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Echinodermata
sea stars, sea urchins, sea cucumbers
Chordata
vertebrates, tunicates, lancelets

Urochordata
tunicates

Cephalochordata
Lancelets

Vertebrata
vertebrates

Myxini
hagfish


Petromyzontida
lampreys


Chondrichthyes
sharks, skates, rays


Actinopterygii
ray-finned fish


Sarcopterygii
lobe-finned fish
Amphibia
frogs, salamanders, caecilians

Anura
frogs and toads


Gymnophiona
caecilians


Urodela
salamanders and newts

Reptilia
reptiles

Testudines
turtles and tortoises

Squamata
lizards and snakes

Crocodilia
crocodiles, alligators
Aves
birds

Anseriformes
ducks, geese

Galliformes
chickens, turkeys


Falconiformes
falcons

Accipitriformes
hawks, eagles

Columbiformes
pigeons, doves


Cuculiformes
cuckoos

Strigiformes
owls


Piciformes
woodpeckers


Passeriformes
songbirds

Mammalia
mammals

Primates
humans, monkeys


Lagomorpha
rabbits, hares

Rodentia
rodents

Chiroptera
Bats

Carnivora
dogs, cats, bears

Perissodactyla
horses, rhinos

Artiodactyla
cows, deer, pigs

Cetacea
whales, dolphins


What structure is this?
Synsacrum

What structure is this ?
Pygostyle

What structure is this ?
Keeled Sternum

What structure is this?
Tibiotarsus

What structure is this?
Carpometacarpus

What is this structure?
Tarsometatarsus
Skull
Head Bone

Vertebrae (may be a single bone or
articulated)
Spine or back bones

Pectoral girdle
Shoulder Joint

Pelvic girdle
Hip joint

Sternum
Tie bone

Rib cage
thoracic cage

Humerus
Upper Arm Bone

Femur
Upper Leg Bone

Radius
Big arm bone near wrist

Ulna
Inner Arm Bone

Tibia
Big Lower leg bone

Fibula
Smaller Lower Leg Bone

Phalanges (Hands)
Second Finger Bones from wrist

Phalanges (feet)
Toe bones

Metacarpals (Hands)
Bones near wrist bones

Carpals
Wrist Bones


Metatarsals
Tarsals
Heel Bones


Class Asteroidea
5 arms, radial symmetry, carnivore (stomach eversion), no circulatory, gas exchange tube feet, diffusion excretion, nerve ring, ossicle endoskeleton, tube feet movement

Class Ophiuroidea
thin flexible arms, scavenger/detritivore, no circulatory, gas exchange bursae, diffusion excretion, nerve ring, ossicles, arm-based locomotion (not tube feet)

Class Echinoidea
spines, round body, herbivore (Aristotleās lantern), no circulatory, gas exchange tube feet, diffusion excretion, nerve ring, fused test skeleton, spine + tube feet movement


Class Holothuroidea
elongated soft body, deposit feeder, no circulatory, gas exchange respiratory tree, diffusion excretion, reduced nervous system, reduced ossicles, slow crawling
