Sharp, recurved teeth are carried by the mandibles, the pterygoids, palatines, maxillaries, and in the Pythoninae by the premaxillaries also. [Please select]
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In the Penguin the premaxillaries are relatively shorter than in the wild duck; and the inferior points of the paramastoids more prominent. [Please select]
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The premaxillaries are in contact medially; each has a long, flat nasal process. [Please select]
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The alary processes of the premaxillaries are widely separated, concave posteriorly, and vertical. [Please select]
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The premaxillaries and rostral elements are not preserved in any of the specimens. [Please select]
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_--The shortest distance between the anteriormost projections of the premaxillaries and a line touching the posterior surfaces of the exoccipital condyles. [Please select]
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The maxillaries bear well-developed dorsal flanges, curve gently, join the moderately convex premaxillaries anteriorly and form a slightly truncate snout. [Please select]
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