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Ajkaceratops kozmai
Taxonomy
Ajkaceratops kozmai was named by Osi et al. (2010). Its type specimen is MTM V2009.192.1, a partial skull (fused premaxillae and rostral bones with fragments of the maxillae), and it is a 3D body fossil. Its type locality is Iharkút mine, Bakony mountains (Unit 1), which is in a Santonian crevasse splay claystone/sandstone in the Csehbánya Formation of Hungary.
Synonymy list
| Year | Name and author |
|---|---|
| 2010 | Ajkaceratops kozmai Osi et al. p. 466 fig. 1 |
| 2010 | Ajkaceratops kozmai Xu et al. p. 13 |
| 2017 | Ajkaceratops kozmai Godefroit et al. p. 6 |
| 2019 | Ajkaceratops kozmai Morschhauser et al. p. 134 |
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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.
†Ajkaceratops kozmai Osi et al. 2010
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. Osi et al. 2010 | Differs from all other coronosaurian ceratopsians in the following character combination (* indicates autapomorphies): (1) large oval accessory fenestra are present between the premaxilla and maxilla, with the nasal excluded from its margin; (2*) the part of the premaxilla ventral to the external naris and the accessory fenestra is dorsoventrally shallow relative to its rostrocaudal length; (3*) the caudolateral process of the premaxilla is curved along its length becoming nearly horizontal caudally; (4*) the buccal margins of the predentary are sharp and not bevelled. |