Also known as Coaledo Formation (Haynes Slough), Coos Bay)
Where: Coos County, Oregon (43.5° N, 124.2° W: paleocoordinates 44.4° N, 110.8° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Lower Member (Coaledo Formation), Bartonian (41.3 - 38.0 Ma)
• The lower Coaledo member is predominantly sandy. Stratigraphically above the Hardy Coal bed
• bed-level stratigraphic resolution
Environment/lithology: coastal; poorly lithified, medium-grained, coarse, gray, blue sandstone
Size class: macrofossils
Collection methods: quarrying,
Primary reference: J. E. Allen and E.M. Baldwin. 1944. Geology and coal resources of the Coos Bay Quadrangle, Oregon. State of Oregon Department of Geology and Mineral Industries Bulletin 27:1-160 [A. Miller/A. Hendy/A. Hendy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 37870: authorized by Austin Hendy, entered by Austin Hendy on 25.03.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
Cerithiopsis sp. Hanley 1849 snail | |
"Ectinochilus macilenta" = Ectinochilus (Macilentos) macilentus
"Ectinochilus macilenta" = Ectinochilus (Macilentos) macilentus White 1889 true conch Subspecies: Ectinochilus macilenta oregonensis
|