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Ceratodus kirklandi
Taxonomy
Ceratodus kirklandi was named by Frederickson and Cifelli (2017). Its type specimen is BYU 20808, a partial skull (right pterygopalatine plate with attached pterygopalatine), and it is a 3D body fossil.
Sister species lacking formal opinion data
Synonymy list
Year | Name and author |
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2017 | Ceratodus kirklandi Frederickson and Cifelli p. 150 |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
†Ceratodus kirklandi Frederickson and Cifelli 2017
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Diagnosis
Reference | Diagnosis | |
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J. A. Frederickson and R. L. Cifelli 2017 | A ceratodontid of moderate size; pterygopalatine plate with five ridges and a fifth ridge crest that is variably expanded into a flat crushing surface, with twinning present. Prearticular plate with four main ridges; fourth ridge always twinned, giving the specimens five ridge crests. Prearticular plates have a groove on the lingual edge of the occlusal surface to accommodate the inner angle of the upper tooth plate. |