Cartersoceras
Cartersoceras is a genus of nautiloid cephalopods placed in the Orthocerid family Baltoceratidae , established by Rousseau Flower ( 1964 ) , for species formally included in part in "Murrayoceras" , and in part in "Sacotoceras" . 
<triplet> Baltoceratidae <subj> Orthocerid <obj> parent taxon