Abstract

Rogerella cragini, n. sp., a burrow of a heretofore undescribed species of acrothoracic barnacle, is restricted to host shells of Ceritella proctori (Cargin), a gastropod, R . cragini is known only from the Edwards limestone (middle Albian [Cretaceous]) of Travis County, Texas. A second, indeterminate, acrothoracic barnacle burrow occurs on silicified shells from the Word formation [Permian] of the Glass Mountains, Texas.

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