Where: Aleutians East County, Alaska (56.0° N, 160.5° W: paleocoordinates 57.5° N, 157.7° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Unga Conglomerate Formation, Middle Miocene (16.0 - 11.6 Ma)
Environment/lithology: marine; lithology not reported
Size class: macrofossils
Collection methods: Collections examined by F.S. MacNeil and D. Taylor (USGS), 1962. Collections are reposited at USGS Menlo Park, or presumably USNM (not reported)
Primary reference: F. S. MacNeil. 1967. Cenozoic Pectinids of Alaska, Iceland, and Other Northern Regions. Geological survey professional paper [W. Kiessling/M. Krause]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 187023: authorized by Wolfgang Kiessling, entered by Mihaela Krause on 11.07.2017
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
Chlamys (Swiftopecten) sp. Hertlein 1935 scallop |