This new mesethmoid limbs of your Acre Phractocephalus is like you to from ?P
In progressive P. hemioliopterus the fresh new associated main region of the skull roof is virtually entirely ornamented because of the reticulating ridges and you can pits, with couple or no elongate, synchronous ridges and you can sulci ( Fig. 4a). About Acre Phractocephalus this new central section of the head rooftop has many elongate ridges and you can sulci together with reticulating ridges and you will pits.
This new horizontal ethmoid bones of P
2) Mesethmoid limbs very broad ( Dining table step one); dorsal epidermis extensively ornamented; anterior boundary rarely emarginate in order to softly round ( Fig. 3a). Read More
