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Shachemys laosiana

Reptilia - Testudines - Adocidae

Taxonomy
Shachemys laosiana was named by de Lapparent de Broin (2004). Its type specimen is Musee des Dinosaures BLT 1, a partial skeleton, and it is a 3D body fossil. Its type locality is Ban Lam Thoy, Tang Vay, which is in an Aptian/Albian terrestrial horizon in the Grès supérieurs Formation of Laos.

Synonymy list
YearName and author
2004Shachemys laosiana de Lapparent de Broin p. 394 fig. 1
2013Shachemys laosiana Syromyatnikova and Danilov

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
Sarcopterygii
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda()
Reptiliomorpha
RankNameAuthor
Anthracosauria
Batrachosauria()
Cotylosauria()
Amniota
Sauropsida
classReptilia
Testudinata(Oppel 1811)
orderTestudinesBatsch 1788
suborderCryptodira
Adocusia
familyAdocidae
genusShachemysKuznetsov 1976
specieslaosiana

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
F. de Lapparent de Broin 2004differs from S. baibolitica in the: - anterior border of the dorsal carapace rounded, ovoid by progressive elongation toward the mid-line of the anterior peripherals and all the nuchal, not notched; - narrower axillary notches because of the more rounded and wider border of the anterior lobe; - very weak medial depression on the rounded posterior lobe border; - the anterior limit with the vertebral 5 of the marginals 12 only medially on the suprapygal (up to the pleural 8 in S. b. ancestralis). More primitive in the wider vertebrals.