Annotated checklist of the recent and extinct pythons (Serpentes, Pythonidae), with notes on nomenclature, taxonomy, and distribution Author Schleip, Wulf D. Author O'Shea, Mark text ZooKeys 2010 66 29 80 http://dx.doi.org/10.3897/zookeys.66.683 journal article http://dx.doi.org/10.3897/zookeys.66.683 1313-2970-66-29 Python sardus (Portis, 1901) [extinct species, nomen dubium] Synonyms: Paleopython sardus - Portis 1901 Paleryx sardus (Portis) - Kuhl 1963 ? Python sardus (Portis) - Rage 1984 Holotype: Articulated palatine and anterior pterygoid fragment (not traced). Type locality: Monte Albu (=Alba?)(Sardinia) Italy, middle Miocene (MN 6 or 7+8). Remarks: Szyndlar and Rage (2003: 72-73) considered this name a nomen dubium as it is indistinguishable from other (extinct) Python .