Specimens of Teius teyou (Daudin, 1982) from Formosa and Chaco, Argentina, were citologically analyzed. A karyotype characterized by 54 chromosomes and 2 pairs of ribosomal chromosomes were identified.
Hernando, A. (1994). Cariotipo y región organizadora del núcleo en Teius teyou (Daudin, 1802) (Squamata: teiidae). Cuadernos de Herpetología, 8 (1), pp. 87-89