The Cretaceous acorn barnacle Archaeochionelasmus nekvasilovae Kočí, Newman and Buckeridge, 2017 (Cirripedia, Neobalanomorpha) is a fragmentary rudist (Bivalvia, Mollusca)

Andy S. Gale, Peter W. Skelton

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    Abstract

    The unique holotype of Archaeochionelasmus nekvasilovae Kočí, Newman and Buckeridge, 2017, from the upper Cenomanian of the Czech Republic, supposedly an early neobalanomorph belonging to the extant family Chionelasmatidae, is compared in detail with chionelasmatids and rudist bivalves. The morphology and shell structure demonstrate that, rather than being a barnacle, it is a poorly preserved fragment of a rudist, which roughly mimics the form of an incomplete balanomorph wall.
    Original languageEnglish
    Pages (from-to)251-256
    JournalCretaceous Research
    Volume91
    Early online date30 May 2018
    DOIs
    Publication statusPublished - 1 Nov 2018

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