Table 1. Linear and volumetric dimensions of the discussed endocasts and endosseous labyrinths.
Erlikosaurus andrewsi | Nothronychus mckinleyi | Falcarius utahensis(UMNH VP 15000) | Falcarius utahensis (UMNH VP 15001) | |
Endocast length (includingolfactory apparatus) [mm] | 101 | – | – | – |
Olfactory apparatus length [mm] | 36 | – | – | – |
Maximum width of cerebralhemispheres [mm] | 38 | – | – | – |
Maximum height of cerebralhemispheres [mm] | 20 | – | – | – |
Maximum length of cerebralhemispheres [mm] | 30 | – | – | – |
Endocast volume (as preserved)[mm3] | 34 118 | 11 526 | 19 561 | 23 437 |
Cerebral hemispheres volume[mm3] | 13 958 | – | – | – |
Cochlear duct length [mm] | 11.06 | 9.93 (right) | 12.85 (left)/13.79 (right) | 13.80 (left)/11.92 (right) |