Biology classifications

phylum porifera

sponges (having pores), kingdom animalia

phylum cnidaria

(nettle-related because they sting), jellyfish, hydras, corals; polyp and medusa form

phylum platyhelminthes

flat worms (plat=flat like platypus), ex: planarians, flukes, tapeworms

phylum nematoda

roundworms (nemat = thread), complete digestive tract

phylum annelida

segmented worms (“little rings”), ex: earthworm

phylum mollusca classes

bivalvia: two shelled, gastropoda: stomach-footed, cephalopoda: head-footed

phylum echinodermata

spiny skinned, ex: starfish, sea urchin, sand dollar, etc.

arthropoda subphyla

crustacea & chelicerta (crabs, arachnids)

phylum chordata

vertabrates