Cephalopoda - Ammonoidea - Diplomoceratidae

Full reference: C. J. Maury. 1930. O Cretaceo da Parahyba do Norte. Serviço Geologico E Mineralogico do Brasil Monographia 8:1-305

Belongs to Glyptoxoceras according to C. J. Maury 1930

Sister taxa: Glyptoxoceras aquisgranense, Glyptoxoceras brasiliense, Glyptoxoceras ellisoni, Glyptoxoceras retrorsum, Glyptoxoceras rugatum, Glyptoxoceras texanum

Type specimen: Its type locality is Right bank of Rio Gramame (Sphenodiscus zone), which is in a Maastrichtian carbonate limestone in Brazil

Ecology: fast-moving nektonic carnivore