NEOGONIOLITHON CONTII COMB. NOV. BASED ON THE TAXONOMIC RE-ASSESSMENT OF MASTRORILLI’S ORIGINAL COLLECTIONS FROM THE OLIGOCENE OF NW ITALY (TERTIARY PIEDMONT BASIN)” (2007) RIVISTA ITALIANA DI PALEONTOLOGIA E STRATIGRAFIA , 113(1). doi:10.13130/2039-4942/6357.