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Isaberrysaura
Taxonomy
Isaberrysaura was named by Salgado et al. (2017). Its type is Isaberrysaura mollensis.
It was assigned to Neornithischia by Salgado et al. (2017); to Thyreophora by Dieudonné et al. (2020); and to Stegosauria by Maidment et al. (2020).
It was assigned to Neornithischia by Salgado et al. (2017); to Thyreophora by Dieudonné et al. (2020); and to Stegosauria by Maidment et al. (2020).
Species
I. mollensis (type species)
Synonymy list
Year | Name and author |
---|---|
2017 | Isaberrysaura Salgado et al. p. 2 |
2020 | Isaberrysaura Dieudonné et al. |
2020 | Isaberrysaura Maidment et al. p. 93 |
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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. †Isaberrysaura Salgado et al. 2017
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†Isaberrysaura mollensis Salgado et al. 2017
Diagnosis
Reference | Diagnosis | |
---|---|---|
L. Salgado et al. 2017 | Isaberrysaura differs from all other ornithischian dinosaurs in the following autapomorphies: premaxilla with posterolateral process that does not contact the lacrimal, elongated maxilla and correlated increase in the tooth count and snout length, and the posterior process of the jugal at least as long as the anterior one. The phylogenetic analysis revealed that this dinosaur also differs from all other ornithischians in the following combination of synapomorphies: two supraorbitals incorporated into the orbital margin (char. 32, from 0 to 1, shared with Agilisaurus, Haya, Thescelosaurus and Pachycephalosauria), a broad contact between the postorbital and the parietal (char. 51, from 0 to 1, shared with Pachycephalosauria), subcircular supratemporal fenestrae (char. 66, from 0 to 1, shared with most ceratopsians), and an anteriorly downturned dentary row (char. 98, from 0 to 1, shared with Thyreophora). |
Measurements
No measurements are available
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Source: o = order | |||||
Reference: Marsh 1875 |
Age range: Early/Lower Bajocian or 171.60000 to 168.40000 Ma
Collections: one only
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Early/Lower Bajocian | Argentina (Neuquén) | I. mollensis (184943) |