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- Species (65,724)
Taxonomic rank
- Species (43,198)
- Genus (14,019)
- Family (2,986)
- Subspecies (1,257)
- Subfamily (872)
- Subgenus (522)
- Superfamily (503)
- Order (452)
- Tribe (402)
- species aggregate (322)
- breed (233)
- Suborder (176)
- Form (144)
- Class (117)
- Infraorder (69)
- Subclass (69)
- Variety (48)
- species pro parte (44)
- species sensu lato (41)
- species hybrid (39)
- Phylum (38)
- Superorder (25)
- Infraclass (22)
- Cohort (17)
- Subphylum (15)
- Section (13)
- functional group (10)
- parvorder (10)
- Species Group (9)
- supercohort (9)
- Series (7)
- subcohort (7)
- Superclass (6)
- abberation (5)
- generic hybrid (3)
- Subspecies Aggregate (3)
- Division (2)
- genus aggregate (2)
- Subsection (2)
- subspecies hybrid (2)
- Subtribe (2)
- Cultivar (1)
- subterclass (1)
Lifeforms
- Insects (34,915)
- Crustaceans (6,258)
- Worms (5,395)
- Molluscs (3,924)
- Birds (2,165)
- Fishes (1,519)
- Spiders and allies (1,367)
- Mammals (432)
- Myriapods (339)
- Reptiles (81)
- Amphibians (64)
Taxon group
- insect - hymenopteran (10,209)
- insect - true fly (Diptera) (9,331)
- crustacean (6,288)
- insect - beetle (Coleoptera) (6,054)
- insect - moth (4,529)
- mollusc (3,949)
- acarine (Acari) (3,725)
- insect - true bug (Hemiptera) (2,907)
- bird (2,434)
- annelid (2,244)
- roundworm (Nematoda) (1,367)
- bony fish (Actinopterygii) (1,320)
- spider (Araneae) (1,088)
- coelenterate (=cnidarian) (1,086)
- rotifer (741)
- sponge (Porifera) (692)
- trematode (684)
- bryozoan (634)
- springtail (Collembola) (549)
- tapeworm (Cestoda) (471)
- echinoderm (399)
- terrestrial mammal (374)
- insect - caddis fly (Trichoptera) (315)
- flatworm (Turbellaria) (308)
- insect - butterfly (295)
- gastrotrich (282)
- insect - thrips (Thysanoptera) (251)
- tunicate (Urochordata) (237)
- cartilagenous fish (Chondrichthyes) (184)
- millipede (180)
- insect - booklouse (Psocoptera) (172)
- ribbon worm (Nemertea) (166)
- insect - dragonfly (Odonata) (143)
- insect - flea (Siphonaptera) (122)
- insect - orthopteran (118)
- sea spider (Pycnogonida) (112)
- insect - lacewing (Neuroptera) (108)
- centipede (105)
- waterbear (Tardigrada) (99)
- marine mammal (93)
- insect - mayfly (Ephemeroptera) (90)
- reptile (88)
- lampshell (Brachiopoda) (86)
- harvestman (Opiliones) (69)
- insect - stonefly (Plecoptera) (67)
- amphibian (65)
- entoproct (64)
- mud dragon (Kinorhyncha) (59)
- false scorpion (Pseudoscorpiones) (57)
- insect - cockroach (Dictyoptera) (57)
- insect - louse (Phthiraptera) (55)
- peanut worm (Sipuncula) (46)
- arrow worm (Chaetognatha) (42)
- mesozoan (38)
- acorn worm (Hemichordata) (33)
- pauropod (33)
- gnathostomulid (30)
- insect - stylops (Strepsiptera) (28)
- insect - earwig (Dermaptera) (23)
- proturan (22)
- symphylan (22)
- comb jelly (Ctenophora) (21)
- spoon worm (Echiura) (21)
- insect - stick insect (Phasmida) (20)
- unassigned (20)
- hairworm (Nematomorpha) (19)
- jawless fish (Agnatha) (18)
- beardworm (Pogonophora) (17)
- monogenean (17)
- two-tailed bristletail (Diplura) (15)
- priapulid (14)
- insect - bristletail (Archaeognatha) (12)
- insect - snakefly (Raphidioptera) (11)
- thorny-headed worm (Acanthocephala) (10)
- insect - scorpion fly (Mecoptera) (9)
- loriciferan (9)
- insect - silverfish (Thysanura) (8)
- horseshoe worm (Phoronida) (7)
- insect - mantis (Mantodea) (7)
- cycliophoran (6)
- insect - alderfly (Megaloptera) (6)
- insect - web-spinner (Embioptera) (6)
- scorpion (6)
- lancelet (Cephalochordata) (5)
- undetermined (1)
Establishment means
- Native (63,398)
- Non-native (2,326)
Habitat
- terrestrial (46,354)
- marine (18,295)
- freshwater (5,857)
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Acanthella multiformis
Species, Sponge (Porifera), Marine
-
Acanthephyra
Genus, Crustacean, Marine
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Acanthephyra pelagica
Species, Crustacean, Marine
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Acanthephyra purpurea
Species, Crustacean, Marine
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Acanthephyridae
Family, Crustacean, Marine
-
Acanthicolepis
Genus, Annelid, Marine
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Acanthicolepis asperrima
Species, Annelid, Marine
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Acanthinula
Genus, Mollusc, Terrestrial
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Acanthinula aculeata – Prickly Snail
Species, Mollusc, Terrestrial
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Acanthiophilus
Genus, Insect - true fly (Diptera), Terrestrial
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Acanthiophilus helianthi
Species, Insect - true fly (Diptera), Terrestrial
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Acanthis
Genus, Bird
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Acanthis cabaret – Lesser Redpoll
Species, Bird
-
Acanthis flammea – Common Redpoll
Species, Bird
Common (Mealy) Redpoll, deargannan-seilich, deargan-seilich, Llinos Bengoch, Llinosiaid Pengoch
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Acanthis flammea flammea – Mealy Redpoll
Subspecies, Bird
-
Acanthis flammea rostrata – Iceland Redpoll
Subspecies, Bird
Greenland Redpoll, Common Redpoll "Icelandic"
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Acanthis flammea/cabaret – Redpoll (CommonLesser)
Species aggregate, Bird
Redpoll
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Acanthis hornemanni – Arctic Redpoll
Species, Bird
Llinos Bengoch yr Arctig, Llinosiaid Pengoch yr Arctig
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Acanthis hornemanni exilipes – Coues' Redpoll
Subspecies, Bird
-
Acanthis hornemanni hornemanni – Arctic Redpoll
Subspecies, Bird
Hornemann's Redpoll