Eutypomys_thompsoni
Neatocastor_hesperus
Anchitheriomys
Migmacastor_procumbodens
Agnotocastor_coloradensis
Agnotocastor_praetereadens
Euroxenomys_minutum
Priusaulax
Palaeocastor_wahlerti
Palaeocastor_cf_simplicidens
Agnotocastor_sp
Palaeocastor_sp_2
Palaeocastor_peninsulatus
Brachycastor_wangi
Pseudopaleocastor_barbouri
Fossorcastor_greeni
Euhapsis_breugerom
Euhapsis_ellicotae
Palaeocastor_fossor
Palaeocastor_magnus
Capacikala_sp_1
Capacikala_sp_2
Palaeocastor_cf_nebrascensis
Dipoides_tanneri
Sinocastor_anderssoni
Castor_fiber
Hystricops_venustus
Castoroides_ohioensis
Procastoroides_idahoensis
Trogontherium_cuvieri
Dipoides_cf_intermedius
Dipoides_stirtoni
Dipoides_smithi
Eucastor_tortus
Steneofiber_depereti
Steneofiber_eseri
Pseudotomus_robustus
Paramys_copei
Paramys_delicatus