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