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Article: An enigmatic Silurian metazoan from Gotland

Publication: Palaeontology
Volume: 24
Part: 1
Publication Date: January 1981
Page(s): 195 202
Author(s): Lesley Herns
Addition Information

How to Cite

HERNS, L. 1981. An enigmatic Silurian metazoan from Gotland. Palaeontology24, 1, 195–202.

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The Palaeontological Association (Free Access)


An articulated specimen of a vagile metazoan with at least twelve similar, calcitic, dorsal skeletal sclerites is described from the Hemse Beds (Silurian, Ludlow Series) of Gotland, Sweden, as Selenoplax ogmota gen. et sp. nov. In thin section, a sclerite shows a microstructure of posteriorly radiating, interfering spherulitic cones of calcite with fine growth lamellae; the original composition can be inferred to have been calcitic. Suprageneric taxonomic relationships are assessed but as yet it is not possible to assign the genus to any known phylum.
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