Taxonomy
There are two described species in this genus. Until 2017, they were genererally included in ''Ctenosaura''. * Campeche spiny-tailed iguana, ''Cachryx alfredschmidti'' (Kohler, 1995) * Yucatán spinytail iguana, ''Cachryx defensor'' (Cope, 1866)References
{{Taxonbar, from=Q57578910 Cachryx, Lizard genera Taxa named by Edward Drinker Cope