Mammalogy Lab Exam 1

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Class Mammalia

• Skull - Single dentary bone
- Double occipital condiles

• Skin - Fur
- Mammary glands

Subclass Prototheria

• Skull - No teeth
- No lacramal canal
- No auditory bullae

• Skin - No nipples

Order Monotremata

• Skull - No teeth
- No lacramal canal
- No auditory bullae

• Skin - No nipples

Family Tachyglossidae

• Skull - No teeth
- Pointed rostrum

• Skin - Spines
- Big mother claws
"Echidna"

Family Ornithorhynchidae

• Skull - Spatula skull
- No lacrimal

• Skin - Duck bill
"Duck-billed Platypus"

Subclass Theria

• Skull - Lacrimal present
- Dentate

• Skin - Nipples

Infraclass Metatheria

• Skull - Inflected angular processes
- Fenestrated palate

• Skin - Pouch present

Order Didelphimorphia

• Skull - 5 upper incisors

• Skin - Didactylous feet
(Looking for order)

Family Didelphidae

• Skull - 5 upper incisors

• Skin - didactylous hallux w/o claw
- naked tail
"Opossum" NW
(Looking for family)

Order Diprotodontia

• Skull - Diprotodont incisors

• Skin - Syndactylous feet

Family Macropodidae

• Skull - Gap in lower diastima

• Skin - Foot pads
- Long, stiff tail

"Kangaroo, wombat" AU

Family Phalangeridae

• Skull - Teeth present in lower diastima

• Skin - Opposible hallux
- Bushy tail

"Brushtail possum, cuscous" AU

Infraclass Eutheria

• Skull - No inflection on angular process

• Skin - No pouch (marsupium)

Order Insectivora

• Skull - None

• Skin - None

Family Talpidae

• Skull - Zygomatic arch

• Skin - Big claws
- smooth fur

Family Soricidae

• Skull - No zygomatic arch

• Skin - Generic mammal
WW

Order Macroscelidea

• Skull - Not a soricid, not a talpid, not a tupaiid

• Skin - Proboscis
"Elephant shrews" AF
(Looking for order)

Family Macroscelididae

• Skull - Not a soricid, not a talpid, not a tupaiid

• Skin - Proboscis
"Elephant shrews" AF
(Looking for family)

Order Scandentia

• Skull - Perforated zygomatic arch
- Complete postorbital process

• Skin - Long bushy tail
"Tree shrews" AS
(Looking for order)

Family Tupaiidae

• Skull - Perforated zygomatic arch
- Complete postorbital process

• Skin - Long bushy tail
"Tree shrews" AS
(Looking for family)

Order Chiroptera

• Skull - none

• Skin - Winged patagium
"Bats" WW

Suborder Megachiroptera

• Skull - Large postorbital process
- palate extends past the last premolar

• Skin - Secondary claws
- No tail/europatagium
"Megabats, fruit bats, flying foxes" OW
(Looking for suborder)

Family Pteropodidae

• Skull - Large postorbital process
- palate extends past the last premolar

• Skin - Secondary claws
- No tail
"Megabats, fruit bats, flying foxes" OW
(Looking for family)

Suborder Microchiroptera

• Skull - No postorbital process

• Skin - No secondary claw
- Europatagium present
"Microbats" WW
(Looking for suborder)

Family Phyllostomidae

• Skull - Complete premaxilla

• Skin - Leaf-nose
"Leaf-nosed bats" NW
(Looking for family)

Family Vespertilionidae

• Skull - Gap between incisors
- Unfused premaxilla
- No postorbital process

• Skin - Large tragus
"Common/Evening bats"
(Looking for family)

Family Molossidae

• Skull - Similiar to Vespertilionidae so it needs a skin

• Skin - Free tail
- Small/no tragus
"Mouse-eared/free-tailed bats" WW
(Looking for family)

Order Dermoptera

• Skull - Pectinate lower incisors
- Broad/flat palate
- Post orbital process

• Skin - Tail membrane
"Colugos/flying lemurs" AS
(Looking for order)

Family Cynocephalidae

• Skull - Pectinate lower incisors
- Broad/flat palate
- Post orbital process

• Skin - Tail membrane
"Colugos/flying lemurs" AS
(Looking for family)

Order Xenarthra

• Skeleton - Xenarthorous process

• Skin - none
NW

Family Myrmecophagidae

• Skull - Large jugal
- Secondary palate extends to bullae (protection from ants)
- Incomplete zygo arch
- No teeth

• Skin - Furry tail
"Anteater" CA, SA

Family Dasypodidae

• Skull - Complete zygo arch
- Homodont teeth
- No incisors/canines

• Skin - Scutes (Not true scales)
"Armadillos" NW

Family Bradypodidae

• Skull - Homodont teeth
- Large, thick jugal with large ventral/dorsal processes (biforcated)
- Blunt snout
- Homodont teeth

• Skin - No tail
"Sloths" CA, SA

Order Pholidota

• Skull - Normal secondary palate (anteaters)
- Fake teeth in lower jaw
- Incomplete zygo arch
- No jugal

• Skin - True scales
"Pangolins" AF, AS
(Looking for order)

Family Manidae

• Skull - Normal secondary palate (anteaters)
- Fake teeth in lower jaw
- Incomplete zygo arch
- No jugal

• Skin - True scales
"Pangolins" AF, AS
(Looking for family)

Order Tubulidentata

• Skull - Teeth with tubles of dentine
- Homodont teeth
- No incisors/canines
- Complete zygomatic arch

• Skin - Pig snout
"Aardvark" AF
(Looking for order)

Family Orycteropodidae

• Skull - Teeth with tubles of dentine
- Homodont teeth
- No incisors/canines
- Complete zygomatic arch

• Skin - Pig snout
"Aardvark" AF
(Looking for family)

Order Primates

• Skull - Forward facing orbits
- Enlarged braincase

• Skin - Have nails

Suborder Strepsirhini

• Skull - Comb-like lower incisors
- Post-orbital bar

• Skin - Posses a toilet claw on hind index
"Lemurs, bushbabies" MA
(Looking for suborder)

Family Lemuridae

• Skull - Comb-like lower incisors
- Post-orbital bar

• Skin - Posses a toilet claw on hind index
"Lemurs, bushbabies" MA
(Looking for family)

Suborder Haplorhini

• Skull - Post-orbital plate
- Larger braincase
- Shorter rostrum
- Normal lower incisors

• Skin - No toilet claw
(Looking for suborder)

Family Cebidae

• Skull - Auditory bullae is simple hole
- 6 upper postcanines

• Skin - No ischial callosities
- Some have prehensile tail
"New World monkeys, squirrel monkeys, howler monkeys" CA, SA

Family Cercopithecidae

• Skull - Auditory bullae is a bony tube
- 1st lower premolar root eroded/deeply slanted
- 5 upper postcanines

• Skin - Ischial callosities
"Old World monkeys, baboons, rhesus, macaques" EU, AF, AS

Family Hominidae

• Skull - Auditory bullae is a bony tube
- Normal lower 1st premolar
- 5 upper postcanines
- Larger braincase

• Skin - No ischial callosites
"Orangutans, Gorillas, Chimps, Humans"

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