Islet south of Conclusion Island - 403 (Silurian of the United States)
Where: Alaska (56.4° N, 133.8° W)
• coordinate based on nearby landmark
When: Silurian (443.8 - 419.2 Ma)
Environment/lithology: marine; lithified conglomerate and lithified slate
• Cobbles in Silurian volcanic and conglomerate formation and intercalated slate and limestone.
Size class: macrofossils
Collected by A.F. Buddington
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 111844: authorized by Arnold Miller, entered by Sarah Kolbe on 29.06.2011
Creative Commons license: CC0 (CC0)
Taxonomic list
• Identified by E. Kirk.
Show authors, comments, and common names
| Stromatoporoidea | |
|
Idiostroma sp. Winchell 1867 stromatoporoid sponge | |
| Rhynchonellata | |
|
Conchidium sp. Oehlert 1887 | |