Abstract
Ptenidium kishenehnicum Shockley and Greenwalt, a new species of feather-winged beetle (Coleoptera: Ptiliidae), is described from 46 million year old Kishenehn oil shales in Montana, USA. This compression fossil is the first beetle species to be described from this formation. A checklist of known fossils and their ages is provided.
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Schedule a callMore From: Proceedings of the Entomological Society of Washington
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