• Atopobium fossor (Bailey & Love 1986) Kageyama et al., 1999
• Atopobium minutum (Hauduroy et al. 1937) Collins & Wallbanks, 1993
• Atopobium parvulum (Weinberg et al. 1937) Collins & Wallbanks, 1993
• Atopobium rimae (Olsen et al. 1991) Collins & Wallbanks, 1993
• Atopobium vaginae Rodriguez Jovita et al., 1999
• Collinsella aerofaciens (Eggerth 1935) Kageyama et al., 1999
• Collinsella intestinalis Kageyama & Benno, 2000
• Collinsella stercoris Kageyama & Benno, 2000
• Coriobacterium glomerans Haas & König, 1988
• Cryptobacterium curtum Nakazawa et al., 1999
• Denitrobacterium detoxificans Anderson et al., 2000
• Eggerthella clostridiiformis (Burri & Ankersmit, 1906) Beerens et al., 1962 accepted as Clostridium clostridioforme corrig. (Burri & Ankersmit, 1906) Kaneuchi et al., 1976
• Eggerthella lenta (Eggerth 1935) Kageyama et al., 1999
• Eggerthella lenta (Eggerth 1935) Wade et al., 1999
• Olsenella profusa Dewhirst et al., 2001
• Olsenella uli (Olsen et al., 1991) Dewhirst et al., 2001
• Slackia exigua (Poco et al. 1996) Wade et al., 1999
• Slackia heliotrinireducens (Lanigan 1983) Wade et al., 1999