Witmer, L. M., and R. C. Ridgely. 2008. The paranasal air sinuses of ...
Witmer, L. M., and R. C. Ridgely. 2008. The paranasal air sinuses of ...
Witmer, L. M., and R. C. Ridgely. 2008. The paranasal air sinuses of ...
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DINOSAUR PARANASAL AIR SINUSES<br />
1383<br />
Figure 8.<br />
(continued)<br />
(Figs. 5 <strong>and</strong> 6), the heads <strong>of</strong> Majungasaurus <strong>and</strong> Tyrannosaurus<br />
weighed 32.1 <strong>and</strong> 515.5 kg, respectively. <strong>The</strong><br />
bony skulls (meaning real bone, not fossilized bone)<br />
would have weighed 8.0 <strong>and</strong> 16.6 kg, respectively. <strong>The</strong><br />
tables also list the volumes <strong>of</strong> the various <strong>paranasal</strong> <strong>and</strong><br />
paratympanic <strong>sinuses</strong>. Table 4 presents the results <strong>of</strong><br />
the calculations comparing the proportion <strong>of</strong> the head<br />
<strong>and</strong> skull occupied by <strong>sinuses</strong>. Tables 1–4 also present