Mammalogy Orders Flashcards
Name the Three Subclasses
Prototheria-egg laying
Metatheria-Marsupials
Eutheria-Placental
Order:
-most acient living order of mammals
-oviparous
-platypus + Echidna
-no teeth as adults
-beak like rostrum
-no lacrimal
suborder: Prototheria
Monotremata
Order:
-Shrews Opposums
-small insectivorius marsupials
-long rostrum
-each lower jaw has a large incisors as well as 6 or 7 small and simplee incisors
Subclass: Metatheria
Paucituberculata
order:
-Opossums
-long rostrum
-small brain case
-prominent sagittal crest
Subclass: Metatheria
Didelphimorphia
order:
-one species in entire order: monito del monte
-very large auditory bullae compared to other marsupials
Subclass: Metatheria
Microbiotheria
order:
-marsupial moles
-blind
-no external ears
-fossorial, but often comes to surfaces
Subclass: Metatheria
Notoryctemorphia
order:
-Carnivorous/insectivourous marsupials
-Numbats, Tasmanian devils, quolls
Subclass: Metatheria
Dasyuromorphia
Order:
-bandicoots and bilbies
-elongated rostrum
Subclass: Metatheria
Peramelemorphia
order:
-Kangaroos, wallabies, koalas
-largest number of metatherians
-primarily herbivorous
-they have two front teeth, a pair of large incisors on the lower jaw
Subclass: Metatheria
Diprotodontia
-Tenrecs and golden moles
subclass: Eutheria
Afrosoricida
order:
-Hyraxes
-3 toed hind feet
-single incisor on each side of the upper jaw, followed by a diastema
-prominent postorbital process
subclass: Eutheria
Hyracoidea
order:
-elephant shrews
-hind limbs longer than forelimbs-for leaping
-large jugal
-palatal fenestrae
subclass: Eutheria
Macroscelidea
Order:
-Elephants
-long trunk-no bones
-males have long tusks
subclass: Eutheria
Proboscidea
order:
-Dugongs, manatees
-no sagittal crest
-thick skull
-paddle like tails
subclass: Eutheria
Sirenia
order:
-Aardvarks
-long rostrum
-has teeth
subclass: Eutheria
Tubulidentata
order:
-armadillos
-lack incisors or canines
subclass: Eutheria
Cingulata
order:
-sloths and anteaters
-no incisors or canines- sloths have premolars and molars anteaters have no teeth
subclass: Eutheria
Pilosa
order:
-Colugos
-lower incisors form tooth
-nearly complete postorbital
-palate broad and flat
-furred membrane
subclass: Eutheria
Dermoptera
order:
-Hares,Pikas, Rabbits
-skull has “swiss cheese” like bony network on the side
-pair of incisors in each quadrant in upper jaw
subclass: Eutheria
Lagomorpha
order:
-lemurs, lorises, tasiers, monkeys, apes, and humans
- many have opposable thumbs
- two suborders: Stepsirrhini and Haplorrhini
subclass: Eutheria
Primates
Suborder:
-Plate seperating orbit from temporal fossa
-lack a tooth comb
-monkeys, apes, tarsiers
subclass: Eutheria
Suborder: Haplorrhini
suborder
-Lemurs, Lorises, Galagos, aye-aye
-lower incisors form a tooth comb
-no plate seperating orbit from temproal fossa
-second hind digit on hind foot, used in grooming called the toilet claw
subclass: Eutheria
Suborder Strepsirrhini
order:
-largest order of mammals
-rodents
-mice, rats, squirrels, beavers
-single pair of upper and single pair of lower incisors followed by diastema
-incisors frow continuously
-no canines
subclass: Eutheria
Rodentia
order
tree shrews
subclass: Eutheria
Scandentia
order:
-even toed ungulates
-paraxonic: plane of symmetry of each foot passes between third and fourth digit
-includes giraffes, hippos, deer, bison, whales, dolphins, porpoises and relatives
subclass: Eutheria
Artiodactyla
order:
-odd-toed ungulates
-includes horses, tapirs, and rhinos
-middle toe is larger than others the plane of symmetry runs through it
-simple stomach
subclass: Eutheria
Perissodactyla
order:
-most have carnassial pair
-caninies are cone like and typically large
- 2 suborders: Feliformia, caniformia
subclass: Eutheria
Carnivora
order:
-bats
-2 most speociose order of mammals
-only mammals that fly
-2 suborders
subclass: Eutheria
Chiroptera
order:
Shrews, moles, Hedgehogs,
subclass: Eutheria
Eulipotyphla
order:
-pangolins
-have scales made of keratin
-no teeth
-smooth skull
-palate not as long as anteater
subclass: Eutheria
Pholidota
