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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Niebla
Taxonomy
Niebla was named by Aranciaga Rolando et al. (2021). Its type is Niebla antiqua.
It was assigned to Abelisaurinae by Aranciaga Rolando et al. (2021).
It was assigned to Abelisaurinae by Aranciaga Rolando et al. (2021).
Species
N. antiqua (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 2021 | Niebla Aranciaga Rolando et al. p. 3 |
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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. †Niebla Aranciaga Rolando et al. 2021
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†Niebla antiqua Aranciaga Rolando et al. 2021
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| M. Aranciaga Rolando et al. 2021 | Abelisaurid theropod diagnosable on the basis of the following combination of characters (autapomorphies marked by an asterisk): 1) strongly thickened and heavily sculptured frontals, 2) frontals with deep longitudinal groove surrounding the supraorbital swelling*, 3) frontals with short bony platform for the contact with the nasal, 4) anteroposteriorly elongate supratemporal fenestra *, 5) parietal with posterolaterally oriented parietal alae*, 6) nuchal wedge of supraoccipital bone subequal in dorsoventral depth to the dorsoventral height of the occipital condyle*, 5) associated groove of the postemporal foramen completely enclosed by parietal and exoccipital-opisthotic bones*, 6) bony plate below the occipital condyle subrectangular in contour and dorsoventrally taller than transversely wide*, 7) forebrain with large olfactory tract and bulbs, and 8) paired laminae over the mesethmoid. |
Measurements
No measurements are available
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| Source: o = order | |||||
| Reference: Marsh 1875 | |||||
Age range: base of the Late/Upper Campanian to the top of the Early/Lower Maastrichtian or 83.60000 to 66.00000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Campanian - Early/Lower Maastrichtian | Argentina (Río Negro) | N. antiqua (222575) |