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Mammalogy > Lab Practical #1 > Flashcards

Lab Practical #1 Flashcards

1
Q

Prototheria Characters, Order, and Families

A
  • No teeth - No jugal - No Lacrimal - No auditory bullae Order: Monotremata Families: Ornithorhynchidae & Tachyglossidae
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2
Q
A

Subclass: Theria

Infraclass: Metatheria

Order: Monotremata

Family: Ornithorhynchidae (platypus)

(AU)

Gen. Characters:

  • anterior (open) separation of premaxila
  • duckbilled snout
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3
Q
A

Subclass: Theria

Infraclass: Metatheria

Order: Monotremata

Family: Tachyglossidae (echidna)

(AU & New Guinea)

Gen. Characters:

  • closed premaxila
  • snout slender long, rodlike
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4
Q

Subclass: Theria characters

A
  • Teeth present
  • jugal present
  • auditory bullae

lacrimal present

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5
Q

Infraclass: Metatheria characters

A
  • epipubic bones,
  • inflicted AP
  • Jugal forms part of Mandibular Fossa
  • Fenestrated Palate
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6
Q
A

Subclass: Theria

Infraclass: Metatheria

Order: Didelphimorphia

Family: Didelphidae (Opossum)

(NW)

Gen. Characters:

  • Polydacttyly (all digits of the hind foot are free)
  • Polyprodont ( multiple incisors of different sides) subequal in size

-5/4 incisors

-molars trituber cular

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7
Q
A

Subclass: Theria

Infraclass: Metatheria

Order: Didelphimorphia

Family: Didelphidae (Opossum)

(NW)

Gen. Characters:

  • Polydacttyly (all digits of the hind foot are free)
  • Polyprodont ( multiple incisors of different sides) subequal in size
  • 5/4 incisors
  • molars trituber cular
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8
Q
A

Subclass: Theria

Infraclass: Marsupialia

Order: Diprotodontia

Family: Phalangeridae (Possum)

(AU)

Gen. Characters:

  • no/smaller diastema
  • diprotodont
  • canines reduced in size
  • last upper molar & premolar usually enlarged, projecting above molar crowns
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9
Q
A

Subclass: Theria

Infraclass: Marsupialia

Order: Diprotodontia

Family: Phalangeridae (Possum)

(AU)

Gen. Characters:

  • no/smaller diastema
  • diprotodont
  • canines reduced in size
  • last upper molar & premolar usually enlarged, projecting above molar crowns
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10
Q
A

Subclass: Theria

Infraclass: Marsupialia

Order: Diprotodontia

Family: Macropodidae (kangaroos,wallabies)

(AU)

Gen. Characters:

  • large diastema

-diprodont

  • upper incisors subequal
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11
Q
A

Subclass: Theria

Infraclass: Marsupialia

Order: Diprotodontia

Family: Macropodidae (kangaroos,wallabies)

(AU)

Gen. Characters:

  • large diastema
  • diprodont
  • upper incisors subequal
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12
Q

Infraclass: Eutheria characters

A
  • No epipubic bone

No fenestrated palate

  • Jugal does not form Mandibular Fossa
  • No inflicted Angular Process
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13
Q

Clade Xenarthra: Characters

A

-projections on vertebrate

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14
Q
A

Subclass: Theria

Infraclass: Eutheria

Clade: Xenarthra

Order: Cingulata

Family: Dasypodidae (armadillos)

(NW)

Gen. Characters:

  • homodont cheekteeth
  • keratinized scutes
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15
Q
A

Subclass: Theria

Infraclass: Eutheria

Order: Cingulata

Family: Dasypodidae (armadillos)

(NW)

Gen. Characters:

  • homodont cheekteeth
  • keratinized scutes
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16
Q
A

Subclass: Theria

Infraclass: Eutheria

Clade: Xenarthra

Order: Pilosa

Family: Bradypodidae (three-toed sloth)

(NW)

Gen. Characters:

  • projections on jugal
  • incomplete zygomatic arch
  • all cheekteeth homodont (indistinguishable)
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17
Q
A

Subclass: Theria

Infraclass: Eutheria

Clade: Xenarthra

Order: Pilosa

Family: Bradypodidae (three-toed sloth)

(NW)

Gen. Characters:

  • projections on jugal
  • incomplete zygomatic arch
  • all cheekteeth homodont (indistinguishable)
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18
Q
A

Subclass: Theria

Infraclass: Eutheria

Clade: Xenarthra

Order: Pilosa

Family: Myrmecophagidae(ant-eater)

(CA,SA)

Gen. Characters:

- no teeth

  • incomplete zygomatic arch
  • slull elongate, curving downward
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19
Q
A

Subclass: Theria

Infraclass: Eutheria

Clade: Xenarthra

Order: Pilosa

Family: Myrmecophagidae (ant-eater)

(CA,SA)

Gen. Characters:

  • no teeth
  • incomplete zygomatic arch
  • slull elongate, curving downward
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20
Q
A

Subclass: Theria

Infraclass: Eutheria

Clade: Afrotheria

Order: Tublidentata

Family: Orycteropodidae (Aardvark)

(AF)

Gen. Characters:

  • cheekteeth homodont, columnar consisting of numerous vertical tubes of dentine in a matrix of pulp
  • incomplete zygomatic arch
  • slull elongate, curving downward
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21
Q
A

Subclass: Theria

Infraclass: Eutheria

Clade: Afrotheria

Order: Tublidentata

Family: Orycteropodidae (Aardvark)

(AF)

Gen. Characters:

  • cheekteeth homodont, columnar consisting of numerous vertical tubes of dentine in a matrix of pulp
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22
Q
A

Subclass: Theria

Infraclass: Eutheria

Clade: Afrotheria

Order: Macroscelidea

Family: Macroscelididae (elephant shrew)

(AF)

Gen. Characters:

  • only eutherian w/ palatal fenestrations in teeth
23
Q
A

Subclass: Theria

Infraclass: Eutheria

Clade: Afrotheria

Order: Macroscelididea

Family: Macroscelididae (elephant shrew)

(AF)

Gen. Characters:

  • only eutherian w/ palatal fenestrations in teeth
24
Q
A

Subclass: Theria

Infraclass: Eutheria

Clade: Panenungulata

Order: Hyracoidea

Family: Procavaiidae (hyrax)

(AF)

Gen. Characters:

  • upper incisor, evergrowing, tusk-like, composed chietly or entirely of detine
  • 1/2 I
25
Subclass: Theria Infraclass: Eutheria Clade: Panenungulata Order: Hyracoidea Family: Procavaiidae (hyrax) (AF) Gen. Characters: - upper incisor, evergrowing, tusk-like, composed chietly or entirely of detine - 1/2 I
26
Subclass: Theria Infraclass: Eutheria Clade: Panenungulata Order: Proboscidea Family: Elephantidae (elephant) (AF) Gen. Characters: - long proboscis
27
Subclass: Theria Infraclass: Eutheria Clade: Panenungulata Order: Sirenia Family: (Dugong) (AU,AS,AF) Gen. Characters: - upper incisor tusk-like - tail fluke dolphin like
28
Subclass: Theria Infraclass: Eutheria Clade: Panenungulata Order: Sirenia Family: Trichechidae (manatee) (AF,NW) Gen. Characters: - no upper incisor - tail fluke evenly rounded
29
Subclass: Theria Infraclass: Eutheria Clade: Euarchontoglires Order: Lagomorpha Family: Ochotonidae (pika) (NA,AS,EU) Gen. Characters: - no supraorbital process - maxila fenestrated
30
Subclass: Theria Infraclass: Eutheria Clade: Euarchontoglires **Order: Lagomorpha** **Family: Leporidae (rabbit)** (WW,exAU) Gen. Characters: - supraorbital process present, fanshaped - two pair of incisors, second pair small
31
Subclass: Theria Infraclass: Eutheria Clade: Euarchontoglires Order: Rodentia Suborder: Sciuromorpha Family: Aplodontiidae (mountain beaver) (NA) Gen. Characters: - Jaw musculature protogomorphus (perfect circles, IOF)
32
Subclass: Theria Infraclass: Eutheria Clade: Euarchontoglires Order: Rodentia Suborder: Sciuromorpha Family: Aplodontiidae (mountain beaver) (NA) Gen. Characters: - Jaw musculature protogomorphus (perfect circles,
33
Subclass: Theria Infraclass: Eutheria Clade: Euarchontoglires Order: Rodentia Suborder: Sciuromorpha Family: Sciuridae (squirrel) (ww,exAu) Gen. Characters: - post-orbital process of these sciurid rodents
34
Subclass: Theria Infraclass: Eutheria Clade: Euarchontoglires Order: Rodentia Suborder: Castorimorpha Family: Castoridae (mountain beaver) (NA) Gen. Characters: - tail long broad naked & scaly - distinct depression in basiocciptial
35
Subclass: Theria Infraclass: Eutheria Clade: Euarchontoglires Order: Rodentia Suborder: Castorimorpha Family: Geomyidae (pocket gopher) (Nw) Gen. Characters: - external furlined pouches - infraorbital canal compressed against side of rostrum - IOF Semi periced
36
Subclass: Theria Infraclass: Eutheria Clade: Euarchontoglires Order: Rodentia Suborder: Castorimorpha Family: Heteromyidae (kangaroo rat) (Nw) Gen. Characters: - external furlined pouches - infraorbital canal compressed against side of rostrum - IOF perforates rostrum - inflated auditory bullae
37
Subclass: Theria Infraclass: Eutheria Clade: Euarchontoglires Order: Rodentia Suborder: Myomorpha Family: Dipodidae (jumping mice) (NA,EA) Gen. Characters: - infraorbital (oval large, opening anteriorly - body small like kangaroo - hind limbs elongate - very long tail - no external pouch
38
Subclass: Theria Infraclass: Eutheria Clade: Euarchontoglires Order: Rodentia Suborder: Myomorpha Family: Dipodidae (jumping mice) (NA,EA,AS,AF,EU) Gen. Characters: - infraorbital (oval large, opening anteriorly - body small like kangaroo - hind limbs elongate - very long tail
39
_Subclass_: Theria _Infraclass_: Eutheria _Clade_: Euarchontoglires _Order_: Rodentia _Suborder_: Myomorpha _Family_: Cricetidae _Subfamily_: Arvicolinae (lemmings,muskrat) (NA,EA) _Gen. Characters:_ - ocuclusal surface flat prism"x-mas tree" cheekteeth - short tail limbs, robust body - true myomorphus
40
Subclass: Theria Infraclass: Eutheria Clade: Euarchontoglires Order: Rodentia **Suborder: Myomorpha** **Family: Cricetidae** **Subfamily: Arvicolinae (lemmings,muskrat)** **(NA,EA)** Gen. Characters: ***-ocuclusal surface flat prism"x-mas tree" cheekteeth*** - short tail limbs, robust body - true myomorphus
41
Subclass: Theria Infraclass: Eutheria Clade: Euarchontoglires Order: Rodentia **Suborder: Myomorpha** **Family: Cricetidae** **Subfamily: Neotominae (rats & mice)** **(NA)** Gen. Characters: - flat occusal surface, non-prismatic w/ rounded cusp - 2 cusp rows - furry tails
42
Subclass: Theria Infraclass: Eutheria Clade: Euarchontoglires Order: Rodentia **Family: Muridae** **Subfamily: Murinae** (old world rat) (ww) Gen. Characters: -**3 main cusps running length of tooth row (looks like hump in the middle** **- scaly tails**
43
Subclass: Theria Infraclass: Eutheria Clade: Euarchontoglires Order: Rodentia **Family: Muridae** **Subfamily: Murina**e (old world rat) (ww) Gen. Characters: - **3 main cusps running length of tooth row (looks like hump in the middle** - scaly tails
44
Subclass: Theria Infraclass: Eutheria Clade: Euarchontoglires Order: Rodentia Family: Hystricomorpha Subfamily: Erethizontidae (NW Porcupines) (NW) Gen. Characters: - large infraorbital canal (hystricomorphus) - folds (mitochondria) cheek teeth
45
Subclass: Theria Infraclass: Eutheria Clade: Euarchontoglires Order: Rodentia **Family: Hystricomorpha** **Subfamily: Erethizontidae (NW Porcupines)** **(NW)** Gen. Characters: - large infraorbital canal (hystricomorphus) - folds (mitochondria) cheek teeth
46
Subclass: Theria Infraclass: Eutheria Clade: Euarchontoglires Order: Rodentia **Family: Hystricomorpha** **Subfamily: Chinchillidae (Chinchillas)** (SA) Gen. Characters: - large infraorbital canal (hystricomorphus) - large auidtory bullae - transverse plates on cheekteeth
47
Subclass: Theria Infraclass: Eutheria Clade: Euarchontoglires **Order: Dermoptera** **Family: Cynocephalidae (Culugo,flying lemur)** (AS) Gen. Characters: **-two inner lower incisors on each side wide, comb like (pectinate**) -gliding membrane stretching from neck to lower digits
48
Subclass: Theria Infraclass: Eutheria Clade: Euarchontoglires **Order: Scandentia** **Family: Tupaiidae (Tree Shrew)** **(AS)** Gen. Characters: - **postorbital process large(glasses), contacting zy arch to complete postorb. bar** - perforated zygomatic arch
49
Subclass: Theria Infraclass: Eutheria Clade: Euarchontoglires Order: Primates **Suborder: Strepsirrhini** **Family: Lemuridae (Lemurs)** (MA) Gen. Characters: - presence of tooth comb, composed of lower c & I - POB complete, but orbital & temporal openings broadly confluent - ischial butt & philtrum, Rhinarium
50
Subclass: Theria Infraclass: Eutheria Clade: Euarchontoglires **Order: Primates** **Suborder: Haplorrrhini** **Family: Atelidae** (Spider, Howler Monkey) (SA,CA) Gen. Characters: **- 3PM & 3M = 6 cheekteeth** - AB does not extend as long tube - naked where grasping
51
Subclass: Theria Infraclass: Eutheria Clade: Euarchontoglires Order: Primates **Suborder: Haplorrrhini** **Family: Cercopithecidae (Baboon)** (EU,AF,AS) Gen. Characters: **- 1st lower premolar angled** -naked butt
52
Subclass: Theria Infraclass: Eutheria Clade: Euarchontoglires Order: Primates Suborder: Haplorrrhini Family: Hominidae (Human) (WW) Gen. Characters: - no angular first lower premolar - auidtory bullae extending laterally as tube
53

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