Taxonomy summary
Only current list
Excluding species
Eukaryota
>
Metazoa
Order
Family
Genus
Species
Acanthobdellida
0
2
4
Acanthuriformes
3
8
114
Accipitriformes
4
82
286
Acipenseriformes
2
6
64
Acochlidiacea
9
14
125
Acoela
17
68
551
Acropomatiformes
17
43
256
Actiniaria
47
160
688
Actinulida
2
2
37
Adapedonta
4
13
83
Adinetida
1
2
90
Agelasida
3
5
186
Albuliformes
1
2
31
Alepocephaliformes
3
26
86
Alluroidida
1
1
3
Amblypygi
4
15
124
Amiiformes
1
1
3
Amphidiscosida
3
11
41
Amphilepidida
16
133
1591
Amphilinidea
2
4
4
Amphionidacea
1
1
1
Amphioxiformes
1
3
26
Amphipoda
145
616
8256
Anabantiformes
8
27
413
Anaspidacea
4
6
24
Anguilliformes
20
112
1072
Anostraca
7
21
278
Anseriformes
3
59
225
Anthoathecata
42
131
1230
Antipatharia
6
45
477
Anura
53
493
12650
Aphragmophora
3
15
71
Aplousobranchia
9
25
350
Aplysiida
2
10
108
Apochela
1
2
256
Apodida
3
18
89
Apodiformes
2
138
471
Aporidea
1
2
12
Apterygiformes
1
1
7
Araeolaimida
3
26
343
Araneae
125
2367
21494
Arbacioida
1
5
15
Archaeognatha
2
27
162
Archinemertea
2
3
123
Architaenioglossa
10
88
934
Arcoida
6
39
210
Argentiniformes
4
20
79
Arguloida
1
3
38
Arhynchobdellida
0
0
8
Arthrotardigrada
7
19
45
Artiodactyla
23
148
661
Aspidochirotida
3
22
270
Aspidodiadematoida
1
2
5
Aspidosiphonidormes
1
3
38
Ateleopodiformes
1
3
12
Atheriniformes
9
47
522
Aulocalycoida
0
0
0
Aulopiformes
15
46
468
Axinellida
4
35
252
Azygiida
13
95
469
Baerida
2
3
10
Balanomorpha
13
87
814
Bathynellacea
2
42
438
Batrachoidiformes
1
19
67
Bdellonemertea
1
1
5
Beloniformes
5
33
452
Benthimermithida
1
1
3
Beroida
1
1
20
Beryciformes
8
24
179
Biemnida
2
4
30
Bivalvulida
16
40
1281
Blattodea
20
527
4785
Blenniiformes
7
155
1219
Bothriocephalidea
3
30
148
Bourgueticrinida
5
6
17
Brachypoda
1
2
10
Branchiobdellida
3
17
68
Brisingida
5
15
92
Bubarida
3
17
102
Bucerotiformes
5
20
72
Bursovaginoidea
7
12
22
Calanoida
43
184
1956
Calanticomorpha
1
4
20
Callipodida
4
5
21
Camarodonta
7
25
146
Capilloventrida
1
1
7
Caprimulgiformes
7
27
114
Caproiformes
1
2
18
Capsalidea
2
27
159
Carangiformes
5
46
337
Carcharhiniformes
9
50
426
Cardiida
8
102
418
Carditida
4
22
56
Cariamiformes
1
2
2
Carinomiformes
2
2
47
Carnivora
15
135
421
Carybdeida
5
10
46
Caryophyllidea
5
34
141
Cassiduloida
2
4
4
Casuariiformes
2
2
7
Cathetocephalidea
1
2
4
Caudata
10
73
1097
Cavibelonia
7
15
94
Centrarchiformes
16
77
343
Cephalaspidea
17
72
461
Cephalobaenida
1
0
0
Cephalodiscida
1
1
6
Ceratodontiformes
3
3
15
Cestida
1
2
4
Chaetodermatida
2
7
50
Chaetodontiformes
2
22
269
Chaetonotida
6
25
224
Characiformes
28
278
3499
Charadriiformes
15
96
394
Cheilostomatida
92
256
1001
Chimaericolidea
1
1
1
Chimaeriformes
3
6
75
Chirodropida
3
5
19
Chiroptera
21
220
2280
Chitonida
14
50
321
Chondrillida
2
5
55
Chondrosiida
0
0
2
Chordeumatida
20
41
130
Chordodea
2
7
44
Chromadorida
7
55
590
Cichliformes
2
252
3769
Ciconiiformes
2
8
71
Cidaroida
4
22
99
Cingulata
2
12
33
Clathrinida
8
26
211
Clionaida
4
11
155
Clupeiformes
6
76
811
Clypeasteroida
10
22
83
Coelacanthiformes
1
1
2
Coleoptera
194
9654
77687
Coliiformes
1
2
6
Collothecaceae
2
2
4
Columbiformes
2
53
363
Comatulida
21
94
278
Copelata
3
10
61
Coraciiformes
8
36
187
Corallimorpharia
3
9
95
Coronatae
6
8
57
Craniida
1
3
74
Crassiclitellata
16
156
3351
Craterostigmomorpha
1
1
3
Crocodylia
3
10
41
Cryptophialida
1
1
5
Ctenostomatida
20
26
107
Cuculiformes
5
34
154
Cumacea
8
38
233
Cycloneritida
6
35
326
Cyclophyllidea
15
164
965
Cyclopoida
25
72
1010
Cyclostomatida
13
25
52
Cydippida
9
13
80
Cypriniformes
22
470
7199
Cyprinodontiformes
14
140
1744
Cyrtocrinida
2
2
3
Dactylogyridea
10
129
1369
Dasyuromorphia
3
19
99
Decapoda
193
1742
14731
Dendroceratida
2
9
57
Dendrochirotida
8
63
194
Dendrogastrida
1
2
12
Dentaliida
7
10
37
Dermaptera
12
77
335
Dermoptera
1
2
3
Desmacellida
1
1
8
Desmodorida
6
46
490
Desmoscolecida
1
5
128
Diadematoida
1
5
49
Diclybothriidea
3
14
21
Dictyoceratida
5
37
616
Didelphimorphia
1
18
176
Dinornithiformes
2
6
15
Dioctophymatida
2
4
127
Diphyllidea
1
5
45
Diphyllobothriidea
1
14
169
Diplostomida
8
78
1022
Diplostraca
21
89
1979
Diplura
7
24
176
Diprotodontia
10
43
188
Diptera
158
4298
261219
Doliolida
2
4
11
Dorylaimida
18
101
1079
Echiniscoidea
3
23
314
Echinorhiniformes
1
1
6
Echinorhynchida
8
27
136
Echinothurioida
3
7
73
Echiuroidea
3
18
105
Elasipodida
5
20
111
Ellobiida
3
27
157
Elopiformes
2
2
16
Embioptera
11
32
132
Enchytraeida
2
27
899
Enoplida
18
82
1159
Entomobryomorpha
7
104
10495
Ephemeroptera
35
294
4541
Ephippiformes
2
7
18
Esociformes
2
4
22
Eulipotyphla
4
61
714
Eunicida
9
76
942
Euonychophora
2
36
443
Euphausiacea
2
11
139
Euryalida
4
38
173
Eurypygiformes
2
2
2
Falconiformes
1
11
72
Fecampiida
2
1
3
Filospermoidea
1
1
8
Flabelligerida
0
0
5
Flosculariaceae
5
16
75
Forcipulatida
7
57
187
Gadiformes
12
72
676
Gadilida
4
6
20
Galaxiiformes
1
8
80
Galeommatida
3
50
286
Galliformes
5
87
330
Gastrochaenida
1
7
17
Gaviiformes
1
1
5
Gelyelloida
0
0
2
Geophilomorpha
12
47
241
Gerreiformes
1
8
143
Gigantorhynchida
1
3
8
Glomerida
4
20
101
Glomeridesmida
1
1
6
Gobiiformes
10
285
2946
Golfingiida
4
10
99
Gonorynchiformes
3
7
95
Gordea
1
3
81
Gruiformes
6
57
172
Grylloblattodea
1
7
173
Gymnophiona
10
30
259
Gymnotiformes
5
33
425
Gyracanthocephala
1
2
69
Gyrocotylidea
1
1
12
Gyrodactylidea
7
34
425
Halocyprida
2
45
189
Haplobothriidea
1
1
1
Haplopharyngida
1
1
3
Haplosclerida
5
26
594
Haplotaxida
1
4
1175
Harpacticoida
44
181
1027
Hemiptera
161
5656
42214
Heterodontiformes
1
1
12
Heteronemertea
6
43
787
Hexactinosida
1
2
4
Hexanchiformes
2
4
7
Hiodontiformes
1
1
2
Hirudinida
13
87
993
Hoilungea
2
2
4
Holasteroida
5
13
23
Holocentriformes
1
7
103
Holothyrida
3
3
13
Homosclerophorida
2
9
192
Hymenoptera
95
5024
164593
Hyocrinida
1
9
18
Hyracoidea
1
3
7
Iblomorpha
1
1
2
Ingolfiellida
1
1
1
Isocrinida
4
8
23
Isolaimida
1
1
4
Isopoda
80
491
5581
Istiophoriformes
2
6
26
Ixodida
3
28
1016
Julida
6
53
474
Kentrorhagata
3
7
21
Kurtiformes
2
39
601
Labriformes
2
85
1034
Lagomorpha
2
13
222
Lamniformes
5
10
23
Lampriformes
6
11
45
Laurida
3
4
6
Lecanicephalidea
8
20
74
Lecithoepitheliata
2
5
34
Lepetellida
7
43
699
Lepidogalaxiiformes
0
1
1
Lepidopleurida
5
10
59
Lepidoptera
134
9783
127395
Leptostraca
2
5
52
Leptothecata
33
133
789
Leucosolenida
9
30
162
Limifossorida
2
2
5
Limnognathida
1
1
2
Limnomedusae
5
14
225
Limoida
1
7
47
Lingulida
2
6
58
Lithobiomorpha
3
23
374
Lithoglyptida
2
8
46
Lithonida
1
1
2
Litobothriidea
1
1
5
Litopterna
1
1
3
Littorinimorpha
73
781
3978
Lobata
8
11
53
Lobotiformes
3
3
15
Lophiiformes
18
64
355
Lophogastrida
3
5
18
Lucinida
5
85
277
Lumbriculida
5
21
286
Lutjaniformes
2
41
520
Lyssacinosida
4
45
154
Macrodasyida
7
27
195
Macroscelidea
1
6
30
Macrostomida
3
14
214
Malacalcyonacea
45
197
2382
Malacovalvulida
1
2
22
Mantodea
21
263
893
Mantophasmatodea
3
12
26
Marimermithida
1
2
4
Mariplanellida
1
1
2
Mazocraeidea
19
111
296
Mecoptera
9
24
329
Megaloptera
2
32
309
Merliida
2
2
4
Mermithida
2
20
156
Mesitornithiformes
1
2
3
Mesostigmata
70
229
8287
Microbiotheria
1
1
2
Micropygoida
1
1
1
Mictacea
2
2
2
Millericrinida
0
0
27
Misophrioida
2
6
11
Molpadida
3
6
16
Monhysterida
5
48
587
Moniliformida
1
1
20
Moniligastrida
1
2
59
Monocotylidea
3
32
86
Mononchida
6
21
180
Monophragmophora
1
2
5
Monostilifera
17
58
879
Monotremata
2
3
5
Monstrilloida
1
5
40
Mormonilloida
1
2
3
Mugiliformes
1
27
369
Multivalvulida
2
2
141
Musophagiformes
1
8
23
Muspiceida
2
2
4
Myctophiformes
2
37
607
Myida
6
45
289
Myliobatiformes
8
37
558
Myodocopida
5
40
251
Myopsida
2
10
228
Mysida
4
66
256
Mystacocaridida
1
2
3
Mytilida
1
51
1508
Myxiniformes
1
5
81
Myzostomida
7
12
109
Nanaloricida
2
4
4
Narapida
0
0
0
Narcomedusae
6
15
60
Nautilida
1
2
8
Nectiopoda
5
9
36
Neelipleona
1
3
108
Nemertodermatida
2
6
33
Neoechinorhynchida
2
11
122
Neogastropoda
40
681
4696
Neomeniamorpha
1
1
5
Neomphalida
2
20
146
Neuroptera
15
354
2728
Nippotaeniidea
1
2
8
Notacanthiformes
2
6
38
Notomyotida
1
6
22
Notoryctemorphia
1
1
2
Notostraca
1
2
250
Notoungulata
1
1
1
Nuculanida sp.
9
25
98
Nuculida
1
6
29
Nudibranchia
66
248
2150
Octopoda
13
47
568
Odonata
38
551
3844
Oegopsida
25
78
455
Oligacanthorhynchida
1
6
16
Onchoproteocephalidea
0
1
2
Opheliida
0
0
6
Ophidiiformes
5
75
398
Ophioleucida
1
0
50
Ophioscolecida
1
0
17
Opilioacarida
1
3
9
Opiliones
57
560
2687
Opisthocomiformes
1
1
1
Opisthorchiida
6
92
478
Orectolobiformes
7
13
69
Orthoptera
41
1495
7247
Osmeriformes
4
17
107
Osteoglossiformes
5
31
390
Ostreida
3
19
351
Otidiformes
1
11
26
Palpigradi
2
2
66
Pantopoda
11
44
795
Parachela
14
57
655
Parvidrilida
1
1
5
Passeriformes
92
1463
6589
Paucituberculata
1
3
16
Paxillosida
5
29
164
Pectinida
7
70
244
Pedinoida
1
1
18
Pelecaniformes
5
37
108
Pempheriformes
1
8
19
Penicillaria (in: tube anenomes)
1
4
13
Peramelemorphia
2
8
26
Perciformes
58
470
5560
Percopsiformes
3
7
17
Peripodida
1
1
5
Perissodactyla
3
11
212
Persiculida
0
1
1
Petromyzontiformes
2
9
495
Phaethontiformes
1
1
3
Phascolosomatiformes
1
3
46
Phasmatodea
14
291
1181
Philodinavida
1
2
6
Philodinida
2
13
244
Phlebobranchia
5
13
88
Phoenicopteriformes
1
3
7
Pholidoskepia
4
11
43
Pholidota
1
3
19
Phragmophora
2
4
78
Phthiraptera
22
261
3086
Phyllobothriidea
2
30
163
Phyllodocida
31
315
4034
Phymosomatoida
2
2
3
Piciformes
7
75
416
Pilosa
6
16
29
Plagiorchiida
84
530
3002
Platycopida
2
4
8
Platycopioida
1
2
2
Platyctenida
3
4
25
Playtdesmida
2
10
30
Plecoptera
16
251
2418
Plectida
14
47
424
Pleurobranchida
2
11
65
Pleuronectiformes
14
120
932
Pleurotomariida
2
10
45
Ploima
19
51
970
Plumatellida
1
1
1
Podicipediformes
1
6
17
Podocopida
31
148
1106
Poduromorpha
7
77
2865
Poecilosclerida
22
75
613
Poecilostomatoida
24
75
312
Pollicipedomorpha
2
4
15
Polyarthra
2
6
31
Polycladida
31
83
452
Polydesmida
20
130
947
Polymastiida
1
11
83
Polymixiiformes
1
1
20
Polymorphida
3
17
117
Polypodiidea
1
1
1
Polypteriformes
1
2
16
Polystilifera
6
5
58
Polystomatidea
2
25
401
Polyxenida
3
12
92
Polyzoniida
4
11
46
Porocephalida
5
10
51
Potamodrilidae
0
1
1
Priacanthiformes
2
8
53
Priapulimorphida
2
5
22
Primates
16
86
731
Proboscidea
2
6
40
Procellariiformes
2
28
168
Prolecithophora
4
17
60
Proseriata
9
44
273
Proteocephalidea
2
62
264
Pseudophyllidea
2
3
7
Pseudoscorpiones
25
175
1345
Psittaciformes
3
97
444
Psocoptera
42
158
2794
Pterioida
5
11
158
Pterocliformes
1
2
11
Pteropoda
12
28
389
Pyrosomata
1
3
11
Raillietiellida
1
1
11
Rajiformes
4
33
363
Randiellida
1
1
8
Raphidioptera
2
27
104
Reighardiida
1
2
3
Rhabditida
135
865
11278
Rhabdocoela
32
166
589
Rhabdopleurida
1
1
12
Rhaptothyreida
1
1
1
Rheiformes
1
2
4
Rhinebothriidea
5
19
231
Rhinopristiformes
6
12
133
Rhizostomeae
10
22
177
Rhynchobdellida
1
20
312
Rhynchonellida
6
13
18
Ricinulei
1
3
192
Rodentia
35
526
3910
Runcinacea
2
6
31
Sabellida
6
127
922
Salenioida
1
3
5
Salmoniformes
1
11
692
Salpida
1
12
45
Sarcoptiformes
191
568
16338
Scandentia
1
5
29
Sceptrulophora
7
23
53
Schizomida
2
30
593
Scleractinia
31
189
2708
Scleralcyonacea
36
156
1820
Scolopendromorpha
5
23
466
Scombriformes
17
73
677
Scopalinida
1
0
1
Scorpiones
15
152
1190
Scutigeromorpha
1
15
66
Seguenziida
4
20
39
Seisonacea
1
2
4
Semaeostomeae
4
16
286
Semionotiformes
1
2
14
Sepiida
3
30
162
Siluriformes
38
494
5839
Siphonaptera
17
134
456
Siphonariida
1
8
268
Siphonophorae
18
55
216
Siphonophorida
2
6
14
Siphonostomatoida
25
98
494
Sirenia
2
3
6
Solemyida
2
5
60
Solifugae
12
45
291
Spariformes
4
48
408
Spatangoida
10
31
103
Spathebothriidea
2
4
4
Spelaeogriphacea
1
2
2
Sphaerocladina
1
1
8
Sphaerotheriida
2
14
108
Sphenisciformes
1
6
25
Sphenodontia
1
1
2
Spinulosida
4
10
182
Spionida
6
32
1010
Spirobolida
10
47
162
Spirostreptida
7
44
205
Spirularia
3
7
43
Spirulida
1
1
2
Spongillida
6
37
197
Squaliformes
6
21
247
Squamata
61
1164
11185
Stauromedusae
5
7
53
Stemmiulida
1
2
3
Sterrofustia
1
2
2
Stolidobranchia
4
29
420
Stomatopoda
18
71
328
Stomiiformes
5
48
661
Strepsiptera
8
26
382
Strigeidida
15
118
1002
Strigiformes
2
31
213
Struthioniformes
2
3
12
Stylephoriformes
1
1
1
Stylommatophora
114
1222
9290
Suberitida
3
22
350
Suliformes
4
12
64
Symphypleona
8
30
4367
Synbranchiformes
4
13
206
Syngnathiformes
10
90
1028
Systellommatophora
3
35
190
Tanaidacea
25
95
262
Temnopleuroida
2
14
197
Terebellida
11
123
1484
Terebratulida
15
40
89
Testudines
14
104
481
Tethyida
3
13
109
Tetrabothriidea
1
2
17
Tetractinellida
21
79
585
Tetramerocerata
3
8
49
Tetraodontiformes
10
98
587
Tetraphyllidea
7
31
257
Teuthida
0
0
9
Thalassocalycida
1
1
3
Thecideida
2
5
11
Thermosbaenacea
3
3
27
Thysanoptera
7
201
3232
Tinamiformes
1
9
52
Torpediniformes
4
10
68
Trachichthyiformes
5
17
65
Trachycladida
1
1
6
Trachymedusae
3
21
52
Trichinellida
6
18
714
Trichoplacea
1
1
25
Trichoptera
46
492
11949
Tricladida
10
93
841
Trigoniida
1
1
3
Triplonchida
9
24
426
Trochida
11
142
761
Trogoniformes
1
7
41
Trombidiformes
110
570
20225
Tryblidiida
1
5
9
Trypanorhyncha
22
55
188
Tubificida
3
75
779
Tubulaniformes
2
5
96
Tubulidentata
1
1
2
Tubuliporida
1
4
8
Umbraculida
2
2
8
Unionida
7
190
980
Uranoscopiformes
4
19
154
Uropygi
1
5
35
Valvatida
14
109
323
Vampyromorpha
1
1
2
Velatida
5
15
70
Venerida
16
138
1421
Verongiida
5
13
314
Verrucomorpha
1
6
19
Xenopneusta
1
1
6
Xiphosura
1
3
9
Zeiformes
6
15
49
Zoantharia
9
30
409
Zoraptera
2
7
43
Zygentoma
5
35
284
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