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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.
|K. -Q. Gao et al. 2000||A medium-sized (snout-vent length up to 300 mm) choristoderan reptile characterized by the possession of a small supratemporal fenestra; infratemporal fenestra secondarily closed by expansion of postorbital, quadratojugal and squamosal; frontal markedly narrow and constricted; gastralia extremely slender, three or four rows to each body segment, and five elements to each row|