Salvadora grahamiae, Cope

Hernández-Jiménez, Carlos A., Flores-Villela, Oscar, Aguilar-Bremauntz, Aranzazú & Campbell, Jonathan A., 2021, Phylogenetic relationships based on morphological data and taxonomy of the genus Salvadora Baird & Girard, 1853 (Reptilia, Colubridae), European Journal of Taxonomy 764 (1), pp. 85-118 : 94

The grahamiae group

The taxa in this group are defined by several synapomorphies, including preocular generally divided; fewer than 116 subcaudals, normally fewer than three supralabials in contact with the eye, maxillary teeth from 9 to 12 +3; tail length less than 29% of total length.