PHYLUM CNIDARIA

[cnidarians]

Carniverous, aquatic, 2 layers of true tissues

EX: Jellyfish, Coral Reef

PHYLUM PORFIERA

[sponges]

choanocytes: specialized cells that use flagella to move around

EX: Vens' Flower Basket, Bath Sponge, Tube Sponge

CLASS HYDROZOA

phylum cnidaria

[NONE]

Spend most of their time as polyps

EX: Hydra, Portuguese Man-of-War

CLASS SCYPHONZOA

phylum cnidaria

[NONE]

Spend most fo their time as medusas

EX: Moon Jelly, Sea Wasp

CLASS ANTHOZOA

phylum cnidaria

[NONE]

Colonial or solitary polyps

EX: Reef Coral, Sea anenome

PHYLUM PLATYHELMINTHES

[flatworms]

3 layers of tissue, bilateral symmetry

EX: Planarians, Liverfluke

CLASS TURBELLARIA

phylum platyhelminthes

[turbellarians]

Free-living carnivores and scavengers

EX: Planarians

CLASS TREMATODA

phylum platyhelminthes

[flukes]

Parasites, usually lie in more than one host during a lifetime

EX: Liver Fluke

CLASS CESTODA

phylum platyhelminthes

[tapeworms]

Internal parasites, made up of proglottids

EX: Tapeworm

PHYLUM NEMATODA

[roundworms]

Unsegmented, 2 openings in digestive system

EX: Hookworms, Trichinella

PHYLUM ANNELIDA

[segmented worms]

Segmented worms

EX: Feather-duster worm

CLASS POLYCHAETA

phylum annelida

[polychaetes]

Live in salt water, pairs of appendages

EX:Fanworm, Sandworm

CLASS OLIGOCHAETA

phylum annelida

[oligochaetes]

Lack appendages, live in soil

EX: Tubites

CLASS HIRUNDINEA

phylum annelida

[leeches]

No appendages, lie in soil/fresh water

EX: Hirudo Medicinalis

PHYLUM MOLLUSCA

[mollusks]

Soft-bodied; Hard, calcified shell

EX: Oyster, Sea Butterfly

CLASS BIVALVIA

phylum mollusca

[bivalves]

Two-part hinged shell; web-shaped foot

EX: Clam, Oyster, Scallop

CLASS GASTROPODA

phylum mollusca

[gastropods]

Broad, muscular foot, Spiral shell, Head

EX: Sea hard, Sea Butterfly, Snail, Slug

CLASS CEPHALOPODA

phylum mollusca

[cephalopods]

Head is attatched to a single foot, live in salt water

EX: Octopus, Squid, Cuttlefish

PHYLUM ARTHROPODA

[anthropods]

Exoskeleton of chitin, joints, segmented body

EX: Scorpion, Crayfish

CLASS TRILOBITA

phylum arthropoda

[trilobites]

Two furrous running from head to tail

EX: NONE

CLASS CHELICERATA

phylum arthropoda

[chelicerates]

First pari of appendages are specialized

EX: Mite, Tick, Crab, Spider

SUBPHYLUM CRUSTACEA

phylum arthropoda

[crustaceans]

Most aquatic, Live in salt water

EX: Crab, Crayfish, Pill bug

SUBPHYLUM UNIRAMIA

phylum arthropoda

[NONE]

Terrestrial, one antannae, Mandibles

EX: NONE

CLASS CHILOPODA

phylum arthropoda

subphylum uniramia

[centipedes]

Long body, many segments, poison claws, carnivores

EX: None

CLASS DIPLOPODA

phylum arthropoda

subphylum uniramia

[millipedes]

Long body, Many segments, Herbivore

EX:NONE

CLASS INSECTA

phylum arthropoda

subphylum uniramia

[insects]

Body has 3 parts, 3 pars of legs, two wings

EX:Fly, Moth, Grasshopper

PHYLUM ECHINODERMATA

[echnoderms]

Lilve in salt water, Radial symmetry

EX: NONE

CLASS CRINOIDEA

phylum echnodermata

[crinoidea]

Fliter feeders, Feathery arms, Anus on top

EX: Sealily, Feather Star

CLASS ASTEROIDEA

phylum echinodermata

[sea star]

Star-shaped carnivore, Bottom dweller

EX: Seastar, Sun Star

CLASS OPHIUROIDEA

phylum echinodermata

[NONE]

Small body disk, long arms, 5 arms

EX: Brittle Star, Basketstar

CLASS ECHINOIDEA

phylum echinodermata

[NONE]

No arms, bo-like covering, spines

EX: Sea urchin, Sand dollar

CLASS HOLOTHUROIDEA

phylum echinodermata

[sea cucumber]

Cylindrical body, feeding tentacles

EX: NONE