parapophysis + rib of vertebra 3 + rib of vertebra 4
parapophysis + rib of vertebra 4
parasphenoid +
parietal-supraoccipital
perichondral bone
pharyngobranchial bone +
posterior ceratohyal
posterior nuchal plate
posterior radial
postfrontal bone
postorbital bone
postsphenoidal bone
posttemporal +
preethmoid bone
prefrontal bone
prenasal ossicle
presphenoid bone
procoracoid bone
prootic bone +
pseudoangular +
pseudodentary
pterosphenoid
pterotic
pterotic-posttemporal-supracleithrum
pterygoid bone +
A bone which corresponds to the inner plate of the pterygoid process of the human skull, but which, in all vertebrates below mammals, is not connected with the posterior nares, but serves to connect the palatine bones with the point of suspension of the lower jaw.