Traits taxon details
original description
Thomas, G. A. (1958). The Permian Orthotetacea of Western Australia. <em>Bureau of Mineral Resources, Geology and Geophysics Bulletin.</em> 39: 1-158. [details] Available for editors 
taxonomy source
Archbold, N. W. (1990). Studies on Western Australian Permian brachiopods 9. The Sterlitamakian brachiopod fauna of the Cuncudgerie Sandstone, Canning Basin. <em>Proceedings of the Royal Society of Victoria.</em> 102(1): 1-13. note: Archbold (1990) recognized Permorthotetes as a distinct genus from Orthotetes, noting that earlier authors regarded them as synonymous. [details] Available for editors 
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