is a bone of the head of higher vertebrates
. It is the principal component of the cheek region in the skull, lying below the temporal series and otic
notch and bounded anteriorly by postorbital. Posteriorly, the squamosal articulates with the posterior elements of the palatal complex, namely the quadrate
. The squamosal is bordered anteroventrally by the jugal
and ventrally by the quadratojugal
Roemer, A. S. 1956. Osteology of the Reptiles. University of Chicago Press. 772 pp.