Emoia slevini, Brown & Falanruw, 1972, the Slevin's emoia, Slevin's skink, Marianas emoia, a reptile species in the genus Emoia
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Masticophis bilineatus slevini (Lowe & Norris, 1955), a subspecies in the whip snake species Masticophis bilineatus and the genus Masticophis
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Coleonyx variegatus slevini (Klauber, 1945), a subspecies in the species Coleonyx variegatus, the western banded gecko, a reptile species