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Gopherus donlaloi

Reptilia - Testudines - Testudinidae

Taxonomy
Gopherus donlaloi was named by Reynoso and Montellano-Ballesteros (2004). Its type specimen is IGM 6076, a partial skeleton (young adult with complete skull, partial shell, and many postcrania), and it is not a trace fossil. Its type locality is Ejido San Lázaro, which is in a Rancholabrean terrestrial claystone in Mexico.

Synonymy list
YearName and author
2004Gopherus donlaloi Reynoso and Montellano-Ballesteros p. 823
2018Gopherus donlaloi Vlachos

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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
genusGopherusRafinesque 1832
speciesdonlaloi

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
E. Vlachos 2018Gopherus donlaloi can be diagnosed as a member of Gopherus based on the characters mentioned above. Gopherus donlaloi differs from other Gopherus by the following combination of characters: larger size, more oval shape of the external nares, with a broad ventral process of the prefrontal and a wide dorsal process of the premaxilla extending between the nares, premaxillary ridge ending in a T-shaped structure (not with a forked Y-shaped end), nasopalatine foramen considerably small and rounded, basioccipital and basipterygoid shortened anteroposteriorly, single inguinal scute separated from the femoral scute, and pisiform probably present and from Gopherus hexagonatus in the additional differentiation of the neural series.