Type species: Geotoga petraea Davey et al. 1993
Effective publication: Davey ME, Wood WA, Key R, Nakamura K, Stahl D. Isolation of three species of Geotoga and Petrotoga: two new genera, representing a new lineage in the bacterial line of descent distantly related to the "Thermotogales". Syst. Appl. Microbiol. 1993; 16:191-200.
Number of child taxa with a validly published and correct name: 2
Number of child taxa with a validly published name, including synonyms: 2
Total number of child taxa: 2
Parent taxon: Petrotogaceae Bhandari and Gupta 2014
Assigned by: Bhandari V, Gupta RS. Molecular signatures for the phylum (class) Thermotogae and a proposal for its division into three orders (Thermotogales, Kosmotogales ord. nov. and Petrotogales ord. nov.) containing four families (Thermotogaceae, Fervidobacteriaceae fam. nov., Kosmotogaceae fam. nov. and Petrotogaceae fam. nov.) and a new genus Pseudothermotoga gen. nov. with five new combinations. Antonie Van Leeuwenhoek 2014; 105:143-168.