Section 20
Chapter 19,478

Morphologic classification of sponge spicules, with descriptions of siliceous spicules from the Lower Ordovician Bellefonte dolomite in central Pennsylvania

Butler Phillip, E.

Journal of Paleontology 35(1): 191-200


ISSN/ISBN: 0022-3360
DOI: 10.2307/1301166
Accession: 019477576

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Siliceous sponge spicules from the Bellefonte dolomite near Union Furnace, central Pennsylvania, are described and illustrated. The new species, Hyalostelia clinopentactinoides, is described. Hyalostelia Zittel and the genotype, Hyalostelia smithii (Young and Young), from the Carboniferous of Scotland, are briefly discussed. A morphologic classification for siliceous spicules, based with some modifications upon review of previous work, is presented together with illustrations of major spicule types.

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