Brachylepas Woodward and Virgiscalpellum Withers (Cirripedia) from the Upper Cretaceous of Arkansas

Author:

Zullo Victor A.,Russell Ernest E.,Mellen Frederic F.

Abstract

Brachylepas americana n. sp. is described from abundant and well-preserved capitular and basal whorl plates from a littoral facies in the basal part of an Upper Cretaceous (upper Campanian) conglomerate questionably assigned to the Brownstown Formation in Hot Spring County, Arkansas. The new species resembles the European littoral Campanian–Maastrichtian species B. guascoi (Bosquet), and differs markedly from the only other known American species, B. angulosa Collins, from the Upper Cretaceous middle Ripley Formation of Mississippi. A few juvenile carinae of Virgiscalpellum may represent V. gabbi apertus Collins, previously known from the Ripley and basal Prairie Bluff Formations in Mississippi.

Publisher

Cambridge University Press (CUP)

Subject

Paleontology

Reference7 articles.

1. Woodward H. 1901. On “Pyrgoma cretacea,” a cirripede from the Upper Chalk of Norwich and Margate. Geological Magazine of London, (decade iv)VIII:145–152, 240, 528.

2. Cirripedes from the Upper Cretaceous of Alabama and Mississippi;Collins;eastern Gulf Region, U.S.A., I. Palaeontology. Bulletin of the British Museum (Natural History), Geology,1973

3. New barnacle records from the Upper Cretaceous of Alabama

4. Withers T. H. 1935. Catalogue of fossil Cirripedia in the Department of Geology, Volume II, Cretaceous. British Museum (Natural History), London, xiii + 532 p.

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