Table 2. Comparison of endocast and labyrinth proportions in pseudosuchians (phytosaurs and crocodile-line archosaurs).
Ratios highlight proportions of the olfactory tract, cerebrum, pituitary, and endosseous labyrinth, and are calculated from Table 1. Question marks denote missing data. For anatomical abbreviations, see Fig. 1 and Table 1.
| Ebrachosaurus (phytosaur) | Parasuchus (phytosaur) | Pseudopalatus (phytosaur) | Desmatosuchus (aetosaur) | Pelagosaurus (thalattosuchian) | Steneosaurus (teleosauroid) | |
|---|---|---|---|---|---|---|
| CW:SW | 0.18 | 0.24 | 0.13 | ? | 0.29 | ? |
| CW:EL | 0.18 | 0.20 | 0.14 | 0.29 | 0.26 | ? |
| OL:EL | 0.53 | 0.50 | 0.51 | 0.26 | 0.37 | ? |
| PW:PH | ? | ? | ? | ? | 0.86 | 1.16 |
| PW:PL | ? | ? | ? | ? | 0.60 | 0.82 |
| PL:(EL-OL) | 0.15 | 0.17 | ? | 0.18 | 0.28 | 0.23 |
| LW: LH | 1.29 | 1.29 | ? | ? | 0.79 | 1.00 |
| ECL:LH | 0.39 | 0.43 | ? | ? | 0.55 | 0.50 |
| AA:PA | 1.25 | 1.80 | ? | ? | 1.50 | 2.00 |
| AA:LA | 2.84 | 1.44 | ? | ? | 2.25 | 2.71 |
| PA:LA | 2.27 | 0.80 | ? | ? | 1.50 | 1.36 |