Exact(47)
In an interesting evolutionary twist, it seems that snout shape, teeth and size evolved along separate paths.
However, a significant allometric growth of the snout is observed during which the snout shape changes from relatively short and broad in juveniles to relatively long and slender in adults.
The snout shape of crocodilians varies between species.
This study also found no correlation between bite force and snout shape.
Crocodilians are largely carnivorous, and the diets of different species can vary with snout shape and tooth sharpness.
Groombridge (1980 , 1986 united V. palaestinae and Daboia as a clade based on a number of shared apomorphies, including snout shape and head color pattern.
Similar(13)
To test whether the snout is optimised for suction feeding throughout an ontogeny, we simulated the expansion of different snout shapes varying from extremely long and slender to short and broad for juvenile and adult snout sizes, using computational fluid dynamic models.
They have a variety of snout shapes, but can be recognised because the fourth tooth of the lower jaw is visible when the mouth is closed.
This pattern of snout shapes is reminiscent of the pattern seen in modern ungulates.
Snout shapes in diplodocoids include both rounded and square snouts, similar to those seen in hadrosaurid dinosaurs.
The snout shapes of macronarian sauropods like Brachiosaurus and Camarasaurus are consistently rounder than those of diplodocoid sauropods.
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