ammonites
Narrow Cape (Miocene of the United States)

Where: Alaska (57.4° N, 152.5° W: paleocoordinates 58.4° N, 148.9° W)

• coordinate estimated from map

When: Narrow Cape Formation, Langhian (16.0 - 13.7 Ma)

• lower middle Miocene

Environment/lithology: coastal; fine-grained, gray sandstone and siltstone

Size class: macrofossils

Preservation: original phosphate

Primary reference: C. A. Repenning and R. H. Tedford. 1977. Otarioid seals of the Neogene. Geological Survey Professional Paper 992:1-93 [M. Uhen/M. Uhen] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 59983: authorized by Mark Uhen, entered by Mark Uhen on 25.04.2006