Related how?

Biota (Life)
Eukaryote (Eukarya)
Podiata
Unikont (Unikonta)
Opisthokont (Opisthokonta)
Holozoa
Filozoa
Apoikozoa (Choanozoa)
Animal (Animalia)
Metazoa
Epitheliozoa
Eumetazoa
Bilateria
Deuterostome (Deuterostomia)
Chordata (Chordates)
Olfactores
Craniata (Craniata (chordata))
Vertebrata (Animals with backbone)
Gnathostomata (Gnathostome)
Eugnathostomata
Teleostomi
Euteleostomi
Sarcopterygii (Lobe-finned fishes)
Dipnotetrapodomorpha
Tetrapodomorpha (Tetrapodomorph)
Tetrapoda (Tetrapod)
Reptiliomorpha
Amniota (Amniote)
Synapsidomorpha
Synapsid (Synapsida)
Eupelycosauria
Sphenacodontia
Sphenacodontoidea
Therapsida (Therapsid)
Neotherapsida
Theriodont (Theriodontia)
Eutheriodontia
Cynodontia (Cynodont)
Epicynodontia
Eucynodontia
Probainognathia
Chiniquodontoidea
Prozostrodontia
Mammaliaformes
Mammal (Mammals)
Theriamorpha
Theriiformes
Holotheria
Trechnotheria
Cladotheria
Zatheria
Boreosphenida
Theria (Therians)
Eutheria
Placentalia (Eutheria)
Exafroplacentalia
Boreoeutheria
Laurasiatheria
Scrotifera
Fereuungulata
Ferae (Ostentoria)
Carnivora (Carnivoran)
Caniformia (Canoidea)
Arctoidea
Musteloidea (Musteloid)
Mustelidae (Weasel family)
Lutrinae (The otter subfamily)

Lutra (446882)

Children (35 direct children, 50 direct and indirect children):

European otter (tree size 12)
Otter, eurasian otter

Hairy-nosed otter
Sumatra river otter

Japanese otter
Lutra nippon

Lutra euxena

Lutra maculicollis (tree size 2)
Spot-necked otter

Lutra angustifrons

Lutra annectens

Lutra californica

Lutra chilensis

Lutra chinensis

Lutra emerita

Lutra enudris

Lutra felina

Lutra gambianus

Lutra incarum

Lutra indica

Lutra indigitatus

Lutra leptonyx

Lutra lovii

Lutra mitis

Lutra monticolus

Lutra parilina

Lutra perspicillata

Lutra platensis

Lutra poensis

Lutra roensis

Lutra simplicidens

Lutra simung

Lutra tarayensis

Lutra canadensis (tree size 1)

Lutra longicaudis

Lutra castiglionis

Lutra cinerea

Lutra minima

Lutra piscinaria