New Permian Albaillellid Radiolarians from West Texas

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Abstract
Two new species of albaillellid radiolarians, Albaillella foremanae and Pseudoalbaillella cona, have been recovered in the Permian Bone Spring Limestone of the Delaware Basin of West Texas. Preservation of the radiolarians is exquisite. Internal skeletal structures are sufficiently preserved to verify that Parafollicucullus was derived from Albaillella, but was not directly in the Albaillella to Follicucullus lineage. The presence of Pseudoalbaillella in the Bone Spring is compatible with the postulated Pseudoalbaillella Assemblage Zone of Late Morrowan to Leonardian age.

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