Title

A new species of Arianops from central Arkansas and biogeographic implications of the interior highlands Arianops species (Coleoptera: Pselaphidae)

Document Type

Article

Publication Date

1-1-1990

Abstract

Arianops copelandi Carlton, new species, is based on specimens from Pinnacle Mountain, Pulaski County, Arkansas. It is the third of a monophyletic group of species that occur in the Ouachita Mountains and Arkoma Basin Highlands. This trio represents a basal lineage within the Arianops phylogeny that was isolated from the main Arianops lineage in the southern Appalachians during the late Cretaceous subsidence of the Mississippi Embayment. The apparent absence of Arianops species from the Ozark Mountains is interpreted as evidence for the pre-Jurassic isolation of the Ozark Uplift from the Ouachita Mountains by the Arkoma Basin. -Authors

Publication Source (Journal or Book title)

Coleopterists Bulletin

First Page

365

Last Page

371

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