Mammals of the World 2

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Last updated 11:59 PM on 10/17/26

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15 Terms

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What is the Sublass, Infraclass, Clade, Order, and Family of Aardvarks?

Characteristics?

>Theria, Eutheria, Afrotheria, Tubulidentata, Orycteropodidae

-homodont cheek teeth

-tubular dentition, columnar, tubes of dentine, no enamel

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What is the Sublass, Infraclass, Clade, Order, and Family of Elephant shrews?

Characteristics?

>Theria, Eutheria, Afrotheria, Macroscelidea, Macroscelididae

-fenestrated palate

-auditory bullae enlarged

-quadritubercular and bunodont teeth

-no external cheek pouches

<p>>Theria, Eutheria, Afrotheria, Macroscelidea, Macroscelididae</p><p>-fenestrated palate</p><p>-auditory bullae enlarged</p><p>-quadritubercular and bunodont teeth</p><p>-no external cheek pouches</p>

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What is the Sublass, Infraclass, Clade, Order, and Family of Golden Moles?

Characteristics?

>Theria, Eutheria, Afrotheria, Tenrecoidea (Afrosoricida), Chrysochloridae

-skull strongly triangular in shape

-eyes covered with skin

-Upper molars trituburcular and zalambodont

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What is the Sublass, Infraclass, Clade, Subclade, Order, and Family of Hyrax?

Characteristics?

>Theria, Eutheria, Afrotheria, Paenungulata, Hyracoidea, Procaviidae

-1/2 incisors

-Upper incisors ever growing and tusk-like

-Cheek teeth lophodont

-post orbital process/bar

-jugal forms part of mandibular fossa

-elastic pads on feet

<p>>Theria, Eutheria, Afrotheria, Paenungulata, Hyracoidea, Procaviidae</p><p>-1/2 incisors</p><p>-Upper incisors ever growing and tusk-like</p><p>-Cheek teeth lophodont</p><p>-post orbital process/bar</p><p>-jugal forms part of mandibular fossa</p><p>-elastic pads on feet</p>

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What is the Sublass, Infraclass, Clade, Subclade, Order, and Family of Elephants?

>Theria, Eutheria, Afrotheria, Paenungulata, Proboscidea, Elephantidae

-Upper incisors ever growing and tusk-like

-cheek teeth polyphyodont and lophodont (loxodont)

-long proboscis (trunk)

-limbs pillar-like (graviportal)

-large elastic pad on sole of feet

<p>>Theria, Eutheria, Afrotheria, Paenungulata, Proboscidea, Elephantidae</p><p>-Upper incisors ever growing and tusk-like</p><p>-cheek teeth polyphyodont and lophodont (loxodont)</p><p>-long proboscis (trunk)</p><p>-limbs pillar-like (graviportal)</p><p>-large elastic pad on sole of feet</p>

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What is the Sublass, Infraclass, Clade, Subclade, Order, and Family of Dugongs?

Characteristics?

>Theria, Eutheria, Afrotheria, Paenungulata, Sirenia, Dungongidae

-"dolphin like" tail fluke

-premaxilla sharply bent and steep angle down

-tusk-like incisors

-Cheek teeth simple columns

-Jugal broadens below Orbit

<p>>Theria, Eutheria, Afrotheria, Paenungulata, Sirenia, Dungongidae</p><p>-"dolphin like" tail fluke</p><p>-premaxilla sharply bent and steep angle down</p><p>-tusk-like incisors</p><p>-Cheek teeth simple columns</p><p>-Jugal broadens below Orbit</p>

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What is the Sublass, Infraclass, Clade, Subclade, Order, and Family of Manatees?

Characteristics?

>Theria, Eutheria, Afrotheria, Paenungulata, Sirenia, Trichechidae

-rounded tail fluke

-premaxilla small and slightly bent

-no upper incisors

-jugal broadened behind orbit

-Cheek teeth with two ridges (complex)

<p>>Theria, Eutheria, Afrotheria, Paenungulata, Sirenia, Trichechidae</p><p>-rounded tail fluke</p><p>-premaxilla small and slightly bent</p><p>-no upper incisors</p><p>-jugal broadened behind orbit</p><p>-Cheek teeth with two ridges (complex)</p>

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What is the Sublass, Infraclass, Clade, Order, and Family of pikas?

Characteristics?

>Theria, Eutheria, Euarchontoglires, Lagomorpha, Ochotonidae

-2/1 incisors (ever-growing incisors; no canines)

-NO supraorbital process

-perforated maxilla

-jugal projects posteriorly

-naked digit pads

-round ears

-transversely bilophodont

<p>>Theria, Eutheria, Euarchontoglires, Lagomorpha, Ochotonidae</p><p>-2/1 incisors (ever-growing incisors; no canines)</p><p>-NO supraorbital process</p><p>-perforated maxilla</p><p>-jugal projects posteriorly</p><p>-naked digit pads</p><p>-round ears</p><p>-transversely bilophodont</p>

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What is the Sublass, Infraclass, Clade, Order, and Family of rabbits and hares?

Characteristics?

>Theria, Eitheria, Euarchontoglires, Lagomorpha, Leporidae

-supraorbital process

-2/1 incisors

-fenestrated maxilla

-digital pads covered in hair

-transversely bilophodont

-elongated ears

<p>>Theria, Eitheria, Euarchontoglires, Lagomorpha, Leporidae</p><p>-supraorbital process</p><p>-2/1 incisors</p><p>-fenestrated maxilla</p><p>-digital pads covered in hair</p><p>-transversely bilophodont</p><p>-elongated ears</p>

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What is the Sublass, Infraclass, Clade, Order, Suborder and Family of mountain beavers?

Characteristics?

>Theria, Eutheria, Euarchontoglires, Rodentia, Sciuromorpha, Aplodontiidae

-Protrogomorphous

-"acorn" shaped teeth

-auditory bullae not inflated and has long tympanic tube

-1/1 incisors

<p>>Theria, Eutheria, Euarchontoglires, Rodentia, Sciuromorpha, Aplodontiidae</p><p>-Protrogomorphous</p><p>-"acorn" shaped teeth</p><p>-auditory bullae not inflated and has long tympanic tube</p><p>-1/1 incisors</p>

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What is the Sublass, Infraclass, Clade, Order, Suborder and Family of squirrels?

Characteristics?

>Theria, Eutheria, Euarchontoglires, Rodentia, Sciuromorpha, Sciuridae

-1/1 incisors

-Sciuromorphous

-HAS postorbital process

-"hand peace-sign" teeth

-no tympanic tube for auditory bullae

<p>>Theria, Eutheria, Euarchontoglires, Rodentia, Sciuromorpha, Sciuridae</p><p>-1/1 incisors</p><p>-Sciuromorphous</p><p>-HAS postorbital process</p><p>-"hand peace-sign" teeth</p><p>-no tympanic tube for auditory bullae</p>

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What is the Sublass, Infraclass, Clade, Order, Suborder and Family of American Beavers?

Characteristics?

>Theria, Eutheria, Euarchontoglires, Rodentia, Castorimorpha, Castoridae

-Sciuromorphous

-NO post orbital process

-basioccipital depression

-enamel folds (complex cheekteeth)

-auditory bullae HAS tympanic tube

- tail large, broad, and flat

<p>>Theria, Eutheria, Euarchontoglires, Rodentia, Castorimorpha, Castoridae</p><p>-Sciuromorphous</p><p>-NO post orbital process</p><p>-basioccipital depression</p><p>-enamel folds (complex cheekteeth)</p><p>-auditory bullae HAS tympanic tube</p><p>- tail large, broad, and flat</p>

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What is the Sublass, Infraclass, Clade, Order, Suborder and Family of Pocket Gophers?

Characteristics?

>Theria, Eutheria, Euarchontoglires, Rodentia, Castorimorpha, Geomyidae

-'Myomorphous' Infraorbital foramen does NOT perforate through maxilla

-simple cheek teeth

-auditory bullae small

-small ears, short tail, external fur-lined cheek pouches

<p>>Theria, Eutheria, Euarchontoglires, Rodentia, Castorimorpha, Geomyidae</p><p>-'Myomorphous' Infraorbital foramen does NOT perforate through maxilla</p><p>-simple cheek teeth</p><p>-auditory bullae small</p><p>-small ears, short tail, external fur-lined cheek pouches</p>

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What is the Sublass, Infraclass, Clade, Order, Suborder and Family of Kangaroo rats and pocket mouse?

Characteristics?

>Theria, Eutheria, Euarchontoglires, Rodentia, Castorimorpha, Heteromyidae

-'Myomorphous' Infraorbital foramen DOES perforate through maxilla

-simple cheek teeth

-auditory bullae slightly to greatly inflated

-limbs modified for saltation (jumping)

-external fur-lined cheek pouches

<p>>Theria, Eutheria, Euarchontoglires, Rodentia, Castorimorpha, Heteromyidae</p><p>-'Myomorphous' Infraorbital foramen DOES perforate through maxilla</p><p>-simple cheek teeth</p><p>-auditory bullae slightly to greatly inflated</p><p>-limbs modified for saltation (jumping)</p><p>-external fur-lined cheek pouches</p>

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What are the differences between myomorphous, protrogomorphous, sciuromorphous, and Hystricomorphous?

>Myomorphous- zygomatic plate, upside down teardrop shaped IOF

>Protrogomorphous- very widened head, IOF round and small

>Sciuromorphous- zygomatic plate, teardrop shaped IOF

>Hystricomorphous- very large, round IOF

<p>>Myomorphous- zygomatic plate, upside down teardrop shaped IOF</p><p>>Protrogomorphous- very widened head, IOF round and small </p><p>>Sciuromorphous- zygomatic plate, teardrop shaped IOF</p><p>>Hystricomorphous- very large, round IOF</p>