herpetosiphonaceae herpetosiphonaceae herpetosiphonaceae is a family of bacteria in the order herpetosiphonales. herpetosiphonaceae scientific classification domain: bacteria phylum: chloroflexota class: "chloroflexia" order: herpetosiphonales family: herpetosiphonaceaegupta et al. 2013 genera herpetosiphon "candidatus anthektikosiphon"