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
Abstract
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.