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Abydosaurus mcintoshi
Taxonomy
Abydosaurus mcintoshi was named by Chure et al. (2010). Its type specimen is DINO 16488, a partial skeleton, and it is a 3D body fossil. Its type locality is DNM 16, Dinosaur National Monument, which is in a Cenomanian fluvial sandstone/mudstone in the Cedar Mountain Formation of Utah.
Synonymy list
| Year | Name and author |
|---|---|
| 2010 | Abydosaurus mcintoshi Chure et al. |
| 2011 | Abydosaurus mcintoshi Saegusa and Tomida p. 254 |
| 2011 | Abydosaurus mcintoshi Taylor et al. p. 91 |
| 2012 | Abydosaurus mcintoshi D'Emic |
| 2012 | Abydosaurus mcintoshi Sprinkel et al. p. 9 |
| 2012 | Abydosaurus mcintoshi Tweet et al. p. 322 |
| 2013 | Abydosaurus mcintoshi Winkler et al. p. 460 |
| 2016 | Abydosaurus mcintoshi Kirkland et al. p. 45 |
| 2018 | Abydosaurus mcintoshi Simón et al. p. 8 |
| 2023 | Abydosaurus mcintoshi Poropat et al. p. 1 |
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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.
†Abydosaurus mcintoshi Chure et al. 2010
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| D. J. Chure et al. 2010 | A. mcintoshi is a titanosauriform sauropod based on the presence of camellate pneumaticity in its cervical vertebrae. It is diagnosed by a nasal lateral process directed anteriorly and lacking a posterior hook; maxilla narial process with dorsal articulation for the nasal; nasals overlap asymmetrically on the midline; external nares smaller than the orbit; upper crown apices shifted distally; upper tooth shafts twist through an arc of nearly 45°; and tooth wear present only mesially. |