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Laquintasaura venezuelae
Taxonomy
Laquintasaura venezuelae was named by Barrett et al. (2014). Its type specimen is MBLUZ P.1396, a tooth, and it is a 3D body fossil. Its type locality is Rio La Grita, which is in a Hettangian terrestrial siltstone in the La Quinta Formation of Venezuela.
Synonymy list
| Year | Name and author |
|---|---|
| 2014 | Laquintasaura venezuelae Barrett et al. p. 2 figs. 1-2 |
| 2017 | Laquintasaura venezuelae Díaz-Martínez et al. p. 918 |
| 2020 | Laquintasaura venezuelae Breeden and Rowe p. 3 |
| 2020 | Laquintasaura venezuelae Desojo et al. p. 27 |
| 2020 | Laquintasaura venezuelae Dieudonné et al. |
| 2020 | Laquintasaura venezuelae Yang et al. p. 4 |
| 2021 | Laquintasaura venezuelae Breeden et al. p. 9 |
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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.
†Laquintasaura venezuelae Barrett et al. 2014
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| P. M. Barrett et al. 2014 | Laquintasaura can be differentiated from other early ornithischians by the following autapomorphic combination of dental characters: cheek tooth crowns have isosceles-shaped outlines, which are apicobasally elongate, taper apically, are mesiodistally widest immediately apical to the root/crown junction, possess coarse marginal denticles extending for the
full lengths of the crown margins, and possess prominent apicobasally extending striations on their labial and lingual surfaces. Postcranial autapomorphies include: sharply inflected dorsal margin of ischium dorsal to the obturator process; femoral fibula epicondyle medially inset in posterior or ventral views; and astragalus with a deep, broad, ‘U’-shaped notch in anterior surface. |
Measurements
No measurements are available
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| Source: o = order | |||||
| Reference: Marsh 1875 | |||||
Age range: Hettangian or 201.30000 to 199.30000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Hettangian | Venezuela (Táchira) | Lesothosaurus sp. (type locality: 55294) |