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Synonym matches
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- Species (5,857)
Taxonomic rank
- Species (4,252)
- Genus (1,309)
- Subspecies (108)
- Subgenus (77)
- Family (27)
- species hybrid (27)
- species aggregate (22)
- Subfamily (6)
- Species Group (5)
- Form (4)
- Order (3)
- species sensu lato (3)
- Class (2)
- Infraclass (2)
- species pro parte (2)
- Superfamily (2)
- genus aggregate (1)
- Infraorder (1)
- parvorder (1)
- Subclass (1)
- Suborder (1)
- Superorder (1)
Lifeforms
- Insects (3,183)
- Crustaceans (568)
- Worms (383)
- Birds (257)
- Molluscs (186)
- Fishes (136)
- Amphibians (64)
- Reptiles (21)
- Mammals (8)
- Myriapods (8)
- Spiders and allies (4)
Taxon group
- insect - true fly (Diptera) (1,955)
- crustacean (568)
- rotifer (568)
- insect - beetle (Coleoptera) (551)
- acarine (Acari) (306)
- insect - caddis fly (Trichoptera) (280)
- bird (262)
- annelid (188)
- mollusc (186)
- bony fish (Actinopterygii) (133)
- insect - true bug (Hemiptera) (103)
- flatworm (Turbellaria) (98)
- roundworm (Nematoda) (87)
- insect - dragonfly (Odonata) (84)
- insect - mayfly (Ephemeroptera) (76)
- amphibian (65)
- waterbear (Tardigrada) (62)
- insect - stonefly (Plecoptera) (55)
- insect - hymenopteran (54)
- springtail (Collembola) (35)
- reptile (26)
- gastrotrich (20)
- bryozoan (18)
- insect - moth (15)
- coelenterate (=cnidarian) (10)
- sponge (Porifera) (9)
- terrestrial mammal (8)
- hairworm (Nematomorpha) (7)
- insect - lacewing (Neuroptera) (6)
- millipede (6)
- insect - alderfly (Megaloptera) (4)
- spider (Araneae) (4)
- jawless fish (Agnatha) (3)
- ribbon worm (Nemertea) (3)
- centipede (2)
Establishment means
- Native (5,561)
- Non-native (296)
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Adiaphanida
Superorder, Flatworm (Turbellaria), Freshwater, marine, terrestrial
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Adicella
Genus, Insect - caddis fly (Trichoptera), Freshwater, terrestrial
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Adicella filicornis
Species, Insect - caddis fly (Trichoptera), Freshwater, terrestrial
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Adicella reducta
Species, Insect - caddis fly (Trichoptera), Freshwater, terrestrial
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Adineta
Genus, Rotifer, Freshwater, terrestrial
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Adineta barbata
Species, Rotifer, Freshwater
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Adineta gracilis
Species, Rotifer, Freshwater
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Adineta oculata
Species, Rotifer, Freshwater
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Adineta tuberculosa
Species, Rotifer, Freshwater
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Adineta vaga
Species, Rotifer, Freshwater, terrestrial
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Aedes
Genus, Insect - true fly (Diptera), Freshwater, terrestrial
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Aedes
Subgenus, Insect - true fly (Diptera), Freshwater, terrestrial
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Aedes aegypti non-native
Species, Insect - true fly (Diptera), Freshwater, terrestrial
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Aedes albopictus non-native
Species, Insect - true fly (Diptera), Freshwater, terrestrial
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Aedes cinereus
Species, Insect - true fly (Diptera), Freshwater, terrestrial
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Aedes vexans
Species, Insect - true fly (Diptera), Freshwater, terrestrial
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Aeolosoma
Genus, Annelid, Freshwater, terrestrial
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Aeolosoma quaternarium
Species, Annelid, Freshwater, terrestrial
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Aeshna – Aeshna dragonfly
Genus, Insect - dragonfly (Odonata), Freshwater, terrestrial
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Aeshna affinis – Southern Migrant Hawker
Species, Insect - dragonfly (Odonata), Freshwater, terrestrial
Blue-eyed Hawker, Mediterranean Hawker, Gwas Neidr Mudol y De, Gweision Neidr Mudol y De