Taxonomy summary
Only current list
Excluding species
Eukaryota
>
Metazoa
Order
Family
Genus
Species
Acanthobdellida
0
2
4
Acanthuriformes
3
8
115
Accipitriformes
4
82
287
Acerentomata
3
20
52
Acipenseriformes
2
6
66
Acochlidiacea
9
15
138
Acoela
18
71
569
Acropomatiformes
17
43
264
Actiniaria
47
164
721
Actinulida
2
2
37
Adapedonta
4
13
87
Adinetida
1
2
91
Afrosoricida
2
21
62
Agelasida
3
10
204
Albuliformes
1
2
32
Alepocephaliformes
3
26
88
Alluroidida
1
1
3
Amblypygi
4
15
124
Amiiformes
1
1
3
Amphidiscosida
3
11
43
Amphilepidida
16
259
1630
Amphilinidea
2
4
5
Amphioxiformes
1
4
28
Amphipoda
204
784
8616
Anabantiformes
8
27
416
Anaspidacea
4
6
24
Anguilliformes
20
114
1114
Anostraca
7
21
283
Anseriformes
3
59
225
Anthoathecata
61
138
1267
Antipatharia
7
50
517
Anura
54
529
13194
Aphragmophora
3
15
73
Aplousobranchia
9
26
374
Aplysiida
2
10
107
Apochela
1
3
261
Apodida
3
18
97
Apodiformes
2
138
476
Aporidea
1
2
12
Apterygiformes
1
1
7
Araeolaimida
5
26
353
Araneae
127
2870
23114
Arbacioida
1
5
15
Archaeognatha
2
27
182
Archinemertea
2
3
127
Architaenioglossa
10
94
987
Arcoida
6
40
238
Argentiniformes
4
20
80
Arguloida
1
3
39
Arhynchobdellida
0
0
8
Arthrotardigrada
7
26
55
Artiodactyla
23
153
675
Aspidochirotida
3
23
291
Aspidodiadematoida
1
2
5
Aspidosiphonidormes
1
3
38
Ateleopodiformes
1
3
12
Atheriniformes
10
48
531
Aulocalycoida
0
0
0
Aulopiformes
15
46
483
Axinellida
4
35
265
Azygiida
14
97
510
Baerida
3
5
10
Balanomorpha
13
108
831
Bathynellacea
2
43
467
Batrachoidiformes
1
21
68
Bdellonemertea
1
1
5
Beloniformes
5
33
461
Beroida
1
1
20
Beryciformes
8
24
183
Biemnida
2
4
32
Bivalvulida
16
46
1354
Blattodea
20
606
5195
Blenniiformes
7
155
1255
Bothriocephalidea
4
32
159
Bourgueticrinida
6
6
21
Brachypoda
1
2
10
Branchiobdellida
3
17
69
Brisingida
5
15
96
Bubarida
3
22
111
Bucerotiformes
5
20
72
Bursovaginoidea
7
12
22
Calanoida
43
204
2013
Calanticomorpha
1
4
23
Callipodida
7
5
21
Camarodonta
8
27
150
Capilloventrida
1
1
7
Caprimulgiformes
6
27
115
Caproiformes
1
2
18
Capsalidea
2
28
160
Carangiformes
5
46
345
Carcharhiniformes
9
50
437
Cardiida
8
107
456
Carditida
4
22
61
Cariamiformes
1
2
2
Carinomiformes
2
2
48
Carnivora
15
138
428
Carybdeida
5
10
47
Caryophyllidea
5
36
145
Cassiduloida
2
4
4
Casuariiformes
2
2
7
Cathetocephalidea
1
2
4
Caudata
10
73
1115
Cavibelonia
7
17
114
Centrarchiformes
16
77
346
Cephalaspidea
17
72
472
Cephalobaenida
1
0
0
Cephalodiscida
1
2
20
Ceratodontiformes
3
3
15
Cestida
1
2
4
Chaetodermatida
2
7
53
Chaetodontiformes
2
22
271
Chaetonotida
6
26
238
Characiformes
28
278
3637
Charadriiformes
15
97
397
Cheilostomatida
92
261
1023
Chimaericolidea
1
1
1
Chimaeriformes
3
6
79
Chirodropida
3
5
19
Chiroptera
21
226
2345
Chitonida
14
69
331
Chondrillida
2
5
57
Chondrosiida
0
0
2
Chordeumatida
47
41
130
Chordodea
2
7
52
Chromadorida
8
55
611
Cichliformes
2
258
3872
Ciconiiformes
2
8
71
Cidaroida
4
22
101
Cingulata
2
12
35
Clathrinida
9
26
241
Clionaida
4
11
173
Clupeiformes
6
77
836
Clypeasteroida
10
23
86
Coelacanthiformes
1
1
2
Coleoptera
197
13580
83249
Coliiformes
1
2
6
Collothecaceae
2
2
4
Columbiformes
2
53
365
Comatulida
22
102
330
Copelata
3
10
61
Coraciiformes
7
35
187
Corallimorpharia
3
9
96
Coronatae
6
8
58
Craniida
1
3
77
Crassiclitellata
16
180
3439
Craterostigmomorpha
1
1
3
Crocodylia
3
10
43
Cryptophialida
1
1
5
Ctenostomatida
23
31
130
Cuculiformes
5
35
154
Cumacea
8
39
244
Cycloneritida
6
35
334
Cyclophyllidea
15
165
996
Cyclopoida
33
79
1035
Cyclostomatida
14
27
60
Cydippida
10
13
83
Cypriniformes
22
484
7421
Cyprinodontiformes
14
142
1834
Cyrtocrinida
6
5
5
Dactylogyridea
11
238
1429
Dasyuromorphia
3
19
99
Decapoda
199
1786
15462
Dendroceratida
2
9
63
Dendrochirotida
11
64
222
Dendrogastrida
1
2
12
Dentaliida
7
10
38
Dermaptera
12
81
348
Dermoptera
1
2
3
Desmacellida
1
1
10
Desmodorida
7
58
595
Desmoscolecida
4
5
129
Diadematoida
1
5
49
Dicellurata
4
14
81
Diclybothriidea
3
14
23
Dictyoceratida
5
37
642
Didelphimorphia
1
18
177
Dinornithiformes
2
6
15
Dioctophymatida
2
4
131
Diphyllidea
1
5
45
Diphyllobothriidea
1
14
170
Diplostomida
8
83
1089
Diplostraca
21
91
2041
Diprotodontia
10
44
193
Diptera
163
5641
265011
Dolichomicrostomida
2
16
48
Doliolida
2
4
11
Dorylaimida
18
112
1142
Echiniscoidea
3
24
337
Echinorhiniformes
1
1
6
Echinorhynchida
8
27
161
Echinothurioida
3
7
86
Echiuroidea
3
19
106
Elasipodida
5
20
117
Ellobiida
3
27
172
Elopiformes
2
2
16
Embioptera
12
32
134
Enchytraeida
2
27
985
Enoplida
18
84
1174
Entomobryomorpha
9
118
10548
Eosentomata
2
4
20
Ephemeroptera
35
310
5015
Ephippiformes
2
8
20
Esociformes
2
4
24
Eulipotyphla
5
62
749
Eunicida
9
80
978
Euonychophora
2
36
451
Euphausiacea
2
11
138
Euryalida
4
53
190
Eurypygiformes
2
2
2
Falconiformes
1
12
72
Fecampiida
5
7
19
Filospermoidea
1
1
8
Flabelligerida
0
0
5
Flosculariaceae
6
16
75
Forcipulatida
7
57
193
Gadiformes
12
73
691
Gadilida
4
6
20
Galaxiiformes
1
8
80
Galeommatida
3
57
293
Galliformes
5
87
333
Gastrochaenida
1
7
17
Gaviiformes
1
1
6
Gelyelloida
0
0
2
Geophilomorpha
12
48
252
Gerreiformes
1
8
146
Gigantorhynchida
1
3
8
Glomerida
4
26
124
Glomeridesmida
1
1
6
Gobiiformes
10
290
3042
Golfingiida
4
10
102
Gonorynchiformes
3
7
95
Gordea
1
3
90
Gruiformes
6
57
172
Grylloblattodea
1
7
174
Gymnophiona
10
34
273
Gymnotiformes
5
33
433
Gyracanthocephala
1
2
69
Gyrocotylidea
1
1
12
Gyrodactylidea
7
34
753
Halocyprida
2
54
190
Haplobothriidea
1
1
1
Haplosclerida
5
28
1160
Haplotaxida
1
4
1176
Harpacticoida
59
204
1174
Hemiptera
173
8649
44652
Heterodontiformes
1
1
12
Heteronemertea
6
45
837
Hexactinosida
1
2
4
Hexamerocerata
0
0
0
Hexanchiformes
2
4
8
Hiodontiformes
1
1
2
Hirudinida
13
87
1004
Hoilungea
2
2
4
Holasteroida
5
13
23
Holectypoida
0
0
0
Holocentriformes
1
7
103
Holothyrida
3
4
14
Homosclerophorida
2
10
200
Hymenoptera
131
5598
180274
Hyocrinida
1
12
24
Hyracoidea
1
3
8
Iblomorpha
2
1
2
Ingolfiellida
2
1
1
Isocrinida
4
8
26
Isolaimida
1
1
5
Isopoda
110
692
6225
Istiophoriformes
2
6
26
Ixodida
3
30
1060
Julida
17
53
476
Kentrorhagata
3
7
21
Kurtiformes
2
40
609
Labriformes
2
86
1038
Lagomorpha
2
13
234
Lamniformes
8
10
24
Lampriformes
6
11
45
Laurida
3
4
6
Lecanicephalidea
8
20
82
Lepetellida
8
44
725
Lepidogalaxiiformes
0
1
1
Lepidopleurida
5
10
63
Lepidoptera
135
12499
134141
Leptosomiformes
1
1
1
Leptostraca
2
5
53
Leptothecata
40
154
828
Leucosolenida
9
30
175
Limifossorida
2
3
6
Limnognathida
1
1
2
Limnomedusae
5
14
228
Limoida
1
7
51
Lingulida
2
6
61
Lithobiomorpha
3
23
376
Lithoglyptida
3
9
46
Lithonida
1
1
2
Litobothriidea
1
1
8
Litopterna
1
1
3
Littorinimorpha
76
808
4220
Lobata
8
11
53
Lobotiformes
3
3
16
Lophiiformes
18
64
363
Lophogastrida
3
5
18
Lucinida
5
85
282
Lumbriculida
5
21
288
Lutjaniformes
2
41
532
Lyssacinosida
5
47
159
Macrodasyida
7
28
217
Macroscelidea
1
6
30
Malacalcyonacea
48
202
2915
Malacovalvulida
1
2
22
Mantodea
29
304
935
Mantophasmatodea
3
13
28
Marimermithida
1
2
4
Mazocraeidea
19
114
307
Mecoptera
9
39
356
Megaloptera
2
32
312
Merliida
2
2
5
Mermithida
2
19
161
Mesitornithiformes
1
2
3
Mesostigmata
88
250
8334
Microbiotheria
1
1
2
Micropygoida
1
1
1
Mictacea
2
2
2
Millericrinida
0
0
27
Misophrioida
2
6
11
Molpadida
4
6
19
Monhysterida
6
50
602
Moniliformida
1
1
20
Moniligastrida
1
2
65
Monocotylidea
3
33
87
Mononchida
6
21
188
Monophragmophora
1
2
5
Monostilifera
17
68
927
Monotremata
2
3
5
Monstrilloida
1
5
41
Montchadskyellidea
0
0
0
Mormonilloida
1
2
3
Mugiliformes
1
28
374
Multivalvulida
6
7
151
Musophagiformes
1
8
23
Muspiceida
2
2
4
Myctophiformes
2
38
612
Myida
6
46
303
Myliobatiformes
8
37
565
Myodocopida
5
41
251
Myopsida
3
11
232
Mysida
4
166
261
Mystacocaridida
1
2
3
Mytilida
2
54
1536
Myxiniformes
1
5
83
Myzostomida
7
13
119
Nanaloricida
2
5
5
Narapida
0
0
0
Narcomedusae
6
15
62
Nautilida
1
2
9
Nectiopoda
5
9
36
Neelipleona
1
3
113
Nemertodermatida
2
6
34
Neoechinorhynchida
2
11
124
Neogastropoda
45
775
5397
Neomeniamorpha
1
1
6
Neomphalida
2
21
153
Neuroptera
15
471
2852
Nippotaeniidea
1
2
9
Notacanthiformes
2
6
39
Notomyotida
1
6
23
Notoryctemorphia
1
1
2
Notostraca
1
2
250
Notoungulata
1
1
1
Nuculanida sp.
9
25
104
Nuculida
2
6
30
Nudibranchia
69
259
2204
Nyctibiiformes
1
1
7
Octopoda
14
47
589
Odonata
38
636
4216
Oegophiurida
0
0
0
Oegopsida
27
78
467
Oligacanthorhynchida
1
7
18
Onchoproteocephalidea
0
1
2
Opheliida
0
0
6
Ophidiiformes
5
78
425
Ophioleucida
1
0
51
Ophioscolecida
1
0
18
Opilioacarida
1
4
10
Opiliones
60
862
2808
Opisthocomiformes
1
1
1
Opisthorchiida
6
93
498
Orectolobiformes
7
13
70
Orthoptera
45
2660
8029
Osmeriformes
4
17
110
Osteoglossiformes
5
31
400
Ostreida
3
20
364
Otidiformes
1
12
27
Palpigradi
3
2
73
Pantopoda
11
46
861
Parachela
14
67
727
Parvidrilida
1
1
5
Passeriformes
94
1474
6647
Paucituberculata
1
3
16
Paxillosida
5
30
169
Pectinida
7
71
256
Pedinoida
1
1
18
Pelecaniformes
5
38
110
Pempheriformes
1
8
19
Penicillaria (in: tube anenomes)
1
4
14
Peramelemorphia
2
8
27
Perciformes
60
480
5732
Percopsiformes
3
7
17
Peripodida
1
1
6
Perissodactyla
3
11
214
Persiculida
0
1
2
Petromyzontiformes
2
9
501
Phaethontiformes
1
1
3
Phascolosomatiformes
1
3
47
Phasmatodea
14
413
1515
Philodinavida
1
3
8
Philodinida
2
13
256
Phlebobranchia
5
18
108
Phoenicopteriformes
1
3
7
Pholidoskepia
4
12
61
Pholidota
1
3
19
Phragmophora
2
4
78
Phyllobothriidea
2
30
170
Phyllodocida
31
325
4220
Phymosomatoida
2
2
3
Piciformes
7
76
422
Pilosa
6
16
33
Plagiorchiida
93
578
3174
Platycopida
2
4
8
Platycopioida
1
2
2
Platyctenida
4
5
25
Playtdesmida
2
10
30
Plecoptera
16
256
2678
Plectida
17
50
437
Pleurobranchida
2
11
68
Pleuronectiformes
14
122
983
Pleurotomariida
2
10
45
Ploima
19
51
986
Plumatellida
1
1
1
Podicipediformes
1
6
17
Podocopida
31
159
1145
Poduromorpha
7
93
2943
Poecilosclerida
22
83
656
Poecilostomatoida
24
82
351
Pollicipedomorpha
2
4
16
Polyarthra
2
6
32
Polycladida
40
89
491
Polydesmida
31
376
999
Polymastiida
1
11
85
Polymixiiformes
1
1
20
Polymorphida
3
17
125
Polypodiidea
1
1
2
Polypteriformes
1
2
16
Polystilifera
7
5
68
Polystomatidea
2
25
405
Polyxenida
3
12
100
Polyzoniida
4
11
46
Porocephalida
5
10
52
Potamodrilidae
0
1
1
Priacanthiformes
2
9
53
Priapulimorphida
2
5
23
Primates
16
86
743
Proboscidea
3
6
42
Procellariiformes
2
28
166
Prolecithophora
5
17
62
Prorhynchida
1
4
27
Proseriata
10
46
281
Proteocephalidea
2
64
280
Protostomata
0
0
0
Pseudophyllidea
3
3
8
Pseudoscorpiones
26
430
1501
Psittaciformes
3
98
450
Psocodea
63
464
6351
Pterioida
5
11
159
Pterocliformes
1
2
11
Pteropoda
12
28
391
Pyrosomata
1
3
11
Raillietiellida
1
1
13
Rajiformes
4
37
378
Randiellida
1
1
8
Raphidioptera
2
27
118
Reighardiida
1
2
3
Rhabditida
147
973
11840
Rhabdocoela
34
199
617
Rhabdopleurida
1
1
16
Rhabdura
5
13
92
Rhaptothyreida
1
1
1
Rheiformes
1
2
4
Rhinebothriidea
5
18
214
Rhinopristiformes
6
12
137
Rhizostomeae
10
22
183
Rhynchobdellida
1
20
316
Rhynchonellida
7
14
18
Ricinulei
1
3
193
Rodentia
35
535
4003
Runcinacea
2
6
33
Sabellida
6
143
984
Salenioida
1
3
5
Salmoniformes
1
11
714
Salpida
1
12
47
Sarcoptiformes
226
665
16430
Scandentia
1
5
30
Sceptrulophora
7
23
56
Schizomida
2
31
610
Scleractinia
33
203
2895
Scleralcyonacea
36
162
1942
Scolopendromorpha
5
25
492
Scombriformes
17
73
729
Scopalinida
1
0
1
Scorpiones
17
220
1274
Scutigeromorpha
3
14
67
Seguenziida
4
28
44
Seisonacea
1
2
4
Semaeostomeae
4
16
287
Semionotiformes
1
2
15
Sepiida
5
30
175
Siluriformes
38
502
6041
Sinentomata
2
2
4
Siphonaptera
17
139
496
Siphonariida
1
9
269
Siphoniulida
1
1
1
Siphonophorae
18
57
235
Siphonophorida
2
6
14
Siphonostomatoida
42
130
516
Sirenia
2
3
6
Solemyida
2
5
62
Solifugae
12
52
380
Spariformes
4
48
418
Spatangoida
10
32
111
Spathebothriidea
2
4
4
Spelaeogriphacea
1
2
2
Sphaeriida
0
0
0
Sphaerocladina
1
1
8
Sphaerotheriida
2
14
113
Sphenisciformes
1
6
26
Sphenodontia
1
1
2
Spinulosida
4
11
189
Spionida
6
33
1035
Spirobolida
14
66
169
Spirostreptida
13
48
215
Spirularia
3
7
46
Spirulida
5
1
2
Spongillida
7
40
201
Squaliformes
6
21
255
Squamata
61
1223
11679
Stauromedusae
6
11
53
Stemmiulida
1
2
3
Sterrofustia
1
3
6
Stolidobranchia
4
51
435
Stomatopoda
18
71
335
Stomiiformes
5
49
662
Strepsiptera
10
27
392
Strigeidida
15
120
1026
Strigiformes
2
35
217
Struthioniformes
2
3
13
Stylephoriformes
1
1
1
Stylommatophora
114
1370
9772
Suberitida
3
22
362
Suliformes
4
12
65
Symphypleona
9
46
4372
Synbranchiformes
4
16
217
Syngnathiformes
10
92
1044
Systellommatophora
3
35
210
Tanaidacea
31
133
284
Temnopleuroida
2
15
198
Terebellida
11
128
1560
Terebratulida
15
42
93
Testudines
14
108
487
Tethyida
3
15
122
Tetrabothriidea
1
2
17
Tetractinellida
23
86
662
Tetramerocerata
3
10
56
Tetraodontiformes
10
99
604
Tetraphyllidea
8
32
273
Teuthida
0
0
9
Thalassocalycida
1
1
3
Thecideida
2
5
12
Thermosbaenacea
4
3
27
Thysanoptera
9
688
3296
Tinamiformes
1
9
52
Torpediniformes
4
11
72
Trachichthyiformes
5
17
68
Trachycladida
1
1
6
Trachymedusae
3
21
53
Trichinellida
6
18
731
Trichoplacea
1
1
31
Trichoptera
49
557
13052
Tricladida
13
161
916
Trigoniida
1
1
3
Triplonchida
10
26
459
Trochida
11
164
805
Trogoniformes
1
7
41
Trombidiformes
119
622
20536
Tryblidiida
1
5
9
Trypanorhyncha
22
56
194
Tubificida
3
106
788
Tubulaniformes
2
5
99
Tubulidentata
1
1
2
Tubuliporida
1
4
8
Umbraculida
2
2
8
Unionida
7
195
1006
Uranoscopiformes
4
19
156
Uropygi
1
5
36
Valvatida
15
115
339
Vampyromorpha
1
1
2
Velatida
5
16
72
Venerida
16
141
1469
Verongiida
5
13
320
Verrucomorpha
1
6
20
Vilesida
1
1
1
Xenopneusta
1
1
7
Xiphosura
1
3
9
Zeiformes
6
16
53
Zoantharia
9
30
425
Zoraptera
2
7
49
Zygentoma
5
51
302
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