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Sclerites and possible mouthparts of Wiwaxia from the temperate palaeolatitudes of Colombia, South America

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Abstract:

The problematic mollusc Wiwaxia is perhaps the most widely distributed non-mineralized Cambrian metazoan, but has only been reported from palaeotropical latitudes. Here, we describe mid-Cambrian (Drumian, c. 504 Ma) sclerites and possible tooth arrays from the northern Llanos Basin, Colombia, recovered from drilled ditch cuttings by palynological processing – demonstrating that pristine material and low-manipulation processing are not essential to the recovery of Small Carbonaceous Fossils. This, the first report of Wiwaxia from South America, substantially expands Wiwaxia's geographic range into the high palaeolatitudes.

Tópico:

Paleontology and Stratigraphy of Fossils

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Citations: 6
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Información de la Fuente:

SCImago Journal & Country Rank
FuenteLethaia
Cuartil año de publicaciónNo disponible
Volumen49
Issue3
Páginas393 - 397
pISSNNo disponible
ISSN0024-1164

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