Bio 1A: Phyla Classes And Names

Front 1

Chordata

Back 1

Notochord, gill slits, dorsal hollow nerve cord, post anal tail. All vertebrates.

Front 2

Porifera

Back 2

Lack true tissues, asymmetrical

Front 3

Cnidaria

Back 3

Possess true tissues but lack true organs. Gastrovascular cavity. Stinging cells called cnidocytes with organelles called nematocysts. Radial symmetry.

Front 4

Anthozoa

Back 4

Corals and anemones

Front 5

Hydrazoa

Back 5

Hydras and some corals

Front 6

Cubuzoa

Back 6

Box jellyfish and sea wasps

Front 7

Scyphozoa

Back 7

Jellyfish and sea nettles

Front 8

Radiata

Back 8

Radial symmetry and 2 germ layers

Front 9

Eumetazoa

Back 9

True tissues

Front 10

Bilateria

Back 10

Bilateral symmetry and 3 germ layers

Front 11

Echinodermata

Back 11

Radial symmetry as adults, water vascular system, radial symmetry as adults

Front 12

Protostomi

Back 12

During gastrulation mouth forms first, includes Nematoda, Athropoda, Platyhelminthes, Mollusca, and Annellida

Front 13

Deuterostomi

Back 13

During gastrulation anus forms, includes Echinodermata and Chordata

Front 14

Asteroidea

Back 14

Starfish

Front 15

Echinoidea

Back 15

Sea urchins

Front 16

Holothuroidea

Back 16

Sea cucumbers

Front 17

Ophiuroidea

Back 17

Brittle stars

Front 18

Crinoidea

Back 18

Sea lily and feather stars

Front 19

Platyhelminthes

Back 19

Flatworms

Front 20

Turbellaria

Back 20

Free living flat worms

Front 21

Trematoda

Back 21

Flukes

Front 22

Cestoda

Back 22

Tapeworms

Front 23

Annelida

Back 23

Segmented worms

Front 24

Polychaetes

Back 24

Segmented bristleworms

Front 25

Oligochaetes

Back 25

Earthworms

Front 26

Hirudinea

Back 26

Leeches

Front 27

Lophotrochozoa

Back 27

Ring of cilia and larval stage, includes Platyhelminthes, Mollusca, and Annelida

Front 28

Mollusca

Back 28

Have a mantle, foot, radula, ctenidium, and a shell

Front 29

Gastropoda

Back 29

Snails and slugs

Front 30

Bivalvia

Back 30

Clams, etc.

Front 31

Cephalopoda

Back 31

Octopuses, squids, and nautiluses

Front 32

Polyplacophora

Back 32

Chitons

Front 33

Ecdysozoa

Back 33

Shed exoskeleton, includes nematode and arthropoda

Front 34

Nematoda

Back 34

Round worm

Front 35

Arthropoda

Back 35

Bilaterally symmetric, segmented animals with jointed appendages attached to each body segment

Front 36

Trilobitomorpha

Back 36

Trilobites

Front 37

Arachnida

Back 37

Spiders and scorpions

Front 38

Xiphosura

Back 38

Horseshoe crabs

Front 39

Chelcerata

Back 39

Specialized mouth parts replace mandibles, includes Arachnids and Xiphosura

Front 40

Mandibulata

Back 40

Mandibles are mouthparts

Front 41

Chilopoda

Back 41

Centipedes

Front 42

Diplopoda

Back 42

Millipedes

Front 43

Myriapoda

Back 43

Centipedes and Millipedes

Front 44

Pancrustacea

Back 44

Crustaceans and Insects

Front 45

Hexapoda

Back 45

Insects

Front 46

Crustacea

Back 46

Crabs, lobsters, shrimpies, etc.