What does the antorbital fenestra do?
The Function of the Antorbital Fenestra Thus the antorbital fenestra is associated with the nasal passage and likely housed an air-filled sac, thereby lightening the skull’s weight. Do all dinosaurs have antorbital fenestra? Among extant archosaurs, birds still possess antorbital fenestrae, whereas crocodylians have lost them. … In contrast, most ornithischian dinosaurs reduce and even…