| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Oxalaia
Taxonomy
Oxalaia was named by Kellner et al. (2011). Its type is Oxalaia quilombensis. It was considered monophyletic by Kellner et al. (2011).
It was synonymized subjectively with Spinosaurus by Smyth et al. (2020).
It was assigned to Spinosauridae by Candeiro et al. (2012); and to Spinosaurinae by Kellner et al. (2011), Arden et al. (2019), Malafaia et al. (2020) and Isasmendi et al. (2023).
It was synonymized subjectively with Spinosaurus by Smyth et al. (2020).
It was assigned to Spinosauridae by Candeiro et al. (2012); and to Spinosaurinae by Kellner et al. (2011), Arden et al. (2019), Malafaia et al. (2020) and Isasmendi et al. (2023).
Species
O. quilombensis (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 2011 | Oxalaia Kellner et al. p. 100 figs. 1-4 |
| 2012 | Oxalaia Candeiro et al. p. 223 |
| 2019 | Oxalaia Arden et al. p. 279–280 |
| 2020 | Oxalaia Malafaia et al. p. 432 |
| 2023 | Oxalaia Isasmendi et al. p. 919 |
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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.
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. W. A. Kellner et al. 2011 | As for the type and only species. |
Measurements
No measurements are available
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| Source: o = order | |||||
| Reference: Marsh 1875 | |||||
Age range: Cenomanian or 100.50000 to 93.90000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Cenomanian | Brazil (Maranhão) | Spinosaurus sp. (56365) |