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Afrotherian Orders Order Proboscidea, Family Elephantidae PowerPoint Presentation
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Afrotherian Orders Order Proboscidea, Family Elephantidae. Loxodonta - African elephant. Elephas - Asian elephant. Afrotherian Orders Order Sirenia, Family Trichechidae. Tooth replacement. Trichechus. Trichechus manatus- West Indian manatee. Elephas. Afrotherian Orders

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Presentation Transcript
slide2

Afrotherian Orders

Order Proboscidea, Family Elephantidae

Loxodonta - African elephant

Elephas - Asian elephant

slide3

Afrotherian Orders

Order Sirenia, Family Trichechidae

Tooth replacement

Trichechus

Trichechus manatus- West Indian manatee

Elephas

slide4

Afrotherian Orders

Order Hyracoidea, Family Procaviidae

Procavia - rock hyrax

slide5

Afrotherian Orders

Order Macroscelidea, Family Macroscelididae

Macroscelides - elephant shrew

slide6

Afrotherian Orders

Order Tubilindentata, Family Orycteropidae

Orycteropus - Aardvark

myrmecophagous

The cheek teeth: numerous hexagonal prisms of dentin (perpendicular to the occlusal surface)

slide7

Afrotherian Orders

Order Afrosoricida, Family Tenrecidae

Echinops - Hedgehog tenrec

Tenrec - tailless tenrec

slide13

Order Rodentia

Traditionally, two suborders are recognized:

Hystricognathi & Sciurognathi

slide14

Euarchontoglires,OrderRodentia

Hystricognathi, Family Erethizontidae

Erethizon - North American porcupine

Coendu - prehensile-tailed porcupine

slide15

Euarchontoglires,Order Rodentia

Hystricognathi, Family Hydrochaeridae

Hydrochaeris - capybara

slide16

Euarchontoglires,Order Rodentia

Hystricognathi, Family Bathyergidae

Heterocephalus glaber - naked mole rat

The only eusocial vertebrate

slide17

Euarchontoglires,Order Rodentia

Sciurognathi, Family Sciuridae

Sciurus niger

Eastern fox squirrel

Urocitellus beldingi

Belding’s ground squirrel

slide18

Euarchontoglires,Order Rodentia

Sciurognathi, Family Heteromyidae

Microdipodops megacephalus - kangaroo mouse

slide19

Euarchontoglires,Order Rodentia

Sciurognathi, Family Geomyidae

Thomomys talpoides - northern pocket gopher

Fossorial Adaptations

Small eyes and small pinnae

Fur is velvety – doesn’t lie in one direction

Fusiform body with a short, tactorial tail

Forelimbs modified for digging

Procumbent incisors

slide20

Euarchontoglires,Order Rodentia

Sciurognathi, Family Muridae

Subfamily Sigmodontinae, Reithrodontomys megalotis - western harvest mouse

slide21

Euarchontoglires,Order Rodentia

Sciurognathi, Family Muridae

Subfamily Arvicolinae, Microtus longicaudus - long-tailed vole

semi-fossorial

slide22

Euarchontoglires

Order Lagomorpha, Family Leporidae

chisel-like1st incisors

small peg-like 2nd upper incisors

diastema

fenestrated rostrum

Lepus townsendii

White-tailed jackrabbit

slide23

Euarchontoglires Order Primates

Strepsirhini, Family Lemuridae

Dental comb

Diagnostic for strepsirhines

Lemur catta - ring-tailed lemur

slide24

Euarchontoglires Order Primates

Haplorhini, Family Callithricidae

Leontopithecus rosalia - Golden lion tamarin

slide25

Euarchontoglires Order Primates

Haplorhini, Family Hominidae

Pan troglodytes

Gorilla gorilla

slide26

Euarchontoglires Order Dermoptera

Family Cynocephalidae

Pectinate lower incisors

Cynocephalus - Flying lemur

slide27

Euarchontoglires Order Scandentia

Family Tupaiidae

Tupaia glis - common tree shrew

slide29

Laurasiatheria Order Insectivora

Family Soricidae

Sorex palustris

water shrew

Blarina brevicauda

northern short-tailed shrew

venomous saliva

slide30

Laurasiatheria Order Chiroptera

Megachiroptera Family Pteropodidae

Rousettus - rousette bats

slide31

Laurasiatheria Order Chiroptera

Microchiroptera Family Phyllostomidae

Desmodus - sanguinivorous

slide32

Laurasiatheria Order Chiroptera

Microchiroptera Family Phyllostomidae

Cheoronycteris - Nectarivorous

slide33

Laurasiatheria Order Chiroptera

Microchiroptera Family Phyllostomidae

Frugivorous forms

Centrurio – wrinkle-faced bats

Artibeus – New world fruit bat

slide34

Laurasiatheria Order Chiroptera

Microchiroptera Family Phyllostomidae

Trachops – frog-eating bat

http://www.youtube.com/watch?v=4SW-2TYX8Sg

slide35

Laurasiatheria Order Chiroptera

Microchiroptera Family Vespertilionidae

Euderma maculatum

spotted bat

slide36

Laurasiatheria Order Carnivora

Family Phocidae

Mirounga angustirostris - northern elephant seal

slide37

Laurasiatheria Order Carnivora

Family Procyonidae

Bassariscus astutus - ringtail

Procyon lotor

northern raccoon

slide38

Laurasiatheria Order Pholidota

Family Manidae

Manis - pangolins

Scales are Keratinized

slide39

Laurasiatheria Order Cetartiodactyla

(Includes cetaceans and artiodactyls)

Family Suidae

Sus scrofa - boar

Phacochoerus - wart hog

slide40

Laurasiatheria Order Cetartiodactyla

Family Giraffidae

Giraffa

slide41

Laurasiatheria Order Cetartiodactyla

Family Balaenopteridae

Megaptera - humpbacked whale

slide42

Laurasiatheria Order Cetartiodactyla

Family Delphinidae

Orcinusorca - orca

slide43

Laurasiatheria Order Perissodactyla

Family Rhinocerotidae

Ceratotherium - white rhinoceros

slide44

Laurasiatheria Order Perissodactyla

Family Equidae

Equus grevyi - Grevy’s zebra