Concise hierarchy
(Kingdom) Animalia - (Phylum) Chordata - (Class) Mammalia - (Order) Cete
Original position
Original entries
| †Hapalodectidae (Family) Szalay & Gould, 1966 | |
Ref: M.C. McKenna & S.K. Bell, 1997: 368. |
| †Mesonychidae (Family) Cope, 1875 | |
Ref: M.C. McKenna & S.K. Bell, 1997: 367. |
| †Microclaenodon (Genus) Scott, 1892 | |
Ref: M.C. McKenna & S.K. Bell, 1997: 366. |
| †Olsenia (Genus) Matthew & Granger, 1925 | |
Ref: M.C. McKenna & S.K. Bell, 1997: 366. |
| †Triisodontidae (Family) Trouessart, 1904 | |
Ref: M.C. McKenna & S.K. Bell, 1997: 366. |
Current position
Historical positions
Number of Subtaxa