Zoology: Invertebrates
- Abalone
- Acorn Worm
- Ailanthus Moth
- Alderfly
- Alfalfa Caterpillar
- Ammonite
- Annelida
- Anopheles
- Ant
- Aphid
- Apple Maggot
- Apple Worm
- Arachnid
- Argonaut, In Zoology
- Armyworm
- Arrowworm
- Arthropoda
- Aschelminths
- Assassin Bug
- Backswimmer
- Bagworm
- Barnacle
- Bean Beetle
- Bean Weevil
- Bêche-De-Mer
- Bedbug
- Bee
- Bee Fly
- Bee Moth
- Beetle
- Bivalve
- Black Fly
- Black Widow
- Blister Beetle
- Bloodworm
- Blowfly
- Bluebottle Fly
- Boll Weevil
- Bollworm
- Bookworm
- Borer
- Botfly
- Brachiopoda
- Brine Shrimp
- Brittlestar
- Brown Recluse Spider
- Browntail Moth
- Bryozoa
- Bug, In Zoology
- Bumblebee
- Butterfly
- Cabbage Looper
- Caddis Fly
- Cankerworm
- Cantharides
- Carpet Beetle
- Caterpillar
- Centipede
- Cephalopod
- Cestode
- Chaetognatha
- Chambered Nautilus
- Chelicerata
- Chigger
- Chigoe
- Chinch Bug
- Chiton
- Chrysalis
- Cicada
- Clam
- Clam Shrimp
- Clamworm
- Click Beetle
- Clothes Moth
- Cnidaria
- Cockchafer
- Cockle
- Cockroach
- Coconut Crab
- Cocoon
- Codling Moth
- Coelenterata
- Colorado Potato Beetle
- Comb Jelly
- Conch
- Copepod
- Coral
- Corn Borer
- Corn Earworm
- Cowrie
- Crab
- Crane Fly
- Crawfish
- Crayfish
- Cricket, In Zoology
- Crinoidea
- Croton Bug
- Crustacean
- Ctenophora
- Curculio
- Cuttlefish
- Cutworm
- Daddy Longlegs
- Damselfly
- Decapod
- Deerfly
- Devil's Coach Horse
- Devil's Darning Needle
- Diving Beetle
- Dobsonfly
- Dragonfly
- Drosophila
- Dung Beetle
- Dust Mite
- Earthworm
- Earwig
- Echinodermata
- Ectoprocta
- Electric-Light Bug
- Entoprocta
- Eumetazoa
- European Corn Borer
- Eye Fly
- Fairy Shrimp
- Feather Star
- Fiddler Crab
- Firebrat
- Firefly
- Flatworm
- Flea
- Fluke
- Fly, In Zoology
- Froghopper
- Fruit Fly
- Gadfly
- Gall Fly
- Gastropod
- Gastrotricha
- Geoduck
- Giant African Land Snail
- Giant Clam
- Glowworm
- Gnat
- Gnathustomulida
- Graptolite
- Grasshopper
- Greater Wax Moth
- Greenbottle Fly
- Greenfly
- Grub
- Guinea Worm
- Gypsy Moth
- Hairfly
- Hairworm
- Harvest Fly
- Harvestman
- Hellgrammite
- Hemichordata
- Hermit Crab
- Hessian Fly
- Honeybee
- Honeycomb Moth
- Hornet
- Horsefly
- Horsehair Worm
- Horseshoe Crab
- Housefly
- Hydra, In Zoology
- Ichneumon Fly
- Inchworm
- Insect
- Invertebrate
- Isopod
- Japanese Beetle
- Jellyfish
- Jigger
- Jingle Shell
- June Beetle
- June Bug
- Katydid
- King Crab
- Kinorhyncha
- Kissing Bug
- Krill
- Ladybird Beetle
- Ladybug
- Lamp Shell
- Larva, In Zoology
- Leaf Insect
- Leafhopper
- Leech
- Lesser Wax Moth
- Lice
- Lightning Bug
- Limpet
- Liver Fluke
- Lobster
- Locust, In Zoology
- Looper
- Loricifera
- Louse
- Lugworm
- Maggot
- Mantid
- Mantis
- Mantis Shrimp
- May Beetle
- Mayfly
- Mealybug
- Measuring Worm
- Mediterranean Fruit Fly
- Medusa, In Zoology
- Mezozoa
- Midge
- Millipede
- Mite
- Mollusca
- Mollusk
- Mosquito
- Moss Animal
- Moth
- Mule Killer
- Mussel
- Mysid Shrimp
- Naiad
- Nautilus, In Zoology
- Nematoda
- Nematode
- Nematomorpha
- Nemertinea
- Night Crawler
- No-See-Um
- Nudibranch
- Nymph, In Zoology
- Octopus
- Oil Beetle
- Onychophora
- Oyster
- Paper Nautilus
- Parazoa
- Pecten
- Pelecypoda
- Pentastomida
- Periwinkle, In Zoology
- Phoronida
- Phylloxera
- Pink Bollworm
- Pinworm
- Planarian
- Plant Louse
- Platyhelminthes
- Polyp And Medusa
- Porifera
- Portuguese Man-Of-War
- Potato Beetle
- Prawn
- Praying Mantis
- Priapulida
- Pseudocoelomate
- Punkie
- Pupa
- Purple Sail
- Quahog
- Red Bug
- Red Spider
- Ribbon Worm
- Roach
- Rock Crawler
- Rotifera
- Roundworm
- Salmon Fly
- San Jose Scale
- Sand Dollar
- Sand Fly
- Sand Worm
- Sawfly
- Scale Insect
- Scallop
- Scaphopod
- Scarab Beetle
- Scorpion
- Screwworm
- Sea Anemone
- Sea Cucumber
- Sea Fan
- Sea Gooseberry
- Sea Lily
- Sea Mouse
- Sea Nettle
- Sea Pansy
- Sea Pen
- Sea Slug
- Sea Spider
- Sea Star
- Sea Urchin
- Sea Walnut
- Sea Whip
- Serpent Star
- Seventeen-Year Locust
- Shad Fly
- Shellfish
- Shipworm
- Shrimp
- Silkworm
- Silverfish
- Skipper
- Slug
- Snail
- Snout Beetle
- Spanish Fly
- Spanworm
- Spider
- Spittlebug
- Sponge
- Spotted Lanternfly
- Springtail
- Squash Bug
- Squid
- Starfish
- Stick Insect
- Stink Bug
- Stonefly
- Tachinid Fly
- Tadpole Shrimp
- Tarantula
- Tent Caterpillar
- Teredo
- Termite
- Thrips
- Tick
- Tooth Shell
- Trapdoor Spider
- Treehopper
- Trematode
- Trepang
- Trichina
- Trilobite
- Tsetse Fly
- Tumblebug
- Turbellarian
- Univalve
- Venus's Flower-Basket
- Venus's Girdle
- Violin Spider
- Walking Stick
- Warble Fly
- Wasp
- Water Beetle
- Water Boatman
- Water Bug
- Water Flea
- Water Scavenger
- Water Skater
- Water Strider
- Wax Moth, Greater
- Weevil
- Wheat Fly
- Wheel Bug
- Whelk
- Whirligig Beetle
- White Ant
- Wireworm
- Wood Louse
- Worm
- Yellow Jacket
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