Geophis sanniolus, commonly known as the pygmy snail-eating snake or the pygmy snail sucker, is a species of small snake in the subfamily Dipsadinae of the family Colubridae. The species is native to Central America and southeastern Mexico.
Geographic range Geophis sanniolus is found in Belize, Guatemala, and the Mexican states of Campeche, Quintana Roo, and Yucatán. xiii + 380 pp. (Sibon sanniola, pp. 243–244).
Habitat Geophis sanniolus is a relatively common snake that occurs in tropical semi-deciduous forest and thorn forest, and also in degraded forest.
Reproduction An oviparous species, Geophis sanniolus reaches sexual maturity in eight months and produces a single clutch per year. xv + 527 pp. (Sibon sanniola, p. 150).
Subspecies Two subspecies are recognized as being valid, including the nominotypical subspecies.
Geophis sanniolus neilli – Neill's snail sucker Geophis sanniolus sanniolus
Nota bene: A trinomial authority or a binomial authority in parentheses indicates that the subspecies or species was originally described in a genus other than Geophis.
Etymology The subspecific name, neilli, is in honor of American herpetologist Wilfred T. Neill.Beolens, Bo; Watkins, Michael; Grayson, Michael (2011). The Eponym Dictionary of Reptiles. Baltimore: Johns Hopkins University Press. xiii + 296 pp. . (Sibon sanniolus neilli, p. 188).
References
Further reading Cope ED (1866). "Fifth Contribution to the Herpetology of Tropical America". Proceedings of the Academy of Natural Sciences of Philadelphia 1886: 317–323. (Mesopeltis sanniolus, new species, p. 318). Boulenger GA (1896). Catalogue of the Snakes in the British Museum (Natural History). Volume III., Containing the Colubridæ (Opisthoglyphæ and Proteroglyphæ), Amblycephalidæ, and Viperidæ. London: Trustees of the British Museum (Natural History). (Taylor and Francis, printers). xiv + 727 pp. + Plates I-XXV. (Leptognathus sanniola, p. 459). Heimes, Peter (2016). Snakes of Mexico: Herpetofauna Mexicana Vol. I. Frankfurt, Germany: Chimaira. 572 pp. . (Sibon neilli, new species).