24 terms

Mammalogy

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Tubulidentata
Aardvarks
- monotypic
- Subsaharan Africa
- Myremecophagous
- Large ears
- Elongate rostrum
- long tongue
- molariform teeth present
Notoryctemorphia
marsupial moles
- Arid west Australia
- enlarged forelimbs
- absent pinnae
- reduced eyes
- leathery nasal shield
Peramelemorphia
bandicoots and bilbies
- Australian region
- elongate rostrum
- well-developed claws
- enlarged forelimbs
- marsupium present
- omnivorous
Dasyuromorphia
carnivorous marsupials
- tasmanian wolf and devil
- developed canines
- carnassials
- long tails
- absent or poorly developed marsupium
Paucituberculata
shrew opossums
- high elevation in peru and chile
- nocturnal
- small eggs
- terrestrial
- insectivores/omnivores
- NO marsupium
Diprotodontia
wombats, koala, kangaroos
- eco and morpho diverse
- diprotodont dentition
- terrestrial or arboreal
- marsupium present
- herbivores
Tenrecoidea
Tenrecs, otter shrews, golden moles
- endemic to Madagascar & Subsaharan Africa
- fossorial, terrestrial, or semi-aquatic
Sirenia
manatees and dugongs
- 4 species
- only marine mammal herbivores
- fusiform body
- paddle shaped forelimbs, hind limbs absent
- fluke for tail
- no pinnae
- valvular nose
Cetacea
whales, dolphins, porpoises
- flippers and flukes
- telescoped skull
- blubber
more erythrocytes and myoglobin and capillaries in lungs
- bradycardia (lowered heart rate)
Hyracoidea
Hyraxes, dassies, conies
- close to proboscideans and sirenians
- africa and middle east
- small body, short tails
- rodent like incisors and diastema
- herbivores
- colonial structures
- behavioral thermoregulations
Macroscelidea
elephant shrews
- previously insectivores
- central and east asia
- long, flexible proboscis-like rostrum
- large eyes and ears
- large hind limbs
Edentata
sloths, anteaters, armadillos
- new world tropics
- low metabolic rate and low temp
- accessory articulations on verts
- reduced and simplified dentition
- limbs specialized for digging or climbing
Pholidota
Pangolins
- africa and south asia
- myremecophagous
- overlapping scales
- conical skull, no teeth
- long tongue and tail
Microbiotheria
monito del monte
- monotypic (one species)
- prehensile tail
- nocturnal
- arboreal
- mostly insectivores
- marsupium
- daily torpor
Monotremata
platypus, echidna
- leathery shelled eggs
- milk from belly pores
- most primitive mammals
- cloaca
- oviporous
- jugal bone reduced or absent
- adults lack teeth
Proboscidea
elephants
- largest living terrestrial mammals
- recent reduction in diversity
- limited geographic distribution
- large body size
- large craniums, short neck
- elongated upper lip into prehensile proboscis
- mesial drift teeth replacement
Lagomorpha
rabbits, hares, pikas
- almost worldwide distribution
- diverse (arctic - tropics)
- some cyclic population fluxes
- claoca
Artiodactyla
even-toed ungulates
- paraxonic foot symmetry b/t 3rd and 4th digit
- head ornamentation
- worldwide distribution
Carnivora
Carnivores. Dogs, cats, weasels, bears, seals, raccoons, pandas, etc.
- all continents except Australia
- wide variety of locomotion
- carnassials and well developed canines
- well developed zygomatic arch and facial muscles
- mandibular fossa distinct
Chiroptera
Bats
- morphologically and ecologically diverse
- flight
- echolocation
- hibernation
- migration
- delayed fertilization, implementation, or development
Perissodactyla
odd-toed ungulates
- inesaxonic foot symmetry through 3rd digit
- hindgut fermentor
- new and old world
Didelphimorphia
Opossums
- variety of habitat
- marsupium present, reduced, or absent
- many semi-arboreal
- long usually prehensile tail
- opposable pollex (most)
Rodentia
rodents
- 43% of mammals
- ecologically diverse
- worldwide distribution
Primates
monkeys, apes, lemurs, and humans
- primitive order
- evolved from insectivores
- stereoscopic vision
- hand eye coordination