Schemes including Ophisaurus attenuatus

• IUCN Red List of Threatened Species. Version 2012.1 Ophisaurus attenuatus
• The Reptile Database (Ophisaurus_attenuatus) Ophisaurus attenuatus
• IUCN Red List of Threatened Species. Version 2012.2 (63716) Ophisaurus attenuatus
• NatureServe Explorer: An online encyclopedia of life. Version 7.1 (ELEMENT_GLOBAL.2.103178) Ophisaurus attenuatus
• CONABIO (15956REPTIB501112) Ophisaurus attenuatus
• GBIF (5226648) Ophisaurus attenuatus