TitleOldest, smallest Newberria (Brachiopoda) from the Eifelian (Early Middle Devonian) of west-central Alaska
Publication TypeJournal Article
Year of Publication2003
AuthorsBoucot, A, Blodgett, RB
JournalNeues Jahrbuch Fur Geologie Und Palaontologie-Monatshefte
Type of ArticleJournal Article

Newberria pygmaea n. sp. is established from early Eifelian age strata of the upper part of the Cheeneetnuk Limestone, McGrath A-5 quadrangle. This is the oldest representative of the genus Newberria. The new species may indicate that Newberria rather than Subrensselandia is ancestral to the stringocephalids. The new stringocephalid subfamily Subrensselandiinae is proposed and diagnosed. The species is a distinctive faunal element of the Cheeneetnuk Limestone, part of the Farewell terrane of southwestern and west-central Alaska. Recently acquired data on biogeographic affinities of Devonian fossils from the Farewell terrane indicate that it most probably formed as a rifted continental margin sequence derived from the Siberian paleocontinent.

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