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Miragaia
Taxonomy
Miragaia was named by Mateus et al. (2009).
It was synonymized subjectively with Dacentrurus by Cobos and Gascó (2013) and Mocho et al. (2017).
It was assigned to Dacentrurinae by Mateus et al. (2009), Ulansky (2014) and Costa and Mateus (2019).
It was synonymized subjectively with Dacentrurus by Cobos and Gascó (2013) and Mocho et al. (2017).
It was assigned to Dacentrurinae by Mateus et al. (2009), Ulansky (2014) and Costa and Mateus (2019).
Species
Synonyms
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Synonymy list
Year | Name and author |
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2009 | Miragaia Mateus et al. |
2014 | Natronasaurus Ulansky p. 6 |
2014 | Miragaia Ulansky p. 7 |
2014 | Natronasaurus Ulansky p. 7 |
2016 | Alcovasaurus Galton and Carpenter p. 189 |
2019 | Miragaia Costa and Mateus p. 19 |
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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. †Miragaia Mateus et al. 2009
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†Miragaia longicollum Mateus et al. 2009
†Miragaia longispinus Gilmore 1914
Invalid names: Alcovasaurus Galton and Carpenter 2016 [synonym], Natronasaurus Ulansky 2014 [synonym]
Diagnosis
Reference | Diagnosis | |
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F. Costa and O. Mateus 2019 | Miragaia possesses the following synapomorphies (with some characters reinterpreted and modified from [18]): (i) transverse processes present in all caudal vertebrae; (ii) neural arch of mid and posterior caudal vertebrae one third or less the heigth and width of the centrum; (iii) outline of mid and posterior caudal centra is apple-shaped, with deep excavation of the neural canal; (iv) lateral ossification of the posterior rim of the posteriormost caudal centra.
The following feature is probably also unique to the genus Miragaia: (v) two pairs of elongate posterior dermal tail spines (~90% of femoral length) with slender shafts. |