Definitions of placental

adj pertaining to or having or occurring by means of a placenta

“all mammals except monotremes and marsupials are placental mammals”
occurring through or by way of the placenta
having no placenta

n mammals having a placenta; all mammals except monotremes and marsupials

eutherian, eutherian mammal, placental mammal
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incomplete skeleton of female found in eastern Ethiopia in 1974
Sir Barton
thoroughbred that won the triple crown in 1919
Gallant Fox
thoroughbred that won the triple crown in 1930
thoroughbred that won the triple crown in 1935
War Admiral
thoroughbred that won the triple crown in 1937
thoroughbred that won the triple crown in 1941
Count Fleet
thoroughbred that won the triple crown in 1943
thoroughbred that won the triple crown in 1946
thoroughbred that won the triple crown in 1948
thoroughbred that won the triple crown in 1973
Seattle Slew
thoroughbred that won the triple crown in 1977
thoroughbred that won the triple crown in 1978
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farm animal, livestock, stock
any animals kept for use or profit
mature male of various mammals of which the female is called `cow'; e.g. whales or elephants or especially cattle
mature female of mammals of which the male is called `bull'
an animal in its second year
mature male of various mammals (especially deer or antelope)
mature female of mammals of which the male is called `buck'
small insect-eating mainly nocturnal terrestrial or fossorial mammals
aquatic mammal
whales and dolphins; manatees and dugongs; walruses; seals
a terrestrial or aquatic flesh-eating mammal
in some classifications considered a suborder of Carnivora
Orycteropus afer, aardvark, ant bear, anteater
nocturnal burrowing mammal of the grasslands of Africa that feeds on termites; sole extant representative of the order Tubulidentata
bat, chiropteran
nocturnal mouselike mammal with forelimbs modified to form membranous wings and anatomical adaptations for echolocation by which they navigate
gnawing mammal, lagomorph
relative large gnawing animals; distinguished from rodents by having two pairs of upper incisors specialized for gnawing
gnawer, rodent
relatively small placental mammals having a single pair of constantly growing incisor teeth specialized for gnawing
in former classifications a major division of Mammalia comprising all hoofed mammals; now divided into the orders Perissodactyla (odd-toed ungulates) and Artiodactyla (even-toed ungulates)
hoofed mammal, ungulate
any of a number of mammals with hooves that are superficially similar but not necessarily closely related taxonomically
in former classifications a major division of Mammalia comprising mammals with nails or claws; distinguished from hoofed mammals and cetaceans
unguiculate, unguiculate mammal
a mammal having nails or claws
coney, cony, das, dassie, hyrax
any of several small ungulate mammals of Africa and Asia with rodent-like incisors and feet with hooflike toes
any of various nonruminant hoofed mammals having very thick skin: elephant; rhinoceros; hippopotamus
primitive terrestrial mammal with few if any teeth; of tropical Central America and South America
anteater, pangolin, scaly anteater
toothless mammal of southern Africa and Asia having a body covered with horny scales and a long snout for feeding on ants and termites
any placental mammal of the order Primates; has good eyesight and flexible hands and feet
tree shrew
insectivorous arboreal mammal of southeast Asia that resembles a squirrel with large eyes and long sharp snout
colugo, flying cat, flying lemur
arboreal nocturnal mammal of southeast Asia and the Philippines resembling a lemur and having a fold of skin on each side from neck to tail that is used for long gliding leaps
proboscidean, proboscidian
massive herbivorous mammals having tusks and a long trunk
plantigrade, plantigrade mammal
an animal that walks with the entire sole of the foot touching the ground as e.g. bears and human beings
digitigrade, digitigrade mammal
an animal that walks so that only the toes touch the ground as e.g. dogs and cats and horses
small velvety-furred burrowing mammal having small eyes and fossorial forefeet
shrew, shrewmouse
small mouselike mammal with a long snout; related to moles
Erinaceus europaeus, Erinaceus europeaeus, hedgehog
small nocturnal Old World mammal covered with both hair and protective spines
tendrac, tenrec
small often spiny insectivorous mammal of Madagascar; resembles a hedgehog
Potamogale velox, otter shrew, potamogale
amphibious African insectivorous mammal that resembles an otter
blower, cetacean, cetacean mammal
large aquatic carnivorous mammal with fin-like forelimbs no hind limbs, including: whales; dolphins; porpoises; narwhals
sea cow, sirenian, sirenian mammal
any of two families of large herbivorous aquatic mammals with paddle-shaped tails and flipper-like forelimbs and no hind limbs
pinnatiped, pinniped, pinniped mammal
aquatic carnivorous mammal having a streamlined body specialized for swimming with limbs modified as flippers
fissiped, fissiped mammal
terrestrial carnivores; having toes separated to the base: dogs; cats; bears; badgers; raccoons
canid, canine
any of various fissiped mammals with nonretractile claws and typically long muzzles
felid, feline
any of various lithe-bodied roundheaded fissiped mammals, many with retractile claws
massive plantigrade carnivorous or omnivorous mammals with long shaggy coats and strong claws
viverrine, viverrine mammal
small cat-like predatory mammals of warmer parts of the Old World
fruit bat, megabat
large Old World bat of warm and tropical regions that feeds on fruit
carnivorous bat, microbat
typically having large ears and feeding primarily on insects; worldwide in distribution
in former classifications considered a suborder of Rodentia coextensive with the order Lagomorpha: gnawing animals
leporid, leporid mammal
rabbits and hares
coney, cony, mouse hare, pika, rock rabbit
small short-eared burrowing mammal of rocky uplands of Asia and western North America
any of numerous small rodents typically resembling diminutive rats having pointed snouts and small ears on elongated bodies with slender usually hairless tails
any of various long-tailed rodents similar to but larger than a mouse
a rodent that is a member of the family Muridae
water rat
any of various amphibious rats
New World mouse
a variety of rodent
Ondatra zibethica, muskrat, musquash
beaver-like aquatic rodent of North America with dark glossy brown fur
Florida water rat, Neofiber alleni, round-tailed muskrat
of Florida wetlands
Sigmodon hispidus, cotton rat
destructive long-haired burrowing rat of southern North America and Central America
wood rat, wood-rat
any of various small short-tailed rodents of the northern hemisphere having soft fur grey above and white below with furred tails and large ears; some are hosts for Ixodes pacificus and Ixodes scapularis (Lyme disease ticks)
short-tailed Old World burrowing rodent with large cheek pouches
gerbil, gerbille
small Old World burrowing desert rodent with long soft pale fur and hind legs adapted for leaping
any of various short-tailed furry-footed rodents of circumpolar distribution
hedgehog, porcupine
relatively large rodents with sharp erectile bristles mingled with the fur
jumping mouse
any of several primitive mouselike rodents with long hind legs and no cheek pouches; of woodlands of Eurasia and North America
mouselike jumping rodent
small furry-tailed squirrel-like Old World rodent that becomes torpid in cold weather
a kind of arboreal rodent having a long bushy tail
prairie dog, prairie marmot
any of several rodents of North American prairies living in large complex burrows having a barking cry
stocky coarse-furred burrowing rodent with a short bushy tail found throughout the northern hemisphere; hibernates in winter
large semiaquatic rodent with webbed hind feet and a broad flat tail; construct complex dams and underwater lodges
Aplodontia rufa, mountain beaver, sewellel
bulky nocturnal burrowing rodent of uplands of the Pacific coast of North America; the most primitive living rodent
short-tailed rough-haired South American rodent
Dolichotis patagonum, mara
hare-like rodent of the pampas of Argentina
Hydrochoerus hydrochaeris, capibara, capybara
pig-sized tailless South American amphibious rodent with partly webbed feet; largest living rodent
Dasyprocta aguti, agouti
agile long-legged rabbit-sized rodent of Central America and South America and the West Indies; valued as food
Cuniculus paca, paca
large burrowing rodent of South America and Central America; highly esteemed as food
mountain paca
rodent of mountains of western South America
Myocastor coypus, coypu, nutria
aquatic South American rodent resembling a small beaver; bred for its fur
Chinchilla laniger, chinchilla
small rodent with soft pearly grey fur; native to the Andes but bred in captivity for fur
mountain chinchilla, mountain viscacha
a rodent native to the mountains of Chile and Peru and now bred in captivity
Lagostomus maximus, chinchillon, viscacha
gregarious burrowing rodent larger than the chinchillas
abrocome, chinchilla rat, rat chinchilla
ratlike rodent with soft fur and large ears of the Andes
mole rat
furry short-limbed tailless rodent resembling a true mole in habits and appearance; of eastern Europe and Middle East
mole rat
African rodent resembling a mole in habits and appearance
sand rat
small nearly naked African mole rat of desert areas
an extinct ungulate
Procavia capensis, rock hyrax, rock rabbit
hyrax that lives in rocky areas
odd-toed ungulate, perissodactyl, perissodactyl mammal
placental mammals having hooves with an odd number of toes on each foot
artiodactyl, artiodactyl mammal, even-toed ungulate
placental mammal having hooves with an even number of functional toes on each foot
adult male deer
mustelid, musteline, musteline mammal
fissiped fur-bearing carnivorous mammals
burrowing chiefly nocturnal mammal with body covered with strong horny plates
sloth, tree sloth
any of several slow-moving arboreal mammals of South America and Central America; they hang from branches back downward and feed on leaves and fruits
megatherian, megatherian mammal, megatheriid
a large extinct ground sloth
a variety of extinct edentate
large (bear-sized) extinct edentate mammal of the Pleistocene in South America
New World anteater, anteater
any of several tropical American mammals of the family Myrmecophagidae which lack teeth and feed on ants and termites
an ape or monkey
any of various primates with short tails or no tail at all
any member of the suborder Anthropoidea including monkeys and apes and hominids
a primate of the superfamily Hominoidea
a primate of the family Hominidae
any of various long-tailed primates (excluding the prosimians)
pen-tail, pen-tailed tree shrew, pentail
brown tree shrew having a naked tail bilaterally fringed with long stiff hairs on the distal third; of Malaysia
primitive primates having large ears and eyes and characterized by nocturnal habits
large-eyed arboreal prosimian having foxy faces and long furry tails
nocturnal arboreal primate of Indonesia and the Philippines having huge eyes and digits ending in pads to facilitate climbing; the only primate that spurns all plant material as food living entirely on insects and small vertebrates
Cynocephalus variegatus
a variety of flying lemur
five-toed pachyderm
mastodon, mastodont
extinct elephant-like mammal that flourished worldwide from Miocene through Pleistocene times; differ from mammoths in the form of the molar teeth
plantigrade carnivorous mammals
Type of:
mammal, mammalian
any warm-blooded vertebrate having the skin more or less covered with hair; young are born alive except for the small subclass of monotremes and nourished with milk

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