Eukaryota

Family	Genus	Species
Megachasmidae	1	1
Megachilidae	65	1137
Megadermatidae	5	6
Megalaimidae	3	22
Megalariaceae	2	17
Megalobulimidae	1	10
Megalodontesidae	1	23
Megalomastomatidae	1	2
Megalonychidae	5	9
Megalopidae	1	3
Megalopygidae	13	111
Megalosporaceae	4	19
Megalotylidae	1	7
Megaluropidae	1	2
Megalyridae	2	11
Megamerinidae	1	4
Megaperidae	1	1
Megapodagrionidae	20	70
Megapodiidae	7	22
Megapontiidae	1	1
Megarididae	1	3
Megascolecidae	43	1938
Megaspilidae	7	505
Megasporaceae	10	244
Megastigmidae	8	116
Megatheriidae	2	2
Megathyrididae	2	2
Megeremaeidae	1	32
Megisthanidae	1	1
Megomphicidae	1	1
Megophryidae	15	650
Meidiamidae	2	11
Meinertellidae	6	15
Meiodiscaceae	4	10
Meiomeniidae	1	1
Melamphaidae	5	56
Melampittidae	1	1
Melampsoraceae	1	367
Melanconidaceae	8	49
Melanconiellaceae	8	42
Melandryidae	28	180
Melaniellaceae	1	1
Melanoblossiidae	2	4
Melanocetidae	1	4
Melanocharitidae	4	11
Melanogastraceae	3	69
Melanommataceae	27	156
Melanonidae	1	2
Melanopsaceae	1	7
Melanopsidae	4	22
Melanosporaceae	0	0
Melanotaeniaceae	1	4
Melanotaeniidae	6	136
Melansporellaceae	1	1
Melanthiaceae	20	203
Melanthripidae	4	8
Melaspileaceae	3	7
Melaspileellaceae	1	2
Melastomataceae	185	3333
Meliaceae	58	660
Melicertidae	1	2
Melicharidae	1	104
Melinnidae	3	17
Meliolaceae	6	79
Meliolinaceae	1	2
Meliphagidae	56	191
Melithaeidae	3	110
Melitheidae	0	1
Melitidae	13	74
Melittidae	11	94
Melizoderidae	2	5
Mellitidae	5	47
Melogrammataceae	1	3
Meloidae	75	645
Meloidogynidae	1	282
Melongenidae	9	21
Melosiraceae	1	21
Melphidippidae	2	3
Melyridae	65	466
Membracidae	172	726
Membraniporidae	3	16
Memecylaceae	0	0
Mengenillidae	2	10
Menidae	1	2
Menippidae	2	6
Menispermaceae	76	289
Menoponidae	52	673
Menthidae	2	2
Menuridae	2	4
Menyanthaceae	6	63
Mephitidae	4	15
Meripilaceae	5	120
Merliidae	1	1
Merliniidae	8	83
Merlucciidae	3	35
Mermithidae	19	155
Meropeidae	1	2
Meropidae	3	27
Merothripidae	1	2
Mertensiidae	3	14
Meruidae	1	1
Meruliaceae	29	288
Merulinidae	22	175
Mesaiokeratidae	1	1
Meschiidae	2	4
Mesidionematidae	1	2
Mesitornithidae	2	3
Mesocestoididae	1	133
Mesochytriaceae	1	1
Mesodesmatidae	8	13
Mesodiniidae	2	26
Mesofilidae	1	6
Mesogammaridae	2	2
Mesognathariidae	3	3
Mesometridae	4	7
Mesoniscidae	1	2
Mesophelliaceae	6	24
Mesophyllumaceae	4	53
Mesoplophoridae	3	15
Mesopsocidae	2	15
Mesosignidae	1	57
Mesosporaceae	2	16
Mesostigmataceae	1	1
Mesotaeniaceae	5	56
Mesoveliidae	8	38
Messicobolidae	1	2
Metacapnodiaceae	3	14
Metacrangonyctidae	2	23
Metacylididae	5	16
Metacystidae	1	1
Metadilepididae	1	1
Metallyticidae	1	4
Metaniidae	3	6
Metapseudidae	4	5
Metasarcidae	9	37
Metastrongylidae	21	114
Metaxinidae	1	1
Metaxyaceae	1	6
Metchnikovellidae	2	8
Meteoriaceae	24	66
Metidae	1	2
Metopidae	12	80
Metrarabdotosidae	1	1
Metretopodidae	1	3
Metridiidae	1	9
Metridinidae	3	302
Metrioppiidae	0	1
Metromonadea	4	8
Metropodidae	1	3
Metschnikowiaceae	15	419
Metschnikowiidae	1	1
Metteniusaceae	11	23
Metzgeriaceae	2	69
Micareaceae	2	91
Micheleidae	4	9
Micrabaciidae	3	11
Micractiniaceae	0	0
Micraspidaceae	1	4
Micreremidae	1	2
Micrixalidae	1	38
Microascaceae	25	495
Microbiotheriidae	1	2
Microbothriidae	8	13
Microbotryaceae	4	98
Microcaliciaceae	1	6
Microcerberidae	4	12
Microchaetidae	4	15
Microchlamyiidae	2	4
Microcionidae	7	78
Microcodonidae	1	1
Microcoryciidae	1	1
Microcotylidae	26	84
Microcystidae	5	13
Microdajidae	1	1
Microdispidae	0	7
Microdochiaceae	6	143
Microgyniidae	1	20
Microhedylidae	3	66
Microhydrulidae	1	0
Microhylidae	70	1197
Microhypsibiidae	1	3
Microlaimidae	7	66
Micromalthidae	1	1
Micromitriaceae	1	4
Micronectidae	1	49
Micronoctuidae	2	6
Micropacteridae	1	1
Microparasellidae	0	0
Micropeltidaceae	4	62
Micropezidae	30	158
Microphallidae	12	120
Microphasmatidae	1	2
Micropholcommatidae	10	31
Microphthalmidae	1	1
Microphysidae	2	5
Micropleuridae	1	1
Microporellidae	4	67
Microporidae	6	15
Microprotopidae	1	2
Micropsammidae	1	3
Micropterigidae	14	164
Micropygidae	1	1
Microscaphidiidae	1	2
Microsporaceae	2	8
Microsporomycetaceae	4	38
Microstigmatidae	2	4
Microstomatidae	3	15
Microstomidae	1	28
Microstromataceae	1	7
Microteaceae	1	8
Microtegeidae	1	1
Microthamniaceae	2	3
Microthoracidae	3	6
Microthoraciidae	1	1
Microthyriaceae	15	37
Microtrombidiidae	9	171
Microzoanthidae	1	2
Micruropodidae	4	13
Mictocarididae	1	1
Mictyridae	1	6
Mideidae	1	3
Mideopsidae	3	78
Migidae	7	25
Mikrocytiidae	2	17
Milacidae	2	69
Milesinaceae	4	24
Milichiidae	11	330
Miliolidae	4	22
Milleporidae	1	51
Milnesiidae	2	256
Miltideaceae	1	1
Milyeringidae	1	2
Mimallonidae	20	130
Mimetidae	5	123
Mimidae	11	34
Mimonecteolidae	1	2
Mimonectidae	1	1
Mimopidae	1	1
Mimosellidae	1	1
Minchinellidae	1	2
Mindaridae	1	55
Miniopteridae	1	73
Minutisphaeraceae	1	11
Miraciidae	25	80
Miraculaceae	1	6
Miridae	496	3412
Mischococcaceae	1	1
Misodendraceae	1	9
Misophriidae	4	9
Mithracidae	16	54
Mithrodiidae	2	4
Mitrastemonaceae	1	3
Mitridae	24	142
Mitrocomidae	6	12
Mitrulaceae	1	8
Mitsukurinidae	1	1
Mitteniaceae	1	1
Miturgidae	10	22
Mixiaceae	1	1
Mixobothriidae	1	4
Mixodigmatidae	1	1
Miyabeaceae	3	4
Mnesarchaeidae	1	2
Mnestiidae	1	6
Mniaceae	14	136
Mniaeciaceae	2	4
Mochlozetidae	2	19
Mochokidae	9	349
Modulidae	2	2
Moerckiaceae	2	5
Moerisiidae	2	7
Mogoplistidae	9	51
Mohoidae	2	5
Moinidae	2	93
Moitessieriidae	2	3
Molannidae	2	24
Molgulidae	4	31
Molidae	3	11
Molineidae	21	58
Mollisiaceae	18	357
Molluginaceae	11	70
Molossidae	17	148
Molpadiidae	2	9
Momoniidae	3	4
Momotidae	6	14
Momphidae	4	103
Monacanthidae	24	109
Monarchidae	16	95
Mongoliulidae	2	16
Monhysteridae	12	139
Moniliellaceae	1	33
Moniliformidae	1	20
Moniligastridae	2	61
Monimiaceae	26	103
Monoblastiaceae	6	27
Monoblepharidaceae	2	31
Monobrachiidae	1	3
Monobryozoidae	1	1
Monocarpaceae	1	1
Monocelididae	12	128
Monocentridae	2	10
Monocercomonadidae	1	7
Monocleaceae	1	3
Monocotylidae	21	68
Monocystidae	3	52
Monodactylidae	2	9
Monodellidae	1	12
Monodontidae	2	2
Monodopsidaceae	3	129
Monognathidae	1	2
Monomachidae	1	7
Monomastigaceae	1	9
Monommidae	0	2
Monomyxidae	1	2
Mononchidae	9	84
Monophlebidae	14	58
Monoporellidae	1	1
Monoposthiidae	2	14
Monorchiidae	28	87
Monorhaphididae	1	1
Monosoleniaceae	1	1
Monostromataceae	4	29
Monotomidae	8	67
Monotoplanidae	1	3
Monstrillidae	5	40
Montacutidae	17	39
Montastraeidae	1	3
Montiaceae	14	285
Monticelliidae	24	66
Montiniaceae	3	5
Mopaliidae	11	61
Mopseidae	13	31
Morabidae	7	18
Moraceae	45	1213
Morchellaceae	5	312
Mordellidae	19	434
Moridae	14	70
Morinaceae	0	0
Moringaceae	1	17
Moringuidae	2	23
Morlockiidae	1	3
Mormonillidae	2	3
Mormoopidae	2	18
Mormotomyiidae	1	1
Mormyridae	21	326
Moronidae	2	13
Morosphaeriaceae	8	48
Mortierellaceae	16	816
Moschidae	1	14
Motacillidae	5	69
Mrakiaceae	8	156
Mrazekiidae	3	9
Mucoraceae	20	582
Mugilidae	27	364
Mullidae	6	190
Multicalycidae	1	1
Mummuciidae	5	11
Munididae	35	357
Munidopsidae	4	151
Munnidae	2	6
Munnopsidae	31	480
Muntingiaceae	2	2
Muraenesocidae	6	13
Muraenidae	15	200
Muraenolepididae	2	11
Muranotrichidae	3	5
Murchisonellidae	1	1
Muricidae	136	965
Muridae	156	1186
Murrayidae	3	17
Murrayinellidae	1	2
Murrayonidae	1	1
Musaceae	3	102
Musapsocidae	1	2
Muscicapidae	58	295
Muscidae	106	5706
Muselliferidae	1	2
Musophagidae	8	23
Muspiceidae	1	3
Mussidae	10	54
Mustelicolidae	1	1
Mustelidae	23	73
Mutelidae	2	5
Mutillidae	114	493
Muyocopronaceae	8	56
Mycalidae	1	75
Mycenaceae	11	880
Mycenastraceae	1	3
Mycetomorphidae	1	2
Mycetophagidae	8	61
Mycetophilidae	111	6777
Mycetopodidae	7	11
Mychodeaceae	1	17
Mychodeophyllaceae	1	2
Mychonastaceae	1	92
Mycobatidae	1	68
Mycoblastaceae	1	8
Mycocaliciaceae	5	71
Mycogloiocolacaceae	1	1
Mycoporaceae	1	1
Mycosphaerellaceae	151	2674
Mycotyphaceae	1	6
Mycteridae	5	13
Myctophidae	34	517
Mydidae	35	134
Mydonomidae	1	9
Myeloconidaceae	1	3
Myerslopiidae	3	5
Myicolidae	2	3
Myidae	4	13
Mylestomatidae	1	2
Myliaceae	2	4
Myliobatidae	6	72
Mylodontidae	5	5
Mylonchulidae	2	51
Mymaridae	43	7683
Mymarommatidae	4	12
Myobatrachidae	12	82
Myobiidae	4	9
Myocastoridae	1	1
Myochamidae	2	5
Myocoptidae	2	5
Myodocarpaceae	2	21
Myolaimidae	1	6
Myopsocidae	2	22
Myosporidae	1	1
Myraboliidae	1	5
Myriangiaceae	3	39
Myriaporidae	2	3
Myricaceae	4	38
Myriniaceae	1	2
Myriopathidae	2	7
Myriotrochidae	1	3
Myristicaceae	21	160
Myrmecicultoridae	1	1
Myrmecobiidae	1	1
Myrmecolacidae	4	32
Myrmecophagidae	2	3
Myrmecophilidae	2	25
Myrmecridiaceae	2	57
Myrmeleontidae	147	645
Myrocongridae	1	1
Myrothamnaceae	1	2
Myrrhinidae	2	6
Myrsinaceae	0	0
Myrtaceae	153	2952
Mysidae	62	234
Mysmenidae	9	89
Mystacinidae	1	1
Mystacinobiidae	1	1
Mystropetalaceae	3	3
Mythicomycetaceae	2	3
Mythicomyiidae	3	24
Mytilicolidae	3	6
Mytilidae	51	1493
Mytilinidae	1	1
Mytilinidiaceae	5	37
Myuriaceae	6	23
Myxasteridae	1	5
Myxidiidae	7	126
Myxillidae	3	15
Myxinidae	5	77
Myxobilatidae	3	19
Myxobolidae	6	688
Myxochloridaceae	1	3
Myxotrichaceae	4	200
Myzocytiopsidaceae	2	16
Myzopodidae	1	2
Myzostomatidae	5	78
Nabidae	16	282
Naccariaceae	3	7
Nacellidae	2	52
Nadelsporidae	1	1
Naemateliaceae	2	10
Naetrocymbaceae	3	7
Naididae	71	694
Najnidae	1	1
Namaceae	4	32
Nanaloricidae	2	2
Nanaspididae	1	1
Nandidae	2	7
Nandiniidae	1	1
Nanhermanniidae	3	52
Nannastacidae	4	22
Nannizziopsiaceae	3	34
Nannochoristidae	1	6
Nannodastiidae	1	1
Nannoniscidae	10	124
Nannopodidae	2	13
Nannosquillidae	8	23
Nanodeaceae	2	2
Nanohystricidae	1	1
Nanomantidae	19	40
Nanophyetidae	3	10
Nanorchestidae	3	235
Nanozoanthidae	1	3
Naohideaceae	1	2
Narcinidae	5	35
Narkidae	2	5
Nartheciaceae	5	37
Nasikabatrachidae	1	3
Nassariidae	20	348
Nassulidae	4	13
Nassulopsidae	1	2
Natalidae	3	11
Natalimyzidae	1	1
Naticidae	18	76
Natipusillaceae	1	7
Naucoridae	44	260
Nausithoidae	1	19
Nautilidae	2	8
Nautiliniellidae	4	7
Naviculaceae	23	289
Naviculisporaceae	4	14
Neanuridae	34	546
Nearctodesmidae	3	46
Nebaliidae	4	49
Neblinaphrynidae	1	2
Nebulidae	2	2
Neckeraceae	37	139
Necopinatidae	0	0
Nectariniidae	18	121
Nectonematidae	1	4
Nectonemertidae	1	4
Nectriaceae	78	7482
Neelidae	3	98
Neesiidae	0	1
Nehypochthoniidae	1	1
Neidiaceae	2	67
Neilonellidae	2	7
Nelumbonaceae	1	6
Nemacheilidae	43	1078
Nemaliaceae	1	9
Nemasomatidae	4	8
Nemastomataceae	3	21
Nemastomatidae	15	36
Nematalycidae	4	4
Nemathidae	1	5
Nematistiidae	1	1
Nematocarcinidae	2	47
Nematogenyidae	1	1
Nematoparataeniidae	2	12
Nematoplanidae	1	7
Nematotaeniidae	4	6
Nemertodermatidae	5	30
Nemesiidae	17	156
Nemestrinidae	12	90
Nemichthyidae	3	9
Neminidae	2	2
Nemipteridae	5	84
Nemonychidae	10	25
Nemopteridae	25	64
Nemouridae	18	342
Nenteriidae	1	5
Neoacaridae	0	1
Neoacremoniaceae	1	5
Neoantennariellaceae	4	6
Neoatractosomatidae	1	1
Neobalaenidae	1	1
Neobisiidae	18	329
Neobrachylepadidae	1	1
Neobradyidae	1	7
Neocalceostomatidae	2	2
Neocallimastigaceae	19	405
Neocentrophyidae	1	2
Neoceratiidae	1	1
Neochloridaceae	7	25
Neocrinulaceae	1	3
Neocyclotidae	1	1
Neodactylariaceae	2	5
Neodasyidae	1	15
Neodevriesiaceae	2	57
Neodictyocheirosporaceae	1	2
Neodiplogasteridae	4	178
Neodiplostomidae	0	0
Neoechinorhynchidae	9	119
Neoephemeridae	2	8
Neogosseidae	2	4
Neogoveidae	10	77
Neogymnomycetaceae	4	21
Neohendersoniaceae	7	18
Neohodgsoniaceae	1	1
Neolanidae	1	3
Neolauriomycetaceae	4	12
Neolectaceae	1	4
Neolepadidae	4	65
Neolepetopsidae	3	21
Neoleptonidae	1	3
Neolinognathidae	1	1
Neoliodidae	2	36
Neomassariaceae	2	22
Neomeniidae	1	5
Neomonodaceae	4	12
Neomorphidae	4	10
Neomphalidae	7	45
Neopeltidae	5	9
Neopereziidae	1	2
Neopetaliidae	1	1
Neophaeothecaceae	2	3
Neopilinidae	5	9
Neopilionidae	12	121
Neopseustidae	2	9
Neopygmephoridae	1	1
Neopyrenochaetaceae	1	18
Neoralfsiaceae	1	2
Neoscopelidae	3	8
Neosebastidae	2	13
Neotanaidae	2	4
Neotessellaceae	1	1
Neoteuthidae	3	3
Neothrombiidae	2	5
Neothyridae	1	5
Neotonchidae	1	2
Neotrichocoleaceae	2	2
Neotrichozetidae	1	1
Neotylenchidae	10	158
Neovahlkampfiidae	1	3
Neoverrucidae	2	41
Neozoanthidae	1	8
Neozygitaceae	1	10
Nepenthaceae	1	215
Nephilidae	7	49
Nephridiophagaceae	2	10
Nephrocytiaceae	1	4
Nephrolepidaceae	1	27
Nephromataceae	1	37
Nephropidae	11	43
Nephroselmidaceae	1	35
Nephtheidae	12	184
Nephthyigorgiidae	1	4
Nephtyidae	4	86
Nepidae	6	55
Nepticulidae	20	735
Nereididae	29	661
Neriidae	6	16
Nerillidae	13	79
Neritidae	14	196
Neritiliidae	2	7
Neritopsidae	2	2
Nesameletidae	3	11
Nesomyidae	19	144
Nesticidae	18	194
Nettastomatidae	7	53
Netzeliidae	3	11
Neuradaceae	3	5
Neurochaetidae	1	2
Neurostigmatidae	1	2
Nevrorthidae	3	11
Newnesiidae	2	3
Newtoniellidae	1	1
Nibbleridae	2	6
Nicodamidae	4	14
Nicoletiidae	18	120
Nicothoidae	5	7
Nidaliidae	3	47
Nidulariaceae	6	103
Nierstraszellidae	1	3
Niessliaceae	10	66
Nigrofomitaceae	1	4
Nigrogranaceae	1	58
Ninidae	3	5
Niphargidae	8	923
Niphatidae	9	89
Niphocepheidae	1	1
Niphonidae	1	1
Nipponopsalididae	1	1
Nippotaeniidae	2	8
Nitidulidae	80	698
Nitrariaceae	4	18
Nitschkiaceae	4	14
Nizymeniaceae	1	2
Nocticolidae	1	78
Noctilionidae	1	4
Noctilucaceae	1	3
Noctuidae	861	7153
Nodosariidae	1	1
Noelaerhabdaceae	3	14
Noetiidae	7	16
Nogodinidae	16	58
Nolellidae	2	4
Nolidae	102	679
Nomeidae	3	47
Nomoclastidae	4	11
Nonionidae	8	38
Nordiidae	11	59
Normanellidae	1	4
Normanichthyidae	1	1
Nosematidae	6	239
Nosodendridae	1	5
Notacanthidae	3	18
Notaeolidiidae	1	1
Noteridae	16	124
Noterocladaceae	1	1
Notheiaceae	1	1
Nothoacremoniaceae	1	4
Nothobranchiidae	15	368
Nothodactylariaceae	1	7
Nothofagaceae	3	34
Nothotylenchidae	1	9
Nothridae	2	186
Nothybidae	1	7
Notiomystidae	1	1
Notobranchaeidae	1	1
Notocheiridae	1	1
Notocomplanidae	1	17
Notocotylidae	12	98
Notocrinidae	1	1
Notodelphyidae	5	8
Notodontidae	357	1822
Notoligotomidae	1	4
Notommatidae	8	27
Notonectidae	7	109
Notonemouridae	21	82
Notoplanidae	2	13
Notopteridae	4	15
Notorotaliidae	3	9
Notoryctidae	1	2
Notoscyphaceae	1	1
Notosudidae	3	20
Nototanaidae	3	3
Nototheniidae	13	74
Notothyladaceae	4	59
Nototrichidae	1	1
Nouriidae	1	1
Novodiniidae	1	8
Nowakowskiellaceae	1	15
Nubeculariidae	2	2
Nucleariidae	1	31
Nuculanidae	7	31
Nuculidae	6	29
Nudacotylidae	1	2
Nullosetigeridae	1	4
Numididae	4	7
Nummulitidae	8	18
Nuttalliellidae	1	2
Nyctaginaceae	30	271
Nycteribiidae	8	123
Nycteridae	1	30
Nyctibatrachidae	2	78
Nyctibiidae	1	7
Nyctiboridae	5	19
Nyctotheridae	2	17
Nygolaimidae	6	34
Nymphaeaceae	6	156
Nymphalidae	548	5397
Nymphidae	4	6
Nymphomyiidae	1	7
Nymphonidae	3	101
Nyssaceae	5	25
Nystiellidae	1	2
Obeliidae	2	38
Obtusifoliaceae	2	3
Occultibambusaceae	6	49
Oceaniidae	5	46
Ochlesidae	1	1
Ochnaceae	38	415
Ochodaeidae	4	10
Ochotonidae	2	69
Ochrolechiaceae	1	43
Ochromonadaceae	2	21
Ochteridae	2	9
Ochyroceratidae	16	373
Ocnerodrilidae	4	30
Ocoidae	1	1
Octacnemidae	2	2
Octineonidae	1	1
Octochaetidae	3	6
Octodontidae	7	22
Octoknemaceae	1	5
Octomacridae	1	6
Octopodidae	31	482
Octopoteuthidae	2	11
Octostigmatidae	1	1
Oculinidae	4	20
Ocypodidae	13	132
Ocyropsidae	1	7
Ocythoidae	1	1
Odacidae	7	8
Odinellidae	1	1
Odiniidae	2	13
Odobenidae	1	1
Odontaspididae	2	3
Odontasteridae	5	13
Odontellaceae	3	30
Odontellidae	3	127
Odontobatrachidae	1	5
Odontobutidae	6	17
Odontoceridae	10	91
Odontocycladidae	1	1
Odontodactylidae	1	14
Odontolaimidae	1	5
Odontopharyngidae	1	1
Odontophoridae	9	35
Odontopygidae	3	5
Odontostomidae	9	26
Odontotremataceae	6	26
Oecobiidae	2	21
Oeconesidae	6	17
Oecophoridae	340	2325
Oedemeridae	25	130
Oedicerotidae	16	72
Oedipodiaceae	1	1
Oedogoniaceae	3	86
Oedogoniomycetaceae	1	4
Oehserchestidae	1	3
Oenonidae	5	27
Oenosandridae	4	13
Oerstediidae	3	67
Oestridae	14	192
Ogcocephalidae	10	56
Ogoveidae	1	1
Ogyrididae	1	6
Ohridiidae	1	2
Oikomonadaceae	1	5
Oikopleuridae	6	35
Oithonidae	3	45
Okadaiidae	1	4
Okellyaceae	1	2
Olacaceae	3	20
Oleaceae	29	595
Oleandraceae	1	14
Oligacanthorhynchidae	6	16
Oligoneuriidae	10	47
Oligotomidae	5	28
Olindiasidae	1	1
Olindiidae	9	216
Oliniaceae	0	0
Olisthodiscaceae	1	2
Olividae	15	142
Ologamasidae	6	125
Olpidiaceae	1	9
Olpidiopsidaceae	1	5
Olpiidae	14	120
Oltmannsiellopsidaceae	2	5
Olveriidae	1	2
Omalisidae	5	8
Omalogyridae	2	6
Omaniidae	2	5
Omethidae	4	14
Ommastrephidae	12	41
Ommatidae	2	2
Ommexechidae	6	6
Omphalometridae	4	7
Omphalotaceae	19	665
Onagraceae	25	473
Oncaeidae	4	46
Onchidiidae	16	134
Onchidorididae	11	47
Onchobothriidae	15	154
Onchocercidae	37	483
Oncholaimidae	13	215
Oncopoduridae	2	6
Oncothecaceae	1	2
Oneirodidae	11	45
Oniscidae	5	6
Oniscigastridae	3	8
Onocleaceae	4	6
Onslowiaceae	2	5
Onuphidae	16	124
Onychiuridae	18	366
Onychocellidae	3	8
Onychognathiidae	2	2
Onychoteuthidae	8	71
Onygenaceae	21	170
Oocystaceae	39	144
Oodiniaceae	2	3
Oogyrodactylidae	4	17
Oonopidae	45	235
Opalinidae	4	23
Opalinopsidae	1	3
Opecoelidae	60	232
Opegraphaceae	16	57
Operculariidae	3	17
Opheliidae	9	154
Ophiacanthidae	22	147
Ophiactidae	7	140
Ophichthidae	29	211
Ophidiasteridae	17	46
Ophidiidae	44	199
Ophioceraceae	3	40
Ophiochitonidae	2	6
Ophiocomidae	9	75
Ophiocordycipitaceae	18	729
Ophiocytiaceae	1	5
Ophiodermatidae	13	67
Ophiodiplostomatidae	1	1
Ophioglossaceae	10	143
Ophiohelidae	2	41
Ophiolepididae	13	109
Ophioleucidae	0	50
Ophiomyxidae	11	50
Ophionereidae	1	47
Ophionereididae	1	3
Ophioparmaceae	3	11
Ophioptidae	1	1
Ophiopyrgidae	0	2
Ophioscolecidae	0	17
Ophiostomataceae	24	1118
Ophiotrichidae	8	255
Ophirinidae	1	2
Ophiuridae	28	195
Ophrydiidae	1	6
Ophryocystidae	2	4
Ophryoscolecidae	14	47
Ophthalmidiidae	1	1
Opiliaceae	11	33
Opilioacaridae	3	9
Opisidae	1	1
Opisotretidae	1	2
Opisthocheiridae	1	1
Opisthocomidae	1	1
Opisthonectidae	2	9
Opisthoproctidae	7	13
Opisthorchiidae	8	59
Opisthoteuthidae	3	28
Opisthotrematidae	3	3
Opistocystidae	1	1
Opistognathidae	3	40
Oplegnathidae	1	8
Oplitidae	1	4
Oplophoridae	8	68
Opomyzidae	3	195
Opostegidae	4	43
Oppiidae	16	562
Orbiliaceae	15	572
Orbiniidae	13	133
Orbitestellidae	2	4
Orchesellidae	4	668
Orchidaceae	900	11689
Orchipedidae	1	2
Orchistomatidae	1	3
Orchitophryidae	5	18
Orculidae	6	45
Ordosporidae	1	2
Oreasteridae	13	58
Orectolobidae	3	31
Oreellidae	1	2
Oregoniidae	6	10
Oreohelicidae	1	127
Oreoleptidae	1	1
Oreosomatidae	4	8
Oribatellidae	1	130
Oribatulidae	6	1619
Oribellidae	2	5
Oribotritiidae	3	89
Orientocreadiidae	1	13
Oripodidae	1	52
Orithyiidae	1	1
Ormyridae	4	74
Ornithorhynchidae	1	1
Ornithostrongylidae	0	1
Orobanchaceae	93	1423
Orobdellidae	1	27
Orosphaeridae	2	2
Orphellaceae	1	12
Orsodacnidae	2	8
Orsolobidae	14	67
Orthalicidae	22	127
Ortheziidae	4	20
Orthodonellidae	2	23
Orthodontiaceae	4	14
Orthogonacladiaceae	2	6
Ortholineidae	3	23
Orthonychidae	1	3
Orthorrhynchiaceae	1	1
Orthoseiraceae	1	5
Orthostichellaceae	6	19
Orthotrichaceae	31	292
Orussidae	5	12
Orycteropodidae	1	2
Oryidae	3	6
Osangulariidae	1	1
Oscarellidae	2	51
Osmeridae	5	14
Osmundaceae	7	24
Osmylidae	17	72
Osphronemidae	14	169
Osstellidae	1	1
Osteoglossidae	4	14
Ostiactinidae	1	1
Ostraciidae	6	29
Ostracoberycidae	1	2
Ostreidae	15	330
Ostreobiaceae	1	182
Ostreopsidaceae	4	278
Otariidae	7	16
Otididae	11	26
Otinidae	2	4
Otionellidae	1	1
Otobothriidae	8	14
Otocelididae	3	10
Otocepheidae	1	2
Otoconchidae	1	1
Otohydridae	1	1
Otomesostomatidae	1	1
Otopheidomenidae	2	2
Otoplanidae	16	70
Ototyphlonemertidae	1	57
Ottiaceae	2	2
Oulastreidae	1	4