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Zhuchengceratops inexpectus
Taxonomy
Zhuchengceratops inexpectus was named by Xu et al. (2010). Its type specimen is ZCDM V0015, a partial skeleton, and it is a 3D body fossil. Its type locality is Kugou Quarry, Zhucheng, which is in a Campanian terrestrial sandstone in the Hongtuya Formation of China. It is the type species of Zhuchengceratops.
Synonymy list
| Year | Name and author |
|---|---|
| 2010 | Zhuchengceratops inexpectus Xu et al. p. 2 figs. 1-8 |
| 2012 | Zhuchengceratops inexpectus Ryan et al. p. 69 |
| 2020 | Zhuchengceratops inexpectus Wang et al. p. 959 |
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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.
†Zhuchengceratops inexpectus Xu et al. 2010
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| X. Xu et al. 2010 | A leptoceratopsid with the following autapomorphies: maxilla with a posteroventrally oriented edentulous posterior process, mandible extremely deep (mid-length height about one-third of mandibular length), mandible very thin transversely (ratio of ventral margin width to mandibular length about 0.03), medial surface of mandible with two large fossae separated by thick curved ridge along dentary-splenial contact, predentary sub-vertically oriented (posterior edge forms angle of about 75 degrees with tooth row in lateral view), anterior end of dentary deeper than coronoid region, anterior portion of Meckelian groove floored by both dentary and splenial and much wider than posterior portion, surangular with additional fossa immediately anterior to glenoid fossa, surangular with sharp anteroventral process inserting into dentary in lateral view, articular with semilunate fossa immediately posterior to glenoid fossa, dorsal edge of splenial step-wise in medial view, and middle cervical ribs bifurcated due to presence of prominent accessory dorsal process (condition poorly known in other ceratopsians). |
Measurements
No measurements are available
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| Source: subo = suborder, o = order | |||||
| References: Marsh 1875, Norman and Weishampel 1991 | |||||