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Chelonoidis gallardoi

Reptilia - Testudines - Testudinidae

Taxonomy
Testudo gallardoi was named by Rovereto (1914). Its type specimen is MACN 5206, a partial shell (partial shell of an adult individual), and it is a 3D body fossil. Its type locality is Santa Maria Valley Andalhuala Fm, which is in the Montehermosan/Chapadmalalan of horizon the Andalhuala Formation Argentina.

It was recombined as Chelonoidis gallardoi by Auffenberg (1974), de Broin and de la Fuente (1993), de la Fuente (1997), de la Fuente et al. (2014) and de la Fuente et al. (2018).

Synonymy list
YearName and author
1914Testudo gallardoi Rovereto
1942Testudo gallardoi Simpson p. 2
1974Chelonoidis gallardoi Auffenberg
1993Chelonoidis gallardoi de Broin and de la Fuente p. 202
1997Chelonoidis gallardoi de la Fuente
2014Chelonoidis gallardoi de la Fuente et al.
2018Chelonoidis gallardoi de la Fuente et al.

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
Sarcopterygii
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda()
Reptiliomorpha
Anthracosauria
RankNameAuthor
Batrachosauria()
Cotylosauria()
Amniota
Sauropsida
classReptilia
Testudinata(Oppel 1811)
orderTestudinesBatsch 1788
suborderCryptodira
Pantestudinoidea
superfamilyTestudinoidea
Pantestudinidae
familyTestudinidaeBatsch 1788
genusChelonoidis()
speciesgallardoi()

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
ReferenceDiagnosis
M. S. de la Fuente et al. 2018Member of Testudinidae based on the following characters: presence of neural differentiation; coincidence of costo-peripheral sutures with pleuro-marginal sulci; fusion of twelfth marginal scutes; presence of a well-developed epiplastral lip. It is further characterized by a high, long and convex shell with neural and costal gibbosities. It differs from Ch. australis by the presence of gibbosities on both neural and costal bones, by the estimated length/wide ratio of the carapace, the presence of a deep anal notch, and the relative proportions of anterior and posterior plastral lobes. It differs from the extant Ch. nigra complex by a plastron proportionally not reduced with anterior and posterior plastral lobe relatively wide and by elongated gular and anal scutes.