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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Portellsaurus sosbaynati
Taxonomy
Portellsaurus sosbaynati was named by Santos-Cubedo et al. (2021). Its type specimen is MQ98-II-1, a mandible (R dentary), and it is a 3D body fossil. Its type locality is Mas de Curolles-II, which is in a Barremian/Barremian lagoonal sandstone/siltstone in the Mirambel Formation of Spain. It is the type species of Portellsaurus.
Synonymy list
| Year | Name and author |
|---|---|
| 2021 | Portellsaurus sosbaynati Santos-Cubedo 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.
†Portellsaurus sosbaynati Santos-Cubedo et al. 2021
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. Santos-Cubedo et al. 2021 | Styracosternan hadrosauroid distinguished by two autapomorphies: the absence of a bulge along the ventral margin directly ventral to the base of the coronoid process, convergent with the two more derived hadrosauroids Altirhinus kurzanovi and Sirindhorna khoratensis, and the presence of a deep oval cavity on the medial surface of the mandibular adductor fossa below the eleventh-twelfth tooth position. Internally, the cavity connects with the last nutrient foramina (the most caudal).
It is also diagnosed by the following unique combination of features: (1) a straight morphology of the ventral margin of the rostral ramus (convergent with Iguanodon, Ouranosaurus, Barilium, Lanzhousaurus, Jinzhousaurus, Bolong, and Dakotadon); (2) rostral tip not raised respect to the ventral margin (unlike in Ouranosaurus, and Bolong); (3) dorsal and ventral margins parallels (unlike in I. galvensis, and O. nigeriensis with divergent dorsal and ventral margins); (4) presence of a diastema (unlike in Lanzhousaurus, and Dakotadon); (5) absence of a bulge along ventral margin directly ventral to the base of the coronoid process (unlike in Jinzhousaurus, and Ouranosaurus). |
Measurements
No measurements are available
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| Source: subo = suborder, o = order | |||||
| References: Benton 1983, Marsh 1875 | |||||
Age range: base of the Early/Lower Barremian to the top of the Late/Upper Barremian or 130.00000 to 125.45000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Barremian - Late/Upper Barremian | Spain (Castellón) | Portellsaurus sosbaynati (type locality: 221147) |