Also known as G.C.M.-6
Where: Alaska (55.2° N, 131.8° W: paleocoordinates 0.1° S, 70.9° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Nehenta Formation, Lacian (221.5 - 215.6 Ma)
• Probably about 100 feet below locality 8704.
• group of beds-level stratigraphic resolution
Environment/lithology: lithified, massive limestone
Size class: macrofossils
Collected by Martin and Overbeck in 1914; 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: general faunal/floral analysis
PaleoDB collection 112236: authorized by Arnold Miller, entered by Sarah Kolbe on 07.07.2011, edited by Catherine Powers
Creative Commons license: CC BY (attribution)
Taxonomic list
Anthozoa | |
Anthozoa indet. Ehrenberg 1834 | |
"Stylophyllopsis zitteli" = Phacelostylophyllum zitteli
"Stylophyllopsis zitteli" = Phacelostylophyllum zitteli Frech 1890 stony coral | |
"Confusastrea cowichanensis" = Ampakabastraea cowichanensis
"Confusastrea cowichanensis" = Ampakabastraea cowichanensis Clapp and Shimer 1911 stony coral Included in synonymy of K. decussata and K. cowichanensis by Stanley & Whalen, 1989
| |
Hydrozoa | |
Spongiomorpha gibbosa Frech 1890 | |
Bivalvia | |
Cassianella sp. Beyrich 1862 oyster | |
? Myophoria sp. Bronn 1834 clam | |
Gastropoda | |
Protorcula bassetti n. sp.
| |
"Natica" sp. Scopoli 1777 moon snail |