Screen Islands (22G) (Triassic of the United States)
Where: Alaska (56.1° N, 132.7° W: paleocoordinates 0.5° N, 68.5° W)
• coordinate based on nearby landmark
When: Triassic (251.9 - 201.4 Ma)
Environment/lithology: lithified limestone
Size class: macrofossils
Collected by E.M. Kindle in 1905
Primary reference: A. F. Buddington and T. Chapin. 1929. Geology and mineral deposits of southeastern Alaska. United States Geological Survey Bulletin 800:1-398 [A. Miller/S. Kolbe]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 112298: authorized by Arnold Miller, entered by Sarah Kolbe on 08.07.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
• Identified by G.H. Girty.
Show authors, comments, and common names
| Echinoidea | |
|
? Archaeocidaris sp. M'Coy 1844 sea urchin | |
| Crinoidea | |
|
Crinoidea indet. Miller 1821 Sea lily | |
| Rhynchonellata | |
|
Cyrtia sp. Dalman 1828 | |
|
"Dielasma" sp. King 1856 | |
| Gastropoda | |
|
? Murchisonia sp. d'Archiac and de Verneuil 1841 snail | |
"? Tuberculopleura sp." = Microdoma
"? Tuberculopleura sp." = Microdoma Meek and Worthen 1867 snail | |
|
Pleurotomaria sp. Defrance 1826 snail | |
| Bivalvia | |
"Aviculipecten sp." = Aviculopecten
"Aviculipecten sp." = Aviculopecten M'Coy 1851 scallop | |