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Archaeoceratops yujingziensis
Taxonomy
Archaeoceratops yujingziensis was named by You et al. (2010). Its type specimen is CAGS-IG-VD-003, a partial skeleton, and it is a 3D body fossil. Its type locality is Archaeoceratops, Yujingzi Basin, which is in an Aptian terrestrial siliciclastic in the Xiagou Formation of China.
Synonymy list
| Year | Name and author |
|---|---|
| 2010 | Archaeoceratops yujingziensis You et al. p. 60 figs. 3.2-3.6 |
| 2012 | Archaeoceratops yujingziensis Tanoue et al. p. 125 |
| 2012 | Archaeoceratops yujingziensis You et al. p. 171 |
| 2014 | Archaeoceratops yujingziensis Tanoue and Okazaki p. 80 |
| 2015 | Archaeoceratops yujingziensis Han et al. p. 1 |
| 2019 | Archaeoceratops yujingziensis Morschhauser et al. p. 37 |
| 2019 | Archaeoceratops yujingziensis Morschhauser et al. p. 109 |
| 2019 | Archaeoceratops yujingziensis Suarez et al. p. 22 |
| 2019 | Archaeoceratops yujingziensis You et al. p. 4 |
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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.
†Archaeoceratops yujingziensis You et al. 2010
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| H.-L. You et al. 2010 | A. yujingziensis possesses four autapomorphies that do not exist in A. oshimai: a laterally deflected rostral end of the maxilla, causing a spoon-shaped premaxillary beak with the premaxillary teeth placed lateral to the line of the maxillary teeth; striations on the enameled premaxillary teeth, perhaps combined with their ventrolateral orientation; lack of a primary ridge on the maxillary teeth; and a horizontal shelf on the dentary teeth. |