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Class Reptilia Subclass Synapsida Order Pelycosauria Ophiacodon

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Reptiles-II - PowerPoint PPT Presentation


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Class Reptilia Subclass Synapsida Order Pelycosauria Ophiacodon. -early synapsid (mammal-like reptile) -12 ft long -primitive pelycosaur. Evolution of the Synapsid Line. Cynodont therapsid. advanced pelycosaur. Primitive pelycosaur. Class Reptilia Subclass Synapsida Order Therapsida.

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Presentation Transcript
slide1

Class Reptilia Subclass Synapsida Order Pelycosauria Ophiacodon

-early synapsid

(mammal-like reptile)

-12 ft long

-primitive pelycosaur

slide2

Evolution of the Synapsid Line

Cynodont therapsid

advanced pelycosaur

Primitive pelycosaur

slide3

Class Reptilia

Subclass Synapsida

Order Therapsida

Cynodont therapsid

-gave rise to Class Mammalia

-numerous character transformations

slide4

Class Mammalia

Subclass Prototheria

Order Monotremata

Extant Monotremes

slide5

Class Mammalia

Subclass Prototheria

Order Monotremata

Duck-billed platypus (Ornithorhyncus)

slide6

Class Mammalia

Subclass Prototheria

Order Monotremata

Platypus (Ornithorhyncus)

slide7

Class Mammalia

Subclass Prototheria

Order Monotremata

Echidna (Tachiglossus)

slide8

Class Mammalia

Subclass Prototheria

Order Monotremata

Echidna (Zaglossus)

slide9

Class Mammalia

Subclass Theria

Infraclass Metatheria

Marsupials

slide10

Class Mammalia

Subclass Theria

Infraclass Metatheria

Tasmanian devil

slide11

Class Mammalia

Subclass Theria

Infraclass Metatheria

Kangaroo

slide12

Class Mammalia

Subclass Theria

Infraclass Eutheria

Placental Mammals

slide13

Class Mammalia

Subclass Theria

Infraclass Eutheria

Tree shrew (Tupaia)

(resembles ancestral primate condition)

slide14

Class Mammalia

Subclass Theria

Infraclass Eutheria

Lemur

(primitive primate)

slide15

Class Mammalia

Subclass Theria

Infraclass Eutheria

Tarsier

(living analogy of a slightly later stage in primate evolution)

slide16

Class Mammalia

Subclass Theria

Infraclass Eutheria

New World Monkey (Platyrrhine)

(spider monkey)

slide17

Class Mammalia

Subclass Theria

Infraclass Eutheria

Old World Monkey (Catyrrhine)

slide18

Class Mammalia

Subclass Theria

Infraclass Eutheria

Australopithicine

slide20

Class Mammalia

Subclass Theria

Infraclass Eutheria

O. Hyracoidea

(hyrax, coney)

slide21

Class Mammalia

Subclass Theria

Infraclass Eutheria

O. Edentata (Xenarthra)

(armadillo)

slide22

Class Mammalia

Subclass Theria

Infraclass Eutheria

O. Pholidota

(pangolin, scaly anteater)

slide23

Asiatic pangolin, or scaly anteater

Class Mammalia Subclass Theria Infraclass Eutheria Order Pholidota

slide24

Class Mammalia

Subclass Theria

Infraclass Eutheria

O. Dermoptera

(flying lemur)

slide25

Class Mammalia

Subclass Theria

Infraclass Eutheria

O. Dermoptera

(flying lemur)

slide26

Class Mammalia

Subclass Theria

Infraclass Eutheria

O. Tubulidentata

(aardvark)

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