«ARIMIDELPHIS SORBINII A NEW SMALL KILLER WHALE-LIKE DOLPHIN FROM THE PLIOCENE OF MARECCHIA RIVER (CENTRAL EASTERN ITALY) AND A PHYLOGENETIC ANALYSIS OF THE ORCININAE (CETACEA: ODONTOCETI)». 2005. Rivista italiana di Paleontologia e Stratigrafia 111 (2). https://doi.org/10.13130/2039-4942/6324.