Protoaulacoceras is a genus of belemnite, an extinct group of cephalopods. Paleontology portal Belemnite List of belemnites Sepkoski, Jack (2002). "A compendium...

†Phragmoteuthis †Pleurobelus †Praeoxyteuthis †Produvalia †Prographularia †Protoaulacoceras †Pseudobelus †Pseudodicoelites †Pseudohastites †Quiricobelus †Raphibelus...