marine science

phylum porifera

sponges

phylum rotifera

rotifers

phylum bryozoa

bryozoans

phylum cnidaria

animals with stinging cells

class scyphozoa

jellyfish

class cubozoa

box jellies

class anthozoa

sea anemones & coral

class hydrozoa

hydrozoans, hydras & portuguese man-of-war

phylum ctenephora

comb jellies

phylum platyhelminthes

flatworms

class turbellaria

planarians

class trematoda & monogenea

flukes

class cestoda

tapeworms

phylum nemertea

ribbon worms

phylum annelida

segmented worms

class polychaeta

sandworms and tubeworms

class oligochaeta

earthworms

class hirudinea

leeches

phylum nematoda

roundworms

phylum chaetognatha

arrow worms

phylum mollusca

soft bodied animals with or without shells

class bivalvia

clams, mussels, scallops, and oysters

class gastropoda

snails and slugs

class cephalopoda

octopus and squid

class polyplacophora

chitons

class scaphopoda

tusk shells

phylum brachiopoda

brachiopods and lamp shells

phylum onychophora

velvet worms

phylum arthropoda

animals with jointed legs and exoskeletons

subphylum trilobitomorpha

trilobites

subphylum chelicerata

spiders and scorpions

subphylum crustacea

lobsters, crab and shrimp

subphylum uniramia

insects, millipedes and centipedes

phylum echinodermata

spiny-skinned animals

class asteroidea

sea stars

class echinoidea

sea urchins

class ophiuroidea

brittle stars

class crinoidea

crinoids, feather stars and sea lilies

class holothuroidea

sea cucumbers

phylum hemichordata

acorn worms

phylum chordata

animals with dorsal nerve chord, notochord and gill slits

subphylum urochordata

sea squirts and tunicates

subphylum cephalochordata

lancelet

subphylum vertebrata

animals with vertebrae

class agnatha

lamprey and hagfish

class chondrichthyes

sharks & rays

class osteichthyes

Bony fish

class amphibia

Frogs, toads, salamanders, newts & caecilians

class reptilia

lizards, snakes, turtles, crocodiles & dinosaurs

class aves

birds

class mammalia

mammals