Data from: Evolutionary changes in pubic orientation in dinosaurs are more strongly correlated with the ventilation system than with herbivory

Loredana Macaluso & Emanuel Tschopp
Among dinosaurs, the pubis has convergently retroverted four times in Maniraptora (Theropoda) and once in Ornithischia. Although a clear correlation has not been demonstrated, it has been previously proposed that two traits were related to pubic retroversion: the reduced importance of cuirassal ventilation, and a herbivorous diet. Here, we analyse the possible influence of these traits on pubis orientation. Cuirassal ventilation was plesiomorphically present as an accessory ventilation mechanism in Dinosauria and was powered by...
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