Micro-CT study of Middle Ordovician Spumellaria (radiolarians) from western Newfoundland, Canada

Author:

Kachovich SarahORCID,Aitchison Jonathan C.

Abstract

AbstractA new, previously undescribed Middle Ordovician (middle Darriwilian: Dw2) radiolarian assemblage has been recovered from the Table Cove Formation at Piccadilly Quarry, western Newfoundland. Constituents of the fauna described herein are both distinctive and exceptionally well preserved. Three-dimensional X-ray micro-computed tomography (μ-CT) is used to make a detailed examination of four key spumellarian specimens. This technology enables visualization of hitherto ambiguous details of the internal morphologies of key lower Paleozoic taxonomic groups, among which a lack of knowledge has impeded resolution of higher taxonomic rankings.

Publisher

Cambridge University Press (CUP)

Subject

Paleontology

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