The palatines are long, always fused anteriorly with the premaxilla, and fre quently with the maxillo-palatine processes; posteriorly they slide upon the presphenoidal rostrum, and articulate in most birds with the pterygoids; they form the greater part of the palatal roof and border the choanae or inner nares. [Please select]
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; tympanum 2/3 to 3/4 diameter of eye; prevomerine elevations about size of choanae 4 Snout-vent length less than 30 mm. [Please select]
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; tympanum less than 1/2 diameter of eye; prevomerine elevations smaller than choanae 5 4. [Please select]
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Prevomerine teeth 5-5, on large ovoid elevations at level of posterior edges of small round choanae. [Please select]
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Prevomerine teeth 5-6, situated on transverse ridges between posterior borders of small round choanae. [Please select]
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Prevomerine teeth 3-4, situated on short elevations between small round choanae; vocal slits absent. [Please select]
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Prevomerine teeth 4-4, situated on posteromedially inclined elevations between small ovoid choanae. [Please select]
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Prevomerine teeth 6-7, situated on robust transverse ridges between small, ovoid choanae. [Please select]
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); they have the thighs weakly barred or vermiculate anteriorly and posteriorly or unmarked, an ill-defined interorbital triangular mark, linear markings dorsally, and small choanae. [Please select]
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_--Size medium; skull longer than wide; frontoparietal fontanelle absent in adults; snout subovoid; choanae rounded; dorsal stripes present; black vermiculations on posterior surfaces of thighs. [Please select]
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