hepatozoon cuestensis hepatozoon cuestensis hepatozoon cuestensis is a species of alveolates known to infect snake species such as crotalus durissus terrificus (rattlesnake). hepatozoon cuestensis scientific classification domain: eukaryota clade: diaphoretickes clade: sar clade: alveolata phylum: apicomplexa class: conoidasida order: eucoccidiorida family: hepatozoidae genus: hepatozoon species: h. cuestensis binomial name hepatozoon cuestensiso’dwyer et al., 2013