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Article: A new burnetiid from the middle Permian of Zambia and a reanalysis of burnetiamorph relationships

Papers in Palaeontology - Volume 7 Issue 1 - Cover
Publication: Papers in Palaeontology
Volume: 7
Part: 3
Publication Date: August 2021
Page(s): 1261 1295
Author(s): Christian F. Kammerer, and Christian A. Sidor
DOI: 10.1002/spp2.1341
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How to Cite

KAMMERER, C.F., SIDOR, C.A. 2021. . Papers in Palaeontology, 7, 3, 1261-1295. DOI: /doi/10.1002/spp2.1341

Author Information

  • Christian F. Kammerer - North Carolina Museum of Natural Sciences 11 W. Jones Street Raleigh NC 27601 USA
  • Christian A. Sidor - Department of Biology & Burke Museum University of Washington Seattle WA 98195-1800 USA

Publication History

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    A new taxon of burnetiamorph therapsid, Mobaceras zambeziense gen. et sp. nov., is described on the basis of a partial skull recovered from the lower Madumabisa Mudstone Formation (Guadalupian) of Zambia. This taxon can be distinguished from all previously known burnetiamorphs by its unique cranial boss morphology, including a bulbous nasal boss on a ‘stalk’ and highly discretized, exaggerated anterior and posterior supraorbital bosses. Burnetiamorph phylogeny has recently become contentious; here, support for conflicting phylogenetic topologies is evaluated on a character-by-character basis and a revised phylogenetic analysis is presented. The clades Burnetiamorpha and Burnetiidae are supported with their traditional composition, including genera (viz. Bullacephalus and Pachydectes) recently assigned to a separate family (Bullacephalidae, here considered synonymous with Burnetiidae). The traditional dichotomy within Burnetiidae into Burnetiinae and Proburnetiinae is upheld, with Mobaceras recovered as a burnetiine, along with BullacephalusBurnetiaNiuksenitia, and Pachydectes.

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