In Class Reptilia - Alligator The alligator has a supratemporal fenestra and a i
ID: 3478913 • Letter: I
Question
In Class Reptilia - Alligator
The alligator has a supratemporal fenestra and a infratemporal fenestra. Based on this information, what type of skull does the alligator have? Compare the postorbital with the postorbital process of the frontal that is found in mammals.
What does the quadrate articulate with in reptiles? This bone is a remnant of the ______ and part of the ______.
Articular - It articulates with the quadrate. It is a derivative of ______. It is therefore part of the ______ cranium.
Explanation / Answer
Because of both supra and infra temporal fenestra present in the alligator skull, it comes under the classification of AMNIOTE-DIAPSID type.
The posto orbital bone or arch is the bony structure that connects the frontol bone of the skull to the zygomatic arch. Whereas the posto orbital process is the projection on the frontol bone near the upper edge of the eye socket.
The quadrate bone articulate with the quadratojugal and squamosal in the skull, and forms part of the jaw joint the other part is the articular bone at the rear end of the lower jaw. It is a part of jaw but the remnant of skull.
Articular bone is a part of lower jaw.