Rodentia Flashcards
Rodentia
(“meaning”)
% of all mammals, distribution
diet
ID traits: incisors (number, root/rootless, shape, enamal)
diprododonty/diastema
orbital cavity location
zygomatic arch location
glenoid fossa?
masseter attachment point
mandibular symphysis?
clavicle
Rodentia
Origin time/place, movement
early jaw musculature
dental formula
cheek teeth height/spacing
5 suborders included (differentiated by what)
match the term to the jaw musculature
Myomorphous
Sciuromorphous
Protrogomorphous
Hystricomorphous
What is the hole that some of the muscles pass through?
Describe the motion/muscle engagement of gnawing/biting/cutting vs. chewing/grinding.
What groups have these musculature patterns?
Which jaw musculature matches each image?
Which jaw musculature matches each image?
Does each one place more emphasis on chewing or gnawing?
Rodentia
What factors determine chewing and grinding efficiency?
Describe the broad pattern in rodent molars and their unique chewing motion
squirrels, dormice, mountain beaver
Order, Suborder, 3 Families (common names of each)
Order: Rodentia
mountain beaver
Order, Suborder, Family
weight
jaw musculature type
habitat/distribution
Order: Rodentia
Suborder: Sciuromorpha
tree squirrels, chipmunks, marmots, prairie dogs
Order, Suborder, Family
day/night, diet
distribution
jaw musculature type
skull profile
zygomatic arch characteristic
cheek tooth ridges direction
locomotion/lifestyle(s)
differences between tree/ground dwellers
Order: Rodentia
Suborder: Sciuromorpha
dormice and glirids
Order, Suborder, Family
distribution
weight
tail
eyes/claws
diet(s)
locomotion
jaw msculature type
Order: Rodentia
Suborder: Sciuromorpha
Sciurimorpha
Size of infraorbital foramen, and does the masseter muscle pass through it?
What 2 groups/subfamilies are KY Sciuridae species divided into?
common name
Order, Suborder, Family, scientific name
range
id features (pelage, incisor color, skull shape, nest location)
Order: Rodentia
Suborder: Sciuromorpha
Family: Sciuridae
common name
Order, Suborder, Family, scientific name
range
id features (pelage, incisor color, skull shape, nest location)
Order: Rodentia
Suborder: Sciuromorpha
Family: Sciuridae
common name
Order, Suborder, Family, scientific name
id features (pelage, incisor color, skull shape, nest location)
Order: Rodentia
Suborder: Sciuromorpha
Family: Sciuridae
common name
Order, Suborder, Family, scientific name
range
id features (pelage, incisor color, skull shape, nest location)
Order: Rodentia
Suborder: Sciuromorpha
Family: Sciuridae
common name
Order, Suborder, Family, scientific name
range
id features (pelage, incisor color, skull shape, nest location)
Order: Rodentia
Suborder: Sciuromorpha
Family: Sciuridae
common name
Order, Suborder, Family, scientific name
range
id features (pelage, diet, nest location)
Order: Rodentia
Suborder: Sciuromorpha
Family: Sciuridae
habitat type for each
groundhog
fox squirrel
southern flying squirrel
eastern chipmunk
gray squirrel
grasslands
open understory forest
developed understory forest
urban/farm
beavers, pocket gophers, kangaroo rats
Order, Suborder, 3 Families (common names of families)
Order: Rodentia
beavers
Order, Suborder, Family
2 species (common)
jaw musculature/rostrum architecture
habitat/lifestyle
pelage, rear feet, eye membrane (term), adaptations for using mouth underwater, tail, special glands, ecosystem function
Order: Rodentia
Suborder: Castorimorpha
pocket gophers
Order, Suborder, Family
habitat/range
size of eyes/pinnae/body/tail/head
cheek adaptations
forelimbs claws adapation/purpose
Order: Rodentia
Suborder: Castorimorpha
kagaroo rats/mice
Order, Suborder, Family
range/habitat
eyes, fur, ears, hind limbs, locomotion
neck adaptation
tail
kidneys
cheek teeth rooted/rootless
cheek adaptation
auditory bullae
defensive behaviors
Order: Rodentia
Suborder: Castorimorpha
common name
Order, Suborder, Family, scientific name
Relationship to European colonization, consequences of this
habitat, game status
size, feet, special claw, cloaca adaptation, special glands (term) + purpose
social/territorial behavior
litter size/frequency
nuisance problems, nest type, sign
Order: Rodentia
Suborder: Castorimorpha
Order, Suborder, Family
common name
claws
incisors/lip adaptation
diet
food transport/storage adaptation
Order: Rodentia
Suborder: Castorimorpha
Order, Suborder, Family
Common name
Order: Rodentia
Suborder: Castorimorpha
Old World rats and mice
Order, Suborder, Family
4 species (common)
size of family
size range of individuals
native range
distribution/habitat
body plan, tail, digits
jaw musculature architecture
molars rooted/rootless
diet(s)
breeding/population dynamics/disease
Order: Rodentia
Suborder: Myomorpha
compare
Norway Rat, Roof Rat, House Mouse: size, droppings, eyes, ears, body shape, nose, feet size
Mus vs Peromyscus: native/exotic, size, eyes/ears, tail, pelage, food strategy, trap savvy
jerboas, jumping mice, birch mice
Order, Suborder, Family
id keys of feet and tail length
2 KY species (common + scientific)
Order: Rodentia
Order, Suborder, Family, common/scientific name
Order: Rodentia
Suborder: Myomorpha
Family: Dipodidae
Kentucky species
Order, Suborder, Family, Subfamily, common/scientific name
Order: Rodentia
Suborder: Myomorpha
Family: Cricetidae
Kentucky species
Order, Suborder, Family, Subfamily, common/scientific name
Order: Rodentia
Suborder: Myomorpha
Family: Cricetidae
Kentucky species
Order, Suborder, Family, Subfamily, common/scientific name
Order: Rodentia
Suborder: Myomorpha
Family: Cricetidae
Describe habitat use and related adaptations of voles
Describe habitat use and related adaptations of Peromyscus
Ky species
Order, Suborder, Family, Subfamily, common/scientific name
Order: Rodentia
Suborder: Myomorpha
Family: Cricetidae
Ky species
Order, Suborder, Family, Subfamily, common/scientific name
Order: Rodentia
Suborder: Myomorpha
Family: Cricetidae
North American tree porcupine, capybara, chinchilla, nutria
Order, Suborder
jaw architecture/infraorbital foramen
Order: Rodentia
Order, Suborder, Family, species (common + scientific)
range
habitat
size
diet (seasonal)
Order: Rodentia
Suborder: Hystricomorpha
Order, Suborder, Family, species (common + scientific)
range
habitat
id feature to distinguish
Order: Rodentia
Suborder: Hystricomorpha
capybara and Guinea pigs
Order, Suborder, Family
capybara: range, size, habitat, predator
cavies: habitat, range, size
Order: Rodentia
Suborder: Hystricomorpha
