Za
Zaedyus Ameghino, 1889
- Zaedyus pichiy (Desmarest, 1804)
Animalia → Chordata → Mammalia → Cingulata → Dasypodidae → Euphractinae
Zaglossus Gill, 1877
- Zaglossus attenboroughi Flannery and Groves, 1998
- Zaglossus bartoni (Thomas, 1907)
- Zaglossus bartoni clunius Thomas and W. Rothschild, 1922
- Zaglossus bartoni diamondi Flannery and Groves, 1998
- Zaglossus bartoni smeenki Flannery and Groves, 1998
- Zaglossus bruijni (Peters and Doria, 1876)
Animalia → Chordata → Mammalia → Monotremata → Tachyglossidae
Zalophus Gill, 1866
- Zalophus californianus(Lesson, 1828)
- Zalophus japonicus (Peters, 1866)
- Zalophus wollebaeki Sivertsen, 1953 (ugrožena)
Animalia → Chordata → Mammalia → Carnivora → Caniformia → Otariidae
Zapus Coues, 1875
- †Zapus burti Hibbard 1941
- Zapus hudsonius (Zimmermann, 1780)
- Zapus hudsonius campestris Preble, 1899
- Zapus hudsonius luteus Miller, 1911
- Zapus hudsonius preblei Krutzsch, 1954
- Zapus princeps J. A. Allen, 1893
- †Zapus rinkeri Hibbard 1951
- †Zapus sandersi Hibbard 1956
- †Zapus sykesae Martin 1989
- Zapus trinotatus Rhoads, 1895
- Zapus trinotatus orarius Preble, 1899
Ze
Zelotomys Osgood, 1910
- Zelotomys hildegardeae (Thomas, 1902)
- Zelotomys woosnami (Schwann, 1906)
Animalia → Chordata → Mammalia → Rodentia → Muridae
Zenkerella Matschie, 1898
- Zenkerella insignis Matschie, 1898
Animalia → Chordata → Mammalia → Rodentia → Anomaluridae
Zi
Ziphius G. Cuvier, 1823
- Ziphius cavirostris G. Cuvier, 1823
Animalia → Chordata → Mammalia → Cetacea → Odontoceti → Hyperoodontidae
Zy
Zygodontomys J. A. Allen, 1897
- Zygodontomys brevicauda (J. A. Allen and Chapman, 1893)
- Zygodontomys brunneus Thomas, 1898
Animalia → Chordata → Mammalia → Rodentia → Muridae
Zygogeomys Merriam, 1895
- Zygogeomys trichopus Merriam, 1895
Animalia → Chordata → Mammalia → Rodentia → Geomyidae
Zyzomys Thomas, 1909
- Zyzomys argurus (Thomas, 1889)
- Zyzomys maini Kitchener, 1989
- Zyzomys palatilis Kitchener, 1989 ; (kritično ugrožena)
- Zyzomys pedunculatus (Waite, 1896); (kritično ugrožena)
- Zyzomys woodwardi (Thomas, 1909)