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Bondoceras
Taxonomy
Bondoceras was named by Sidor (2023). It was considered monophyletic by Sidor (2023).
It was assigned to Burnetiamorpha by Sidor (2023).
It was assigned to Burnetiamorpha by Sidor (2023).
Synonymy list
| Year | Name and author |
|---|---|
| 2023 | Bondoceras Sidor |
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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.
G. †Bondoceras Sidor 2023
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| C. A. Sidor 2023 | Autapomorphic in possessing a median triangular wedge of bone extending posteroventrally from the posterior skull roof surface, continued ventrally by a strong nuchal ridge and separating the occiput into a pair of deep fossae with dorsolateral pockets. In large specimens, the median frontal excrescence is taller and more pronounced than the supraorbital bosses. Also characterized by the following unique combination of characters: hemispherical nasal boss; dorsal orbital margin uniformly thickened and not creating a distinct peak in lateral view; pineal region rounded and formed by diffuse pachyostosis, dorsal squamosal boss either absent or comparatively small. |
Measurements
No measurements are available
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| Source: c = class, subp = subphylum, uc = unranked clade | |||||
| References: Hendy et al. 2009, Carroll 1988 | |||||
Collections
No collection or age range data are available