- Persephonella guaymasensis Gotz, Banta, Beveridge, Rushdi, Simoneit & Reysenbach, 2002
- Persephonella hydrogeniphila Nakagawa, Takai, Horikoshi & Sako, 2003
- Persephonella marina Gotz, Banta, Beveridge, Rushdi, Simoneit & Reysenbach, 2002
- Thermovibrio ammonificans Vetriani, Speck, Ellor, Lutz & Starovoytov, 2004