mammals of the world 3

class mammalia defining features (3)

• two occipital condyles

• single dentary

• hard secondary palate

subclass theria defining features (4)

• teeth (usually, not in anteater or pangolins)

• jugal present

• lacrimal present

• auditory bullae present

infraclass eutheria or placentalia defining features (2)

• no marsupial pouch

• jugal does not articulate with mandibular fossa

name skull condition

hystricomorphous

name skull condition

myomorphous

name skull condition

protogomorphous

name skull condition

sciuromorphous

orders in subclade glires (2) and features

• order lagomorpha: fenestrated maxilla; 2 pairs upper incisors; 2/1 incisor count

• order rodentia: 1/1 incisor count; unique infraorbital foramen (look head on to see condition)

families in suborder myomorpha (3)

• family zapodidae (jumping mice)

• family cricetidae (voles, muskrats, NA mice & rats)

• family muridae (OW mice & rats)

name subclass, infraclass, clade, subclade, order, suborder, family

subclass theria; infraclass euthera; clade euarchontoglires; order rodentia; suborder glires

family zapodidae - jumping mice

• hystricomorphous

• wide stripe on back

• cannon bone

• furry feet

name subclass, infraclass, clade, subclade, family, subfamily

subclass theria; infraclass eutheria; clade euarchontoglires; subclade glires

family cricetidae; subfamily arvicolinae - voles, muskrats

• prismatic cheek teeth (like grinch christmas tree?)

• myomorphous

• bulky body with short tail

name clade, order, family, subfamily

clade laurasiatheria; order rodentia

family cricetidae; subfamily netominae - NA mice, rats

• two rows of cusps or semi-prismatic teeth (not quite like grinch christmas tree but similar)

• white belly

• soft fur

name clade, order, family, subfamily

clade euarchontoglires; order rodentia

family muridae; subfamily murinae - OW mice & rats

• myomorphous

• three rows of cusps on cheek teeth

• belly same color as dorsum

family in suborder anomaluromorpha

family pedetidae (springhares)

name class, subclass, infraclass, clade, subclade, order, suborder, family

class mammalia; subclass theria; infraclass eutheria; clade euarchontoglires; subclade glires; order rodentia; suborder anomaluromorpha

family pedetidae - springhares

• hystricomorphous

• long ears similar to rabbit

• flat simple teeth with a single enamel folding that gives the teeth a pastrie-like shape (french palmier)

families in suborder hystricomorpha

• family erethizontidae (NW porcupine)

• family chinchillidae (chinchillas)

• family echimyidae (rats, spiny rats, nutria, hutia)

name clade, subclade, order, suborder, family

clade euarchontoglires; subclade glires; order rodentia; suborder hystricomorpha

family erethizontidae - NW porcupines

• hystricomorphous

• jugal not approaching lacrimal

• cheek teeth with wide enamel folds

• paraoccipital process short

name clade, subclade, order, suborder, family

clade euarchontoglires; subclade glires; order rodentia; suborder hystricomorpha

family chinchillidae - chinchillas

• jugal approaching lacrimal

• upper tooth rows slightly convergent anteriorly

• cheek teeth with wide enamel folds

name clade, subclade, order, suborder, family

clade euarchontoglires; subclade glires; order rodentia; suborder hystricomorpha

family echimyidae - rats, spiny rats, nutria, hutia

• hystricomorphous

• paraoccipital processes elongate and curving under the bullae

• jugal not approaching lacrimal

• upper teeth rows either parallel or converging anteriorly

suborders in order primates (2)

• suborder strepsirrhini

  • family lemuridae (lemurs)

• suborder haplorrhini

  • family cebidae (NW monkeys)

  • family cercopithecidae (OW monkey)

  • family homminidae (gorillas, chimps, orangutans, humans)

name clade, subclade, order, suborder, family

clade euarchontoglires; subclade euarchonta; order primates; suborder strepsirrhini

family lemuridae - lemurs

• upper incisors median diastema

• rhinarium present

• lower canine modified to look like incisor

• lower PM modified to look like canine

name clade, subclade, order, suborder, family

clade euarchontoglires; subglade euarchonta; order primates; suborder haplorrhini

family cebidae - NW monkeys

• large orbits

• auditory bullae rounded and without a tube

• tritubercular or quadrate molars

name clade, subclade, order, suborder, family

clade euarchontoglires; subclade euarchonta; order primates; suborder haplorrhini

family cercopithecidae (OW monkeys)

• ischial callosities present (butt pads)

• auditory bulla extending laterally as a tube

• quadritubercular molars

• lower PM root visible and extends anteriorly

name clade, subclade, order, suborder, family

clade euarchontoglires; subclade euarchonta; order primates; suborder haplorrhini

family hominidae - gorillas, chimps, orangutans, humans

• auditory bullae extending laterally as a tube

• large braincase

• prominent sagittal crest (but not in humans)

family in order dermoptera

family cynocephalidae (flying lemurs)

name clade, subclade, order, family

clade euarchontoglires; subclade euarchonta; order dermopera

family cynocephalidae - flying lemurs

• patagium

• postorbital process

• median diastema between upper incisors

• two lower incisors on each side wide and comb-like

• outer lower incisors multi cuspidate

family in order scandentia

family tupaiidae (tree shrews)

name clade, subclade, order, family

clade euarchontoglires; subclade euarchonta; order scandentia

family tupaiidae - tree shrews

• thin postorbital bar

• perforated zygomatic arch

• triturcular molars