Các loài trong chi Metaxia gồm có:

• Metaxia abrupta (Watson, 1880)
• Metaxia albicephala Kay, 1979
• Metaxia bacillum (Issel, 1869)
• Metaxia brunnicephala Kay, 1979
• Metaxia carinapex Van der Linden, 1998
• Metaxia convexa (Carpenter, 1856)
• Metaxia duplicarinata (Powell, 1940)
• Metaxia espinosai Rolán & Fernández-Garcés, 1992
• Metaxia exaltata (Powell, 1930)
• Metaxia excelsa Faber & Moolenbeek, 1991
• Metaxia fuscoapicata Thiele, 1930
• Metaxia hapax Van der Linden, 1998
• Metaxia incerta Fernandes & Rolán, 1988
• Metaxia kermadecensis B.A. Marshall, 1977
• Metaxia maoria (Finlay, 1930)
• Metaxia metaxa (delle Chiaje, 1828)
• Metaxia polynesica Rehder, 1980
• Metaxia prompta Rolán & Fernández-Garcés, 2008
• Metaxia propinqua Rolán & Fernández-Garcés, 2008
• Metaxia propria Rolán & Fernández-Garcés, 2008
• Metaxia protolineata (Laseron, 1951)
• Metaxia quadrata Faber, 2010
• Metaxia rugulosa (C. B. Adams, 1850)
• Metaxia solitaria B.A. Marshall, 1979
• Metaxia taeniolata (Dall, 1889)
• Metaxia tricarinata (Pease, 1861)
• Metaxia vicina (C. B. Adams, 1850)

• Metaxia metaxae (delle Chiaje, 1828): đồng nghĩa của Metaxia metaxa (delle Chiaje, 1828)