Họ Chelidae có chứa khoảng 60 loài trong khoảng 20 chi:[2]

Phân bộ Pleurodira

• Họ Pelomedusidae
• Họ Podocnemididae
• Họ CHELIDAE Gray, 1831[1]
  • Phân họ Chelodininae Baur 1893[3]
    • Chi †Birlimarr Megirian and Murray 1999[4]
    • Chi Chelodina Fitzinger 1826 – Australian snake-necked turtles
    • Chi Elseya Gray 1867 – Australian snapping turtles[5]
    • Chi Emydura Bonaparte 1836 – Australian short-necked turtles
    • Chi Elusor, Cann & Legler, 1994[6] – Mary River turtle
    • Chi Flaviemys Le et al., 2013[7] yellow-faced saw-shelled turtles
    • Chi Myuchelys Thomson & Georges 2009[8] – Australian saw-shelled turtles
    • Chi Pseudemydura Siebenrock 1901[9] – western swamp tortoise
    • Chi Rheodytes Legler and Cann, 1980[10] – Fitzroy River Turtles
  • Phân họ Chelinae Gray, 1825[11]
    • Chi Chelus Duméril 1806 – matamata turtles
    • Chi Acanthochelys Gray, 1873[12] – South American side-necked swamp turtles
    • Chi Mesoclemmys – Gibba turtle
    • Chi Phrynops – toad-headed tTurtles
    • Chi Platemys Wagner 1830 – twist-necked turtles
    • Genus Rhinemys – red-headed side-neck turtle
    • Chi †Bonapartemys Lapparent de Broin and de la Fuente 2001[13]
    • Chi †Lomalatachelys Lapparent de Broin and de la Fuente 2001[13]
    • Chi †Prochelidella Lapparent de Broin and de la Fuente 2001[13]
    • Chi †Palaeophrynops Lapparent de Broin and de la Fuente 2001[13]
    • Chi †Parahydraspis Wieland 1923[14]
    • Chi †Linderochelys de la Fuente et al. 2007
  • Phân họ Hydromedusinae Baur, 1893[15]
    • Chi Hydromedusa Wagler 1830 – South American snake-necked turtles
    • Chi †Yaminuechelys de la Fuente et al. 2001