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Article: Classification and phylogeny of homalonotid trilobites

Publication: Palaeontology
Volume: 20
Part: 1
Publication Date: January 1977
Page(s): 159 178
Author(s): A. T. Thomas
Addition Information

How to Cite

THOMAS, A. T. 1977. Classification and phylogeny of homalonotid trilobites. Palaeontology20, 1, 159–178.

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The Palaeontological Association (Free Access)


The composition, classification, and phylogeny of the Homalonotidae are discussed, and new family and subfamily diagnoses given. Plaesiacomia hughesi sp. nov. and P. vacuvertis sp. nov. from the Llanvirn of Wales and Saudi Arabia respectively, and Platycoryphe dyaulax sp. nov. from the Llandovery of Saudi Arabia, are described.
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