List of invertebrates of California

Many of these species were described by Hulton Wood and Samuel James. === Class Polychaeta=== ==Arthropoda==

Subphylum Crustacea === Class Branchiopoda === ====Order Anostraca==== =====Family Branchinectidae, fairy shrimp ===== ==== Order Notostraca, tadpole shrimp==== ==== Order Anomopoda water fleas==== === Class Hexanauplia === === Class Malacostraca=== ==== Order Decapoda, decapods ==== ==== Order Isopoda, isopods ==== ==== Suborder Oniscidea, woodlice==== ==== Order Amphipoda, amphiopods ==== === Class Insecta === California has over 30,000 insects in the entire state. ==== Order Coleoptera ==== ===== Family Carabidae, ground beetles ===== ===== Family Cerambycidae, longhorn beetles ===== ===== Family Scarabaeidae, scarabs ===== ==== Order Collembola, springtails==== ==== Order Dermaptera, earwigs==== ==== Order Dictyoptera ==== ==== Order Diptera, flies and mosquitoes ==== ==== Order Embiidina, webspinners and footspinners ==== ==== Order Ephemeroptera ==== ==== Order Grylloblattidae ==== ==== Order Hemiptera ==== ===== Family Macroveliidae ===== ===== Family Pentatomidae ===== ===== Family Saldidae, shorebugs ===== ==== Order Hymenoptera, sawflies, bees, wasps, and ants ==== ==== Order Isoptera, termites ==== ==== Order Lepidoptera, butterfiles and moths ==== ===== Family Hesperiidae, skippers ===== ===== Family Nymphalidae ===== ===== Family Lycaenidae, gossamer-winged butterflies ===== ===== Family Riodinidae, metalmarks ===== ===== Family Sphingidae, hawk moths, sphinx moths ===== ===== Family Papilionidae, hawk moths, sphinx moths ===== ==== Order Mallophaga, bird lice, biting lice==== ==== Order Mecoptera, scorpionflies ==== ==== Order Neuroptera ==== ==== Order Odonata, dragonflies and damselflies ==== ===== Suborder Anisoptera ===== ====== Family Libellulidae ====== ===== Suborder Zygoptera ===== ====== Subfamily Coenagrionoidea ====== ==== Order Orthoptera, grasshoppers, katydids, and crickets ==== ==== Order Phasmida ==== ==== Order Phthiraptera, lice ==== ==== Order Plecoptera, stoneflies ==== ==== Order Protura ==== ==== Order Psocoptera booklice, bark lice==== ==== Order Siphonaptera fleas==== ==== Order Siphunculata ==== ==== Order Strepsiptera ==== ==== Order Trichoptera caddisflies==== ==== Order Thysanoptera thrips==== === Class Arachnida === ====Superorder Acari, ticks and mites==== ====Order Amblypygi, tailless whipscorpions==== ====Order Araneae, spiders==== ====Order Opiliones, harvestmen==== ====Order Palpigradi, micro whipscorpions==== ====Order Pseudoscorpiones, pseudoscorpions==== ====Order Ricinulei, hooded tickspiders==== ====Order Schizomida, shorttailed whipscorpions==== ====Order Scorpiones, scorpions==== ====Order Solifugae, camel spiders==== ====Order Uropygi, whipscorpions==== ===Subclass Myriopoda === ==Brachiopoda==

===Order Stenolaemata Narrow throat bryozoans=== ===Order Terebratulida=== ==Bryozoa==

=== Class Gymnolaemata === === Class Phylactolaemata freshwater bryozoans=== === Class Stenolaemata === ==Chaetognatha==

Subphylum Urochordata === Class Ascidiacea === ==== Order Enterogona ==== ==== Order Stolidobranchia ==== ==== Order Phlebobranchia ==== === Class Thaliacea === ==Cnidaria==

=== Class Scyphozoa, true jellyfish === === Class Hydrozoa === === Class Anthozoa, sea anemones and corals === ==== Order Actiniaria ==== ==== Order Pennatulacea ==== ==Ctenophora==

=== Class Tentaculata tentaculate comb jellies=== === Class Nuda === ==Cycliophora==

=== Class Asteroidea, sea stars=== === Class Ophiuroidea, brittle stars=== === Class Echinoidea, sea urchins and sand dollars=== ==Echiura==

=== Order Chaetonotida === === Order Macrodasyida === ==Gnathostomulida==

===Order Nanaloricida=== ==Micrognathozoa==

=== Class Bivalvia, bivalves === ==== Order Mytilida ==== ==== Order Ostreida ==== ==== Order Venerida ==== ==== Order Myida ==== === Class Gastropoda, gastropods=== ==== Order Archaeogastropoda ==== ==== Order Pulmonata ==== ==== Order Stylommatophora ==== ==== Order Nudibranchia ==== ==== Order Neotaenioglossa ==== ==== Order Neogastropoda ==== ==== Order Trochida ==== ==== Order Littorinimorpha ==== ==== Superfamily Aplysioidea ==== ==== Order Cephalaspidea, shieldheaded slugs ==== ==== Superfamily Cerithioidea ==== === Class Cephalopoda, cephalopods === ==== Subclass Coleoidea ==== ===== Order Octopoda ===== ==== Order Myopsida ==== === Class Polyplacophora === ==Mesozoa==

=== Class Anopla === === Class Enopla === === Class Hoplonemertea === === Class Palaeonemertea === === Class Pilidiophora === ==Onychophora==

=== Class Cestoda === === Class Turbellaria === ==Pogonophora==

=== Class Demospongiae === === Subclass Tetractinomorpha === ==== Order Astrophorida ==== ==== Order Hadromerida ==== ==== Order Spirophorida ==== === Subclass Ceractinomorpha, demosponges === ==== Order Poecilosclerida ==== ==== Suborder Myxillina ==== ==Priapulida==

=== Class Heterotardigrada=== ==Xenacoelomorpha==