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Shachemys laosiana
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, which is in an Aptian/Albian terrestrial horizon in the Grès supérieurs Formation of Laos.
Synonymy list
Year | Name and author |
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2004 | Shachemys laosiana de Lapparent de Broin p. 394 fig. 1 |
2013 | Shachemys laosiana Syromyatnikova and Danilov |
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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.
†Shachemys laosiana de Lapparent de Broin 2004
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Diagnosis
Reference | Diagnosis | |
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F. de Lapparent de Broin 2004 | differs 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. |