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Article: Revision of two Upper Cambrian trilobites

Publication: Palaeontology
Volume: 11
Part: 3
Publication Date: July 1968
Page(s): 410 420
Author(s): A. W. A. Rushton
DOI:
Addition Information

How to Cite

RUSHTON, A. W. A. 1968. Revision of two Upper Cambrian trilobites. Palaeontology11, 3, 410–420.

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The Palaeontological Association (Free Access)

Abstract

Conocoryphe? bucephala Belt, 1868, from the Upper Ffestiniog and Lower Dolgelly Beds of Wales and possibly England, is re-illustrated; the pygidium is described for the first time; the species is transferred from the Olenid genus Beltella to which it was referred by Lake (1919) to Parabolinoides Frederickson, a genu: widely known in the approximately contemporaneous Conaspis Zone in the U.S.A.Sphaerophthalmus major Lake, 1913, though regarded by Henningsmoen (1957) as of questionable validity is distinguishable from other species of Sphaerophthalmus; S. major occurs in England, Wales, and Sweden, anc probably in Norway and eastern Canada, in the Zone of Peltura scarabaeoides.
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