewicz and Stanley 2013 stony coral Isastrea parva specimen in pl 114, fig 9 only
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