water rat
beaver rat
pod
sand mole
genus Hydromys
Hydromys
New Guinean rat
kiore
Pinnipedia
suborder Pinnipedia
murine
micronekton
Hydromyinae
subfamily Hydromyinae
aquatic mammal
Vertebrata
subphylum Craniata
Craniata
subphylum Vertebrata
blower
sand rat
cetacean mammal
Nesokia
tree rat
viscacha rat
cetacean
genus Nesokia
fish-eating rat
capibara
lancelet
capybara
Hydrochoerus hydrochaeris
ratardid
rattie
thryonomyid
vrot
aquafauna
sea monster
neuropod
dwarf pocket rat
sea mammal
rat chinchilla
chinchilla rat
kangaroo mouse
abrocome
ratter
Chinchillidae
family Chinchillidae
catarrhine
sewer rat