The quadratojugal exists only as a small spur and is not in contact with the maxillary.
The quadratojugal is present as a small anteriorly projecting spur that does not connect with the maxillary.
Usually the quadratojugalis present only as a short element attached to the quadrate, but in one specimen of P.
The quadratojugal is a small spine-shaped element projecting anteriorly from the ventral base of the quadrate; the quadratojugal does not articulate with the maxillary.
The posterior upper arm is closely applied to the pro-otic, while the posterior lower arm meets the pterygoid and quadratojugal at the angle of the jaw, and surrounds the narrow cartilaginous bar of the quadrate which goes to join the cranium.
Behind it is bounded by a continuation of the post-temporal bar formed of the squamosal and quadratojugal, and below by an =infratemporal arcade=, which is chiefly composed of the quadratojugal and jugal.
Just behind the quadratojugal there is a small unossified area which lies at the angle of the mouth, and is connected by a narrow bar of cartilage with the cranium; this forms the =quadrate= (figs.
The horizontal parts form the posterior part of the secondary palate, while the dorsal surface of each looks into the =pterygoid fossa=, a large cavity lying below the quadrate and quadratojugal at the side of the skull.
The quadratojugal is not ossified, and the quadrate articulates with the exoccipital.
The Chamaeleons also, among the Squamata, have a fixed quadrate, and in them too the quadratojugal is absent.
When followed back the maxillae and quadratojugal diverge further and further from the cranium, till the angle of the mouth comes to be separated from the foramen magnum by a space nearly double the width of the cranium.
Most skulls of ferox differ from those of muticus and spinifer in having the greatest width at the level of the quadratojugal (as do some T.
Occasionally the width at the level of the quadratojugal and squamosal is the same, or the greatest width of skull may be ventrad between the quadrates, which are slightly flared laterally.
The mentomecklians do not ossify until approximately the same time that the quadratojugal appears in the upper jaw.
The dorsal end of the ventral arm of the squamosal and the posterior arm of the squamosal ossify as a unit at the same time the quadratojugal appears.
The skull is large, solid, and broader than long; the greatest width is between the sutures of quadratojugal and maxillary on either side of the skull (Pls.
Furthermore, in pinorum the quadratojugal articulates with the maxillary, whereas in pellita the quadratojugal is reduced to a small spur and does not articulate with the maxillary.
They are covered dorsally and laterally by the parietal, squamosal, postfrontal, postorbital, quadratojugal and jugal bones.
Anteroposterior sliding of the palate seems impossible in view of the firm palatoquadrate and quadrate-quadratojugal articulations.
The masseter probably arose from the quadratojugal, the jugal, and ventral parts of the squamosal, although scars on the quadratojugal and jugal are lacking.
Eupsophus differs from Hylactophryne in possessing a frontoparietal fontanelle, in generally having a maxillary-quadratojugal gap, and in having a free swimming tadpole stage.
The quadratojugal is absent, and the maxillary tapers to a point posteriorly.
Hyla cyclomaculata to this group, but because these two species have a quadratojugal and notably different tadpoles, they are excluded from the group.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "quadratojugal" in a variety of sentences. We hope that you will now be able to make sentences using this word.
