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ANIMALS WITHOUT BACKBONES
The Sponges Phylum porifera
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abdomen adult albatross animals antennae appendages arthropods ashore barnacles beetles birds bivalves blood body breeding Buchsbaum burrows bush butterflies cavity cells centipedes chordates colony colour common Cook Strait crabs crayfish creatures dolphin dorsal fin earthworms echinoderms eggs enlarged eyes Family female fish flea flies fluke Foveaux Strait freshwater FURTHER READING gastropod genus gills glands harvestmen head hind horny hydroids inches long includes insects Invertebrates isopods jaws known larvae legs live lizards male mammals millipedes mites molluscs mollymawk moths mouth native nest North North Island numbers Order organs pairs penguins Phylum plates prey relatives reptiles rock rotifers round sand sea cucumbers sea stars seals segments shag shark shell sometimes South Island species sperm spiders sponges stage Stewart Island Sub-order Subclass surface swimming tail teeth tentacles tiny Trans Tuatara tube feet urchins vertebrates Wellington wetas whale wings worms Zealand