Conopsis

Six species are recognized as being valid.^[1]

• Conopsis acuta (Cope, 1886) - spotted Tolucan earth snake
• Conopsis amphisticha (H.M. Smith & Laufe, 1945) - twin-spotted Tolucan earth snake
• Conopsis biserialis (Taylor & H.M. Smith, 1942) - two-lined Mexican earth snake
• Conopsis lineata (Kennicott, 1859) - lined Tolucan ground snake, lined Tolucan earth snake
• Conopsis megalodon (Taylor & H.M. Smith, 1942) - San Felipe ground snake
• Conopsis nasus Günther, 1858 - largenose earth snake

Nota bene: A binomial authority in parentheses indicates that the species was originally described in a genus other than Conopsis.

• Günther A (1858). Catalogue of the Colubrine Snakes in the Collection of the British Museum. London: Trustees of the British Museum. (Taylor and Francis, printers). xvi + 281 pp. (Conopsis, new genus, p. 6; Conopsis nasus, new species, pp. 6–7).