Template:Hillis, 1990

• Hillis, D.M. 1990. A new species of xenodontine colubrid snake of the genus Synophis from Ecuador and the phylogeny of the genera Synophis and Emmochliophis. Occasional Papers of the Museum of Natural History, the University of Kansas 135: 1–9. BHL  
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Nomenclatural acts

• Date of publication: 12 April 1990

New names (1)

• Synophis calamitus [p. 2]