This skull will need to be prepared to find out what it is.
It looks a bit too narrow to be from Diplurus newarki, (although, it could be) .
It could also possibly be from the early ray finned fish, Turseodus sp. or Synorichthys sp., which are known from the same strata.
Newark Supergroup, Newark Basin, Late Triassic, Lockatong Formation.
North Bergen New Jersey. Granton Quarry.