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Temporal fenestrae in relation to the other skull openings in the dinosaur Massospondylus, a type of diapsid. The supratemporal fenestra, also called the upper temporal fenestra, is positioned above the other fenestra and is exposed primarily in dorsal (top) view. In some reptiles, particularly dinosaurs, the parts of the skull roof lying ...
Euryapsida is a polyphyletic (unnatural, as the various members are not closely related) group of sauropsids that are distinguished by a single temporal fenestra, an opening behind the orbit, under which the post-orbital and squamosal bones articulate.
This schematic shows the skull viewed from the left side. The middle opening is the orbit of the eye; the opening to the right of it is the temporal fenestra. Synapsids evolved a temporal fenestra behind each eye orbit on the lateral surface of the skull. It may have provided new attachment sites for jaw muscles. A similar development took ...
The infratemporal fenestra (also: lateral temporal fenestra) is a major opening on the side of the skull behind the orbit. [1]: 140 It is bordered by the postorbital in its upper front, the squamosal in its upper back, the quadratojugal in its lower back, and the jugal in its lower front corner. [25]: 37 intercentrum
The name Diapsida means "two arches", and diapsids are traditionally classified based on their two ancestral skull openings (temporal fenestrae) posteriorly above and below the eye. This arrangement allows for the attachment of larger, stronger jaw muscles, and enables the jaw to open more widely.
The Peach Bowl referee declined to call a targeting penalty late in the fourth quarter for a helmet-to-helmet hit by Texas safety Michael Taaffe that could've given Arizona State a chance to kick ...
An anapsid is an amniote whose skull lacks one or more skull openings (fenestra, or fossae) near the temples. [1] Traditionally, the Anapsida are considered the most primitive subclass of amniotes, the ancestral stock from which Synapsida and Diapsida evolved, making anapsids paraphyletic.
This time, he was caught red-pawed opening the door. Grimsen, probably coming up with another scheme. Unfortunately for a freedom-loving feline like Grimsen, it’s important that doors remain ...