“THE ICHNOFOSSIL GENUS PARADICTYODORA OLIVERO, BUATOIS &Amp; SCASSO(2004) FROM THE PLIOCENE OF THE NORTHERN APENNINES, ITALY”. 2008. RIVISTA ITALIANA DI PALEONTOLOGIA E STRATIGRAFIA 114 (1). https://doi.org/10.13130/2039-4942/6375.