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Silurian trilobites from NE Queensland and the classification of effaced trilobites

Published online by Cambridge University Press:  01 May 2009

P. D. Lane  and
A. T. Thomas
P. D. Lane
Affiliation:
Geology Department, University of Keele, Keele, Staffs ST5 5BG
A. T. Thomas
Affiliation:
Sedgwick Museum, Downing Street, Cambridge CB2 3EQ
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Summary

A trilobite fauna of Llandovery/Wenlock age is described. Five species are represented:Rhax polllnctrix gen. et sp. nov. (Scutelluidae), a warburgelline?, Sphaerexochus sp.,Encrinurus? sp., and a calymenid. The morphology of R. pollinctrix supports the view that Bumastus is a scutelluid, and consequently that the Illaenidae, as presently conceived, is polyphyletic.

Type
Articles
Information
Geological Magazine , Volume 115 , Issue 5 , September 1978 , pp. 351 - 358
Copyright
Copyright © Cambridge University Press 1978

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