List of Illinois Taxa (and numbers of species)
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Kingdom Monera (112+ species)
Division Schizophyta: bacteria (number of species unknown)
Division Cyanophyta: blue-green algae (112 species)
Kingdom Protista (1,406+ species)
Division Protozoa: (number of species unknown)
Division Euglenophyta: euglenoids (30 species)
Division Chrysophyta: diatoms and golden brown algae (440 species)
Division Pyrrophyta: fire algae (20 species)
Division Chlorophyta: green algae (507 species)
Division Phaeophyta: brown algae (0 species)
Division Rhodophyta: red algae (5 species)
Division Myxomycota: plasmodial slime molds (400 species)
Division Acrasiomycota: cellular slime molds (2 or 3 species)
Division Plasmodiophoromycota: (1 species)
Kingdom Fungi (~ 20,000 species)
Division Chytridiomycota: chytrids (~ 300 species)
Division Oomycota: water molds (~ 300 species)
Division Zygomycota: bread molds (~ 400 species)
Division Ascomycota: sac fungi (~ 9,000 species including 500 species of lichens)
Division Basidiomycota: club fungi (~ 5,000 species)
Division Deuteromycota: fungi imperfecti (~ 5,000 species)
Kingdom Plantae (2,574 species)
Division Bryophyta
Class Anthocerota: hornworts (3 species)
Class Hepaticae: liverworts (118 species)
Class Musci: mosses (385 species including 2 extirpated species)
Division Lycodiophyta: club mosses, quillworts, and spike mosses (12 species including 3 endangered species of clubmosses and 1 extirpated species of quillwort)
Division Equisetophyta: horsetails (12 species including 3 endangered and 1 extirpated species)
Division Filicophyta: ferns (75 species including 11 endangered, 3 threatened, and 2 extirpated species)
Division Coniferophyta: conifers (14 species, including 4 endangered and 3 threatened species)
Division Anthophyta: monocots and dicots (1,955 species including 275 endangered, 54 threatened, 53 extirpated, 1 extinct, and 1 extirpated but reintroduced species)
Kingdom Animalia (29,662+ species)
Phylum Porifera: sponges (14 species)
Phylum Cnidaria: polyps and jellyfish
Class Hydrozoa: hydra and freshwater jellyfish (10 species of hydra and 1 species of freshwater jellyfish)
Phylum Platyhelminthes: flatworms (400 species)
Phylum Nemertea: ribbon worms (1 species)
Phylum Nematoda: nematodes (number of species unknown)
Phylum Nematomorpha: horsehair worms (2 species)
Phylum Acanthocephala: spiny-headed worms (27 species including 1 species found in the endangered greater prairie-chicken)
Phylum Gastrotricha (60 species)
Phylum Rotifera: rotifers (150Ð175 species)
Phylum Entoprocta (1 species)
Phylum Annelida: segmented worms
Class Aphanoneura: suction-feeding worms(3 species)
Class Branchiobdellae: crayfish worms (9 species)
Class Oligochaeta: "earthworms" (43 terrestrial, 83 aquatic species)
Class Hirudinea: leeches (32 species)
Phylum Arthropoda
Class Chelicerata (10,598+ species)
Subclass Arachnida
Order Scorpiones: scorpions (1 species)
Order Araneae: spiders (530 species)
Order Pseudoscorpionida: pseudoscorpions (28 species)
Order Opiliones: daddy long-legs (19 species)
Order Acari: mites and ticks (20 species of ticks and ~10,000 species of mites)
Class Myriapoda (74 species)
Subclass Diplopoda: millipedes (29 species)
Subclass Pauropoda: pauropods (5 species)
Subclass Chilopoda: centipedes (37 species)
Subclass Symphyla: symphylans (3 species)
Class Insecta (~17,000 species)
Subclass Myrientomata
Order Proturans: proturans (6 species)
Subclass Oligoentomata
Order Collembola: springtails (73 species)
Subclass Diplurata
Order Diplura: diplurans (6-Ð10 species)
Subclass Zygoentomata
Order Thysanura: silverfish (6+ species)
Subclass Pterygota
Order Ephemeroptera: mayflies (126 species)
Order Odonata: dragonflies (98 species) and damselflies (44 species)
Order Blattodea: cockroaches (9 species)
Order Mantodea: mantids (1 species)
Order Isoptera: termites (5 species)
Order Plecoptera: stoneflies (57 species)
Order Orthoptera: grasshoppers, crickets, and katydids (157 species)
Order Dermaptera: earwigs (3 species)
Order Phasmida: walking sticks (5 species)
Order Zoraptera: zorapterans (1 species)
Order Psocoptera: book and bark lice (91 species)
Order Hemiptera: true bugs (910 species)
Order Thysanoptera: thrips (200 species)
Order Anoplura: sucking lice (18 native and 19 nonnative [from domestic animals and man] species)
Order Mallophaga: biting lice (280 species including 1 extinct species that occurred on the passenger pigeon)
Order Homoptera: plant bugs (1,485 species)
Order Strepsiptera: twisted-wing insects (15Ð20 species)
Order Coleoptera: beetles (5,000 species)
Order Neuroptera: lacewings, antlions, alderflies (45 species including 1 extirpated species)
Order Hymenoptera: bees, ants, wasps (2,000+ species)
Order Mecoptera: scorpionflies (18 species)
Order Siphonaptera: fleas (33 species including 1 species that occurs on the endangered Eastern wood rat)
Order Diptera: true flies, mosquitoes, and gnats (4,100 species)
Order Trichoptera: caddisflies (184 species)
Order Lepidoptera: butterflies and moths (2,000 species including 1 endangered, 2 threatened, and 5 extirpated species)
Subphylum Crustacea
Class Branchiopoda (52 species)
Order Anostraca: fairy shrimp (4 species)
Order Cladocera: water fleas (~43 species)
Order Conchostraca: clam shrimp (5 species)
Class Maxillopoda (84 species)
Subclass Ostracoda: seed shrimp (53 species)
Subclass Copepoda (21 species)
Subclass Branchiura: fish lice (10 species)
Class Malacostraca (71 species)
Order Decapoda: crayfish (23 species including 4 endangered and 2 extirpated species)
Order Isopoda: pillbugs (28 species including 1 endangered species)
Order Amphipoda: scuds (19 species including 5 endangered and 1 threatened species)
Order Musida: opossum shrimp (1 species)
Phylum Pentastomida: tongue worms (no species found in native fauna)
Phylum Tardigrada: water bears (13 species)
Phylum Mollusca
Class Gastropoda: snails (170 species including 1 endangered species)
Class Bivalvia: mussels and clams (104 species including 29 endangered, 4 threatened, 16 extirpated, and 4 extinct species)
Phylum Ectoprocta (9 species)
Phylum Chordata
Subphylum Vertebrata
Class Cephalaspidomorphi: lampreys and jawless fish (6 species including 1 endangered and 1 threatened species)
Class Osteichthyes: boney fishes (181 species including 12 endangered, 14 threatened, and 12 extirpated species)
Class Amphibia: amphibians (41 species: 3 endangered, 2 threatened)
Class Reptilia: reptiles (60 species: 6 endangered, 7 threatened, 1 presumed extirpated)
Class Aves: birds (403 species: 204 confirmed breeding, 151 migrant/vagrants, 48 very rare vagrants including 33 endangered, 9 threatened, 5 watch list, 9 extirpated (3 re-introduced), and 2 extinct species)
Class Mammalia: mammals (68 species: 6 endangered, 3 threatened, 9 extirpated (2 re-introduced), 2 introduced)
Total number of species: 53,754+
Total number of extirpated species: 114
Total number of threatened and endangered species: 503
This list is based on the April 1991 Symposium Proceedings: Our Living Heritage
Appendix One: Native Illinois Species and Related Bibliography
Susan L. Post
INHS Reprint Series No. R1174
You may also use the INHS Species Manual to find additional information on some Illinois species.
Please report any problems with or suggestions about this page to:
cmayer@mail.inhs.uiuc.edu
Subject: INHSPUB-2063
Last Modified 3/3/97