| Castorimorpha | Eutypomyidae †Janimus |
| Castorimorpha | Eutypomyidae †Eutypomys |
| Castorimorpha | Eutypomyidae †Eogliravus |
| Castorimorpha | Eutypomyidae †Glamys |
| Castorimorpha | Eutypomyidae †Mattimys |
| Castorimorpha | Eutypomyidae †Microeutypomys |
| Castorimorpha | Rhizospalacidae †Rhizospalax |
| Castorimorpha | Geomyoidea | Eomyidae †Simiacritomys |
| Castorimorpha | Geomyoidea | Eomyidae †Symplokeomys |
| Castorimorpha | Geomyoidea | Eomyidae | Yoderimyinae †Litoyoderimys |
| Castorimorpha | Geomyoidea | Eomyidae | Yoderimyinae †Yoderimys |
| Castorimorpha | Geomyoidea | Eomyidae | Yoderimyinae †Zaisaneomys |
| Castorimorpha | Geomyoidea | Eomyidae | Yoderimyinae †Zemiodontomys |
| Castorimorpha | Geomyoidea | Eomyidae | Apeomyinae †Apeomyoides |
| Castorimorpha | Geomyoidea | Eomyidae | Apeomyinae †Apeomys |
| Castorimorpha | Geomyoidea | Eomyidae | Apeomyinae †Arikareeomys |
| Castorimorpha | Geomyoidea | Eomyidae | Apeomyinae †Megapeomys |
| Castorimorpha | Geomyoidea | Eomyidae | Apeomyinae †Zophoapeomys |
| Castorimorpha | Geomyoidea | Eomyidae | Eomyinae †Adjidaumo |
| Castorimorpha | Geomyoidea | Eomyidae | Eomyinae †Aguafriamys |
| Castorimorpha | Geomyoidea | Eomyidae | Eomyinae †Asianeomys |
| Castorimorpha | Geomyoidea | Eomyidae | Eomyinae †Aulolithomys |
| Castorimorpha | Geomyoidea | Eomyidae | Eomyinae †Centimanomys |
| Castorimorpha | Geomyoidea | Eomyidae | Eomyinae †Comancheomys |
| Castorimorpha | Geomyoidea | Eomyidae | Eomyinae †Cristadjidaumo |
| Castorimorpha | Geomyoidea | Eomyidae | Eomyinae †Cupressimus |
| Castorimorpha | Geomyoidea | Eomyidae | Eomyinae †Eomyodon |
| Castorimorpha | Geomyoidea | Eomyidae | Eomyinae †Eomyops |
| Castorimorpha | Geomyoidea | Eomyidae | Eomyinae †Eomys |
| Castorimorpha | Geomyoidea | Eomyidae | Eomyinae †Estramomys |
| Castorimorpha | Geomyoidea | Eomyidae | Eomyinae †Japaneomys |
| Castorimorpha | Geomyoidea | Eomyidae | Eomyinae †Kansasimys |
| Castorimorpha | Geomyoidea | Eomyidae | Eomyinae †Keramidomys |
| Castorimorpha | Geomyoidea | Eomyidae | Eomyinae †Leptodontomys |
| Castorimorpha | Geomyoidea | Eomyidae | Eomyinae †Ligerimys |
| Castorimorpha | Geomyoidea | Eomyidae | Eomyinae †Metadjidaumo |
| Castorimorpha | Geomyoidea | Eomyidae | Eomyinae †Metanoiamys |
| Castorimorpha | Geomyoidea | Eomyidae | Eomyinae †Meteomys |
| Castorimorpha | Geomyoidea | Eomyidae | Eomyinae †Montanamus |
| Castorimorpha | Geomyoidea | Eomyidae | Eomyinae †Namatomys |
| Castorimorpha | Geomyoidea | Eomyidae | Eomyinae †Neoadjidaumo |
| Castorimorpha | Geomyoidea | Eomyidae | Eomyinae †Orelladjidaumo |
| Castorimorpha | Geomyoidea | Eomyidae | Eomyinae †Paradjidaumo |
| Castorimorpha | Geomyoidea | Eomyidae | Eomyinae †Paranamatomys |
| Castorimorpha | Geomyoidea | Eomyidae | Eomyinae †Pentabuneomys |
| Castorimorpha | Geomyoidea | Eomyidae | Eomyinae †Protadjidaumo |
| Castorimorpha | Geomyoidea | Eomyidae | Eomyinae †Pseudadjidaumo |
| Castorimorpha | Geomyoidea | Eomyidae | Eomyinae †Pseudotheridomys |
| Castorimorpha | Geomyoidea | Eomyidae | Eomyinae †Rhodanomys |
| Castorimorpha | Geomyoidea | Eomyidae | Eomyinae †Ritteneria |
| Castorimorpha | Geomyoidea | Eomyidae | Eomyinae †Ronquillomys |
| Castorimorpha | Geomyoidea | Eomyidae | Eomyinae †Viejadjidaumo |
| Castorimorpha | Geomyoidea | Heliscomyidae †Apletotomeus |
| Castorimorpha | Geomyoidea | Heliscomyidae †Heliscomys |
| Castorimorpha | Geomyoidea | Heliscomyidae †Passaliscomys |
| Castorimorpha | Geomyoidea | Heliscomyidae †Tylionomys |
| Castorimorpha | Geomyoidea | Florentiamyidae †Ecclesimus |
| Castorimorpha | Geomyoidea | Florentiamyidae †Fanimus |
| Castorimorpha | Geomyoidea | Florentiamyidae †Florentiamys |
| Castorimorpha | Geomyoidea | Florentiamyidae †Hitonkala |
| Castorimorpha | Geomyoidea | Florentiamyidae †Kirkomys |
| Castorimorpha | Geomyoidea | Florentiamyidae †Sanctimus |
| Castorimorpha | Geomyoidea | Geomyidae Cratogeomys spp. |
| Castorimorpha | Geomyoidea | Geomyidae Geomys spp. |
| Castorimorpha | Geomyoidea | Geomyidae Heterogeomys spp. |
| Castorimorpha | Geomyoidea | Geomyidae Orthogeomys spp. |
| Castorimorpha | Geomyoidea | Geomyidae Pappogeomys spp. |
| Castorimorpha | Geomyoidea | Geomyidae Thomomys spp. |
| Castorimorpha | Geomyoidea | Geomyidae Zygogeomys spp. |
| Castorimorpha | Geomyoidea | Heteromyidae | Dipodomyinae Dipodomys spp. |
| Castorimorpha | Geomyoidea | Heteromyidae | Dipodomyinae Microdipodops spp. |
| Castorimorpha | Geomyoidea | Heteromyidae | Heteromyinae Heteromys spp. |
| Castorimorpha | Geomyoidea | Heteromyidae | Perognathinae Perognathus spp. |
| Castorimorpha | Geomyoidea | Heteromyidae | Perognathinae Chaetodipus spp. |
| Castorimorpha | Castoroidea | Castoridae †Migmacastor |
| Castorimorpha | Castoroidea | Castoridae | Agnotocastorinae | Agnotocastorini †Agnotocastor |
| Castorimorpha | Castoroidea | Castoridae | Agnotocastorinae | Agnotocastorini †Neatocastor |
| Castorimorpha | Castoroidea | Castoridae | Agnotocastorinae | Anchitheriomyini †Anchitheriomys |
| Castorimorpha | Castoroidea | Castoridae | Agnotocastorinae | Anchitheriomyini †Propalaeocastor |
| Castorimorpha | Castoroidea | Castoridae | Agnotocastorinae | Anchitheriomyini †Oligotheriomys |
| Castorimorpha | Castoroidea | Castoridae | Palaeocastorinae †Palaeocastor |
| Castorimorpha | Castoroidea | Castoridae | Palaeocastorinae †Capacikala |
| Castorimorpha | Castoroidea | Castoridae | Palaeocastorinae †Pseudopalaeocastor |
| Castorimorpha | Castoroidea | Castoridae | Palaeocastorinae | Euhapsini †Euhapsis |
| Castorimorpha | Castoroidea | Castoridae | Palaeocastorinae | Euhapsini †Fossorcastor |
| Castorimorpha | Castoroidea | Castoridae | Castoroidinae †Priusaulax |
| Castorimorpha | Castoroidea | Castoridae | Castoroidinae | Nothodipoidini †Eucastor |
| Castorimorpha | Castoroidea | Castoridae | Castoroidinae | Nothodipoidini †Microdipoides |
| Castorimorpha | Castoroidea | Castoridae | Castoroidinae | Nothodipoidini †Nothodipoides |
| Castorimorpha | Castoroidea | Castoridae | Castoroidinae | Castoroidini †Monosaulax |
| Castorimorpha | Castoroidea | Castoridae | Castoroidinae | Castoroidini †Prodipoides |
| Castorimorpha | Castoroidea | Castoridae | Castoroidinae | Castoroidini †Dipoides |
| Castorimorpha | Castoroidea | Castoridae | Castoroidinae | Castoroidini †Castoroides |
| Castorimorpha | Castoroidea | Castoridae | Castoroidinae | Castoroidini †Procastoroides |
| Castorimorpha | Castoroidea | Castoridae | Castoroidinae | Trogontheriini †Trogontherium |
| Castorimorpha | Castoroidea | Castoridae | Castoroidinae | Trogontheriini †Boreofiber |
| Castorimorpha | Castoroidea | Castoridae | Castoroidinae | Trogontheriini †Euroxenomys |
| Castorimorpha | Castoroidea | Castoridae | Castoroidinae | Trogontheriini †Youngofiber |
| Castorimorpha | Castoroidea | Castoridae | Castoroidinae | Trogontheriini †Asiacastor |
| Castorimorpha | Castoroidea | Castoridae | Castorinae †Chalicomys |
| Castorimorpha | Castoroidea | Castoridae | Castorinae †Steneofiber |
| Castorimorpha | Castoroidea | Castoridae | Castorinae †Zamolxifiber |
| Castorimorpha | Castoroidea | Castoridae | Castorinae †Romanofiber |
| Castorimorpha | Castoroidea | Castoridae | Castorinae †Schreuderia |
| Castorimorpha | Castoroidea | Castoridae | Castorinae †Sinocastor |
| Castorimorpha | Castoroidea | Castoridae | Castorinae †Hystricops |
| Castorimorpha | Castoroidea | Castoridae | Castorinae †Castor californicus |
| Castorimorpha | Castoroidea | Castoridae | Castorinae Castor canadensis North American beaver |
| Castorimorpha | Castoroidea | Castoridae | Castorinae Castor fiber Eurasian beaver |