Alphabetical Listing of Families within this Taxa Group:
family     Abylidae T4002123
family     Abyssoanthidae T4007868
family     Acanthephyridae T4003613
family     Acanthoaxiidae T4007882
family     Acanthogorgiidae T4008487
family     Acartiidae T4001907
family     Acidopsidae T4009449
family     Acidostomatidae T4016620
family     Acoetidae T4008455
family     Acrocirridae T4008433
family     Acrophytidae T4008591
family     Acroporidae T4007835
family     Acrossotidae T4008565
family     Acteonidae T4017124
family     Actiniidae T4002132
family     Actinostolidae T4009128
family     Aeginidae T4002124
family     Aegisthidae T4001930
family     Aeglidae T4008561
family     Aeolidiidae T4009120
family     Aequoreidae T4007784
family     Aethridae T4017131
family     Aetideidae T4000856
family     Agalmatidae T4001072
family     Agariciidae T4007836
family     Aglaopheniidae T4008450
family     Aiptasiidae T4009129
family     Alatinidae T4008548
family     Albuneidae [Hippoidea] T4004264
family     Alciopidae T4000993
family     Alcyoniidae T4008484
family     Aliciidae T4009130
family     Alloposidae T4003457
family     Alpheoidea T4004265
family     Alvinellidae T4008534
family     Alvinocarididae [Bresilioidea] T4004753
family     Ameiridae T4003528
family     Ampeliscidae T4003338
family     Ampharetidae T4008603
family     Amphianthidae T4009187
family     Amphilochidae T4009390
family     Amphinomidae T4009188
family     Amphitretidae T4003520
family     Amphiuridae T4010010
family     Ampithoidae T4016475
family     Anchistioididae [Palaemonoidea] T4004683
family     Ancinidae T4016612
family     Ancorabolidae T4003917
family     Anelasmatidae T4006374
family     Anisogammaridae T4016476
family     Anthemiphylliidae T4007837
family     Anthothelidae T4008494
family     Anthuridae T4016602
family     Antipathidae T4008475
family     Aoridae T4009391
family     Aphanipathidae T4008618
family     Aphroditidae T4008434
family     Aplysiidae T4017194
family     Apolemiidae T4007815
family     Aporrhaidae T4008468
family     Arachnactidae T4003508
family     Archaeobalanidae T4003489
family     Archaeoscinidae T4003699
family     Archinotodelphyidae T4000714
family     Arcticidae T4008426
family     Arcturidae T4008483
family     Arenicolidae T4007773
family     Arenopontiidae T4003926
family     Argestidae T4003927
family     Argonautidae T4002234
family     Arietellidae T4001931
family     Aristeidae [Penaeoidea] T4003908
family     Aristiidae T4016609
family     Armadillidiidae T4016606
family     Artotrogidae T4004059
family     Arulidae T4008579
family     Ascidiidae T4003318
family     Ascidiocolidae T4004060
family     Asellidae T4016607
family     Aspidosiphonidae T4009124
family     Asplanchnidae T4002169
family     Astacidae [Astacoidea] T4004762
family     Asteriidae T4009142
family     Asterinidae T4009144
family     Asterocheridae T4000879
family     Asteronychidae T4009548
family     Astrocoeniidae T4007838
family     Atelecyclidae [Cancroidea:Heterotremata] T4004763
family     Atlantidae T4000807
family     Atlantidiidae T4000179
family     Atollidae T4007810
family     Atyidae [Atyoidea] T4004765
family     Atylidae T4016624
family     Augaptilidae T4000979
family     Austrobalanidae T4008627
family     Axianassidae T4007878
family     Axiidae T4003341
family     Balanidae T4000772
family     Balellidae T4008552
family     Bateidae T4016608
family     Bathypalaemonellidae [Campylonotoidea] T4004768
family     Bathypontiidae T4001933
family     Bathyporeiidae T4009429
family     Bathyteuthidae T4002235
family     Belliidae [Aethroidea:Heterotremata] T4006399
family     Benthesicymidae [Panaeoidea] T4004290
family     Bentheuphausiidae T4003880
family     Beroidae T4001952
family     Blackfordiidae T4007787
family     Blepharipodidae T4008570
family     Bodotriidae T4008318
family     Bolinopsidae T4001955
family     Boloceroididae T4009131
family     Bomoochidae T4003918
family     Bonelliidae T4009400
family     Bonneviellidae T4007789
family     Bopyridae T4000771
family     Boreohydridae T4021096
family     Bosminidae [Anomopoda] T4001875
family     Bougainvilliidae T4002136
family     Brachionidae T4002167
family     Brachioteuthidae T4003452
family     Brachyscelidae T4009399
family     Branchiostomatidae T4001201
family     Bresiliidae T4008481
family     Briareidae T4008543
family     Brissidae T4009661
family     Bryocryptellidae T4003257
family     Buccinidae T4008424
family     Bythograeidae [Bythograeoidea:Heterotremata] T4004773
family     Bythotiaridae T4008531
family     Cabiropidae T4003535
family     Calanidae T4000003
family     Calappidae [Calappoidea:Heterotremata] T4004317
family     Calianassidae T4004382
family     Caligidae T4003282
family     Callianideidae T4004440
family     Calliopiidae T4003530
family     Calliostomatidae T4009444
family     Calyconectae T4000837
family     Calyptraeidae T4008423
family     Cambaridae [Astacoidea] T4006304
family     Cambaroididae T4008588
family     Campanulariidae T4002129
family     Campanulinidae T4007777
family     Camptandriidae [Ocypodoidea:Thoracotremata] T4004443
family     Campylonotidae [Campylonotoidea] T4006302
family     Cancerillidae T4003934
family     Cancridae T4003677
family     Candaciidae T4000219
family     Candelabridae T4008448
family     Canthocamptidae T4003928
family     Canuellidae T4003758
family     Capitellidae T4002191
family     Caprellidae T4000542
family     Capulidae T4008422
family     Carcinidae [Portunoidea:Heterotremata] T4004321
family     Cardiidae T4009657
family     Carinariidae T4000064
family     Carpiliidae T4009407
family     Carukiidae T4008571
family     Carybdeidae T4003158
family     Caryophylliidae T4002131
family     Cassiopeidae T4009148
family     Catostylidae T4009149
family     Cavoliniidae T4000697
family     Cebocaridae T4003344
family     Centropagidae T4001179
family     Cepheidae T4009150
family     Cercopagididae [Onychopoda] T4003218
family     Cerianthidae T4002133
family     Chaetiliidae T4016486
family     Chaetopteridae T4008431
family     Chasmocarcinidae [Goneplacoidea:Heterotremata] T4004449
family     Cheiragonidae [Cheiragonoidea:Heterotremata] T4006378
family     Cheirocratidae T4009419
family     Chelonibiidae [Coronuloidea] T4006394
family     Chirodropidae T4003159
family     Chiropsalmidae T4008551
family     Chirostylidae [Chirostyloidea] T4004788
family     Chiroteuthidae T4002236
family     Chlorotocellidae T4008595
family     Chondracanthidae T4003919
family     Chrysogorgiidae T4008488
family     Chrysopetalidae T4008438
family     Chtenopterygidae T4003185
family     Chthamalidae [Chthamaloidea] T4006393
family     Cionidae T4007792
family     Cirolanidae T4009140
family     Cirratulidae T4008432
family     Cladocorynidae T4008458
family     Cladonematidae T4015797
family     Cladopathidae T4008619
family     Clathrozoidae T4007854
family     Clathurellidae T4008516
family     Clausidiidae T4003480
family     Clausocalanidae T4001895
family     Clausophyidae T4007812
family     Clavelinidae T4008476
family     Clavulariidae T4008485
family     Cletodidae T4003915
family     Cliidae T4003509
family     Clionidae T4002230
family     Cliopsidae T4008469
family     Clistosaccidae T4008507
family     Clytemnestridae T4003221
family     Coelogorgiidae T4008566
family     Coeloplanidae T4008540
family     Coenobitidae [Paguroidea] T4004455
family     Collothecidae T4002170
family     Coralliidae T4008495
family     Corallimorphidae T4008471
family     Cordagalmatidae T4003510
family     Cordylophoridae T4008563
family     Corellidae T4007793
family     Cornulariidae T4008498
family     Coronulidae [Coronuloidea] T4006395
family     Corophiidae T4009455
family     Corycaeidae T4000484
family     Corymbophytidae T4008592
family     Corymorphidae T4002128
family     Corynidae T4002122
family     Coryphellidae T4009157
family     Corystidae [Corystoidea:Heterotremata] T4006376
family     Coscinaraeidae T4007890
family     Cranchiidae T4001268
family     Crangonidae T4003412
family     Crangonyctidae T4016975
family     Craterolophidae T4008567
family     Creseidae T4003511
family     Cressidae T4015798
family     Crossotonotidae T4009423
family     Cryptochiridae [Cryptochiroidea:Thoracotremata] T4004794
family     Cuninidae T4007785
family     Cuspidariidae T4009547
family     Cuvierinidae T4003512
family     Cyaneidae T4002139
family     Cyclocaridae T4009431
family     Cyclopettidae T4008558
family     Cyclopidae T4003215
family     Cyclopinidae T4003284
family     Cycloteuthidae T4003187
family     Cylichnidae T4009645
family     Cylindropsyllidae T4003929
family     Cylisticidae T4016501
family     Cymbuliidae T4009190
family     Cymonomidae T4009138
family     Cymothoidae T4016485
family     Cyphocarididae T4003492
family     Cypridinidae T4009580
family     Cystisomatidae T4003537
family     Dacryopilumnidae T4009420
family     Dactylopusiidae T4003513
family     Dairidae T4015822
family     Dairoididae [Eriphioidea:Heterotremata] T4006309
family     Daphniidae [Anomopoda] T4003217
family     Darcythompsoniidae T4015799
family     Deltocyathidae T4007887
family     Dendrogastridae T4006433
family     Dendronotidae T4009118
family     Dendrophylliidae T4007803
family     Dentaliidae T4008425
family     Desmopteridae T4002237
family     Desmosomatidae T4016520
family     Dexaminidae T4009439
family     Diadumenidae T4009132
family     Diaixidae T4001936
family     Diaphanidae T4009660
family     Diaptomidae T4001908
family     Diastylidae T4003443
family     Diazonidae T4008518
family     Dichelesthiidae T4003935
family     Didemnidae T4008477
family     Dinonemertidae T4009405
family     Dinophilidae T4008524
family     Diogenidae [Paguroidea] T4004293
family     Diphyidae T4002127
family     Diploastreidae T4007892
family     Dirivultidae T4003936
family     Disciadidae [Bresilioidea] T4004801
family     Discoidae T4001937
family     Discosomidae T4008584
family     Doliolidae T4000151
family     Doliopsidae T4003448
family     Domeciidae [Trapezioidea:Heterotremata] T4006383
family     Donacidae T4009647
family     Dorididae T4017128
family     Dorippidae [Dorippoidea:Heterotremata] T4004805
family     Dorvilleidae T4003275
family     Dotidae T4015794
family     Dotillidae T4009426
family     Dromiidae T4009193
family     Drymonematidae T4007900
family     Dulichiidae T4009409
family     Dynomenidae T4001311
family     Echinidae T4009649
family     Echinoptilidae T4007845
family     Ectinosomatidae T4003200
family     Edwardsiidae T4009133
family     Eirenidae T4003585
family     Electridae T4003308
family     Ellisellidae T4008489
family     Enoplometopidae [Enoplometopoidea] T4004808
family     Enoploteuthidae T4001035
family     Entoniscidae T4016604
family     Eolepadidae T4006403
family     Epialtidae T4003429
family     Epimeriidae T4009392
family     Epitoniidae T4003519
family     Epizoanthidae T4008472
family     Erennidae T4007856
family     Ergasilidae T4003920
family     Eriphiidae [Eriphioidea:Heterotremata] T4004319
family     Eryonidae T4000195
family     Ethusidae [Dorippoidea:Heterotremata] T4006308
family     Eubranchidae T4009121
family     Eucalanidae T4000361
family     Euchaetidae T4001356
family     Euchlanidae T4002171
family     Eucopiidae T4003440
family     Eudactylinidae T4004061
family     Eudendriidae T4008449
family     Eugonatonotidae [Nematocarcinoidea] T4006305
family     Eukrohniidae [Phragmophora] T4002270
family     Eulepethidae T4008436
family     Eulimnogammaridae T4016526
family     Eumunididae [Chirostyloidea] T4006313
family     Eunicidae T4007775
family     Euphausiidae T4000133
family     Euphrosinidae T4015795
family     Euphylliidae T4007852
family     Eupronoidae T4003484
family     Euryplacidae [Goneplacoidea:Heterotremata] T4004479
family     Euryrhynchidae T4008537
family     Eusiridae T4009393
family     Euterpinidae T4003213
family     Fabriciidae T4007829
family     Faviidae T4008331
family     Fibulariidae T4015800
family     Filiniidae T4002172
family     Fissurellidae T4009436
family     Flabellidae T4007804
family     Flabelligeridae T4003494
family     Flabellinidae T4009119
family     Flustridae T4003561
family     Forskaliidae T4015807
family     Fosshageniidae T4003212
family     Fritillariidae T4000782
family     Fungiacyathidae T4007805
family     Fungiidae T4007839
family     Galatheidae [Galatheoidea] T4001079
family     Gammaracanthidae T4016477
family     Gammarellidae T4009394
family     Gammaridae T4000417
family     Gardineriidae T4015815
family     Gecarcinidae [Grapsoidea:Thoracotremata] T4006303
family     Gecarcinucidae [Gecarcinucoidea:Heterotremata] T4006381
family     Geryonidae [Portunoidea:Heterotremata] T4006321
family     Geryoniidae T4002142
family     Glyceridae T4003290
family     Glycymerididae T4009389
family     Glypheidae [Glypheoidea] T4006438
family     Glyphocrangonidae [Crangonoidea] T4004827
family     Gnathiidae T4003765
family     Gnathophausiidae T4007801
family     Golfingiidae T4007782
family     Gonactiniidae T4009134
family     Gonatidae T4002238
family     Goneplacidae [Goneplacoidea:Heterotremata] T4004318
family     Goniadidae T4008440
family     Goniasteridae T4009198
family     Goniodorididae T4009387
family     Gorgoniidae T4008490
family     Gourretiidae T4004693
family     Grapsidae T4001136
family     Halacaridae T4000550
family     Halcampidae T4009135
family     Haleciidae T4007778
family     Haliclystidae T4008587
family     Halicreatidae T4002126
family     Halimedusidae T4008553
family     Halipteridae T4008499
family     Haloclavidae T4003419
family     Halocyprididae T4001918
family     Halopterididae T4008463
family     Hapalogastridae [Lithodoidea] T4006314
family     Harpacticidae T4000820
family     Hatschekiidae T4003937
family     Haustoriidae T4009395
family     Hebellidae T4007844
family     Helioporidae T4015809
family     Heloeciidae [Ocypodoidea:Thoracotremata] T4006312
family     Heroidae T4009126
family     Hesionidae T4008439
family     Heterokrohniidae [Phragmophora] T4003518
family     Heterorhabdidae T4000949
family     Hexapodidae [Hexapodoidea:Heterotremata] T4004836
family     Hippidae [Hippoidea] T4001312
family     Hippolytidae T4000752
family     Hippopodiidae T4002140
family     Histioteuthidae T4001892
family     Holognathidae T4016487
family     Holozoidae T4008519
family     Homolidae [Homoloidea:Podotremata] T4006437
family     Hyalellidae T4016490
family     Hyalidae T4009440
family     Hydractiniidae T4003588
family     Hydrichthyidae T4008465
family     Hydridae T4015808
family     Hydrobiidae T4008597
family     Hydrozoanthidae T4008569
family     Hymenosomatidae [Hymenosomatoidea:Heterotremata] T4004840
family     Hyperiidae T4000495
family     Hypothalassiidae T4009421
family     Idoteidae T4003242
family     Idyanthidae T4003944
family     Ifalukellidae T4008544
family     Ikedidae T4009415
family     Inachidae [Majoidea:Heterotremata] T4004320
family     Inachoididae [Majoidea:Heterotremata] T4004682
family     Iphionidae T4008525
family     Ischyroceridae T4009456
family     Isididae T4008491
family     Janiridae T4009139
family     Janthinidae T4000224
family     Kamakidae T4016627
family     Keroeididae T4008527
family     Kirchenpaueriidae T4008464
family     Kishinouyeidae T4003479
family     Kiwaidae T4008539
family     Kophobelemnidae T4008500
family     Krohnittidae [Aphramophora] T4002271
family     Kroyeriidae T4007818
family     Kudoidae T4009404
family     Lacydoniidae T4008441
family     Lafoeidae T4007779
family     Lamippidae T4008505
family     Lampropidae T4016481
family     Lanceolidae T4003402
family     Laodiceidae T4002148
family     Laomediidae T4004295
family     Laophontidae T4003574
family     Latreilliidae T4017129
family     Lepadidae T4003278
family     Lepechinellidae T4016478
family     Lepetidae T4002226
family     Lepidochitonidae T4009664
family     Lepidoteuthidae T4002239
family     Leptanthuridae T4016605
family     Leptastacidae T4003930
family     Leptocheliidae T4016981
family     Leptochitonidae T4009545
family     Leptodoridae [Haplopoda] T4003496
family     Leptophytidae T4008593
family     Leptopontiidae T4003931
family     Lernaeopodidae T4003938
family     Lernanthropidae T4003939
family     Lestrigonidae T4003423
family     Leuconidae T4016482
family     Lichomolgidae T4003921
family     Ligiidae T4008510
family     Liljeborgiidae T4016623
family     Limacinidae T4002227
family     Limnoriidae T4016970
family     Lipkeidae T4008508
family     Lithodidae [Lithodoidea] T4004861
family     Lithotelestidae T4008550
family     Littorinidae T4008596
family     Lobonematidae T4009165
family     Lobophylliidae T4007897
family     Loliginidae T4003191
family     Lomisidae T4015818
family     Longipediidae T4003548
family     Longosomatidae T4008456
family     Lopadorrhynchidae T4003293
family     Louriniidae T4007799
family     Lovenellidae T4007780
family     Loveniidae T4015835
family     Lubbockiidae T4003208
family     Lucernariidae T4015806
family     Lucicutiidae T4001871
family     Luciferidae [Sergestoidea] T4000169
family     Lumbrineridae T4007776
family     Lychnorhizidae T4009166
family     Lycoteuthidae T4007783
family     Lysianassidae T4001325
family     Lysiosquillidae T4003482
family     Macrochironidae T4003661
family     Macrophthalmidae [Ocypodoidea:Thoracotremata] T4006330
family     Macrostylidae T4016483
family     Mactridae T4008602
family     Maeridae T4015823
family     Magapiidae T4008568
family     Magelonidae T4008429
family     Majidae [Majoidea:Heterotremata] T4004374
family     Malagazziidae T4007788
family     Maldanidae T4008289
family     Mangeliidae T4008515
family     Margaritidae T4003527
family     Margelopsidae T4008454
family     Mastigiidae T4009151
family     Mastigoteuthidae T4002228
family     Mathildellidae [Goneplacoidea:Heterotremata] T4004529
family     Matutidae [Calappoidea:Heterotremata] T4004530
family     Meandrinidae T4007840
family     Mecynoceridae T4003210
family     Megacalanidae T4001901
family     Megaluropidae T4016479
family     Megapontiidae T4007819
family     Melicertidae T4002143
family     Melithaeidae T4008616
family     Melitidae T4009396
family     Membraniporidae T4003311
family     Menippidae [Eriphioidea:Heterotremata] T4004686
family     Mertensiidae T4001957
family     Merulinidae T4007841
family     Mesaiokeratidae T4007796
family     Metidae T4003551
family     Metridiidae T4001165
family     Metridinidae T4001873
family     Micrabaciidae T4007832
family     Microphasmidae T4009428
family     Microprotopidae T4009430
family     Microzoanthidae T4008574
family     Micruropodidae T4016527
family     Mictyridae [Ocypodoidea:Thoracotremata] T4004725
family     Milleporidae T4015811
family     Miraciidae T4003207
family     Misophriidae T4009402
family     Mithracidae [Majoidea:Heterotremata] T4004704
family     Mitrocomidae T4002144
family     Moerisiidae T4008460
family     Molgulidae T4008285
family     Monstrillidae T4003259
family     Montastraeidae T4007893
family     Mormonillidae T4001174
family     Munididae [Galatheoidea] T4003353
family     Munidopsidae T4008572
family     Munnopsidae T4003356
family     Muricidae T4008599
family     Myicolidae T4008506
family     Myriopathidae T4008546
family     Mysidae T4000220
family     Mytilicolidae T4003958
family     Mytilidae T4002240
family     Nannopodidae T4007881
family     Nanozoanthidae T4008585
family     Nassariidae T4003769
family     Naticidae T4008598
family     Nausithoidae T4007811
family     Neanuridae T4003533
family     Nebaliidae T4016971
family     Nematocarcinidae [Nematocarcinoidea] T4004891
family     Neoteuthidae T4002241
family     Nephropidae T4003545
family     Nephtheidae T4008509
family     Nephtyidae T4003295
family     Nereididae T4001415
family     Nerillidae T4008444
family     Nicothoidae T4003940
family     Nidaliidae T4008528
family     Normanellidae T4003272
family     Notobranchaeidae T4008470
family     Notodelphyidae T4003925
family     Nuculanidae T4009437
family     Nullosetigeridae T4003280
family     Nuuanuidae T4009432
family     Oceaniidae T4008532
family     Octacnemidae T4007794
family     Octopodidae T4002244
family     Octopoteuthidae T4002242
family     Oculinidae T4007806
family     Ocypodidae [Ocypodoidea:Thoracotremata] T4004390
family     Ocythoidae T4003471
family     Oedicerotidae T4000754
family     Oenonidae T4007786
family     Oikopleuridae T4000736
family     Oithonidae T4000828
family     Olindiidae T4008573
family     Ommastrephidae T4001271
family     Oncaeidae T4001045
family     Onchidorididae T4009388
family     Oniscidae T4016972
family     Onuphidae T4008295
family     Onychoteuthidae T4001128
family     Opheliidae T4008290
family     Ophiactidae T4015803
family     Ophiopholidae T4015828
family     Ophioscolecidae T4009567
family     Ophiotrichidae T4015804
family     Ophiuridae T4009662
family     Opisidae T4016496
family     Oplophoridae [Oplophoroidea] T4004905
family     Orbiniidae T4003288
family     Oregoniidae T4003264
family     Orithyiidae T4009422
family     Ostreidae T4009438
family     Oulastreidae T4007913
family     Ovalipidae [Portunoidea:Heterotremata] T4004737
family     Ovulidae T4008607
family     Oweniidae T4003304
family     Oxycephalidae T4003399
family     Oziidae [Eriphioidea:Heterotremata] T4004696
family     Pachynidae T4016610
family     Paguridae [Paguroidea] T4001220
family     Palaemonidae T4003673
family     Palicidae [Palicoidea:Heterotremata] T4004911
family     Palinuridae [Palinuroidea] T4000158
family     Pandalidae T4003406
family     Pandaridae T4003409
family     Pandeidae T4002137
family     Panopeidae [Xanthoidea:Heterotremata] T4004673
family     Paracalanidae T4001255
family     Paragorgiidae T4008496
family     Paralacydoniidae T4008457
family     Paralcyoniidae T4008497
family     Paramesochridae T4003932
family     Paramphithoidae T4016622
family     Paramunnidae T4016484
family     Paranthuridae T4016603
family     Paraonidae T4007772
family     Parapaguridae [Paguroidea] T4004579
family     Paraphronimidae T4003283
family     Parapontellidae T4003725
family     Parasphaerascleridae T4007898
family     Parastacidae [Parastacoidea] T4006388
family     Parastenocarididae T4008319
family     Parazoanthidae T4008473
family     Pardaliscidae T4003367
family     Parechinidae T4009652
family     Parergodrilidae T4008428
family     Parthenopidae [Parthenopoidea:Heterotremata] T4004919
family     Pasiphaeidae [Pasiphaeoidea] T4004920
family     Pectinariidae T4003422
family     Pectinidae T4009454
family     Pelagiidae T4002138
family     Peltidiidae T4003279
family     Peltogastridae T4015805
family     Penaeidae [Penaeoidea] T4000511
family     Pennatulidae T4008501
family     Pennellidae T4003941
family     Peraclidae T4009127
family     Percnidae T4003481
family     Periphyllidae T4003370
family     Perophoridae T4007795
family     Petalophthalmidae T4007044
family     Phacellophoridae T4007911
family     Phaennidae T4001253
family     Pharidae T4009648
family     Phascolionidae T4007781
family     Phascolosomatidae T4009125
family     Phialellidae T4003603
family     Philichthyidae T4003950
family     Philinidae T4009656
family     Philodinidae T4002173
family     Philosciidae T4016500
family     Pholadidae T4009659
family     Pholoidae T4008435
family     Phoronidae T4001814
family     Photidae T4009406
family     Phoxocephalidae T4000753
family     Phronimidae T4000402
family     Phrosinidae T4003244
family     Phyllodocidae T4001416
family     Phyllognathopodidae T4007800
family     Physaliidae T4002145
family     Physophoridae T4007816
family     Pilargidae T4008608
family     Pilumnidae T4003485
family     Pilumnoididae [Pseudozioidea:Heterotremata] T4006982
family     Pinnotheridae T4003373
family     Pionodesmotidae T4008562
family     Plagusiidae [Grapsoidea:Thoracotremata] T4006306
family     Platycopiidae T4009147
family     Platyscelidae T4003243
family     Platyxanthidae [Eriphioidea:Heterotremata] T4004697
family     Plesiastreidae T4007912
family     Pleurobrachiidae T4001959
family     Pleustidae T4003576
family     Plexauridae T4008492
family     Plumaleciidae T4008594
family     Plumulariidae T4008451
family     Pneumodermatidae T4001977
family     Pocilloporidae T4007807
family     Podoceridae T4016480
family     Podonidae [Onychopoda] T4001967
family     Poecilochaetidae T4008430
family     Pollicipedidae T4006375
family     Polybiidae T4003543
family     Polychelidae T4004604
family     Polycitoridae T4008478
family     Polyclinidae T4008479
family     Polygordiidae T4008445
family     Polynoidae T4002189
family     Polyphemidae [Onychopoda] T4003555
family     Pontellidae T4000449
family     Pontoeciellidae T4003262
family     Pontogammaridae T4016498
family     Pontogeneiidae T4016495
family     Pontoporeiidae T4003705
family     Porcellanidae [Galatheoidea] T4000853
family     Porcellidiidae T4003933
family     Porcellionidae T4016502
family     Poritidae T4007842
family     Porpitidae T4002130
family     Portunidae T4001025
family     Potamidae T4009448
family     Potamonautidae T4009450
family     Prayidae T4008322
family     Primnoidae T4008493
family     Proboscidactylidae T4002146
family     Processidae [Processoidea] T4004294
family     Protodrilidae T4008446
family     Protodriloididae T4008526
family     Protohydridae T4008461
family     Protoptilidae T4008502
family     Psalidopodidae [Psalidopodoidea] T4006380
family     Psammocoridae T4007891
family     Psammocyclopinidae T4003946
family     Psammodrilidae T4008453
family     Pseudaanthessiidae T4003966
family     Pseudidotheidae T4016491
family     Pseudocumatidae T4007798
family     Pseudocyclopidae T4003924
family     Pseudocycnidae T4003942
family     Pseudodiaptomidae T4003260
family     Pseudodistomidae T4008538
family     Pseudorhombilidae [Xanthoidea:Heterotremata] T4004695
family     Pseudosquillidae T4016973
family     Pseudotachidiidae T4003476
family     Pseudothelphusidae [Pseudothelphusoidea:Heterotremata] T4006400
family     Pseudoziidae [Pseudozioidea:Heterotremata] T4006382
family     Pterosagittidae [Aphramophora] T4002272
family     Pterotracheidae T4008530
family     Ptilocodiidae T4008466
family     Ptychogastriidae T4007790
family     Pylochelidae [Paguroidea] T4004616
family     Pyrgomatidae [Balanoidea] T4006401
family     Pyrosomatidae T4000102
family     Pyroteuthidae T4002245
family     Pyuridae T4008286
family     Raninidae [Raninoidea:Podotremata] T4006445
family     Raphitomidae T4008517
family     Rataniidae T4003214
family     Rathkeidae T4002147
family     Rhincalanidae T4001896
family     Rhizangiidae T4007808
family     Rhizophysidae T4007814
family     Rhizostomatidae T4009152
family     Rhizotrichidae T4015827
family     Rhodaliidae T4007817
family     Rhopalonematidae T4002125
family     Rhynchocinetidae [Nematocarcinoidea] T4004947
family     Rhynchomolgidae T4003954
family     Ricordeidae T4008541
family     Rostrocalanidae T4003845
family     Ryocalanidae T4007797
family     Sabellariidae T4009123
family     Sabellidae T4008296
family     Saccocirridae T4008447
family     Saccopsidae T4004057
family     Saccosporidae T4009186
family     Sacculinidae T4006377
family     Sagartiidae T4009136
family     Sagittidae [Aphragmophora] T4002269
family     Salpidae T4000203
family     Sapphirinidae T4000194
family     Scalibregmatidae T4007774
family     Scalopidiidae [Goneplacoidea:Heterotremata] T4004699
family     Scalpellidae T4006392
family     Scaphandridae T4009644
family     Schizopathidae T4008547
family     Schizotrichidae T4008590
family     Scinidae T4001224
family     Scleractinia incertae sedis T4007857
family     Scolecitrichidae T4000769
family     Scopelocheiridae T4009442
family     Scyllaridae T4004297
family     Scyllaridea [Pallinuroidea] T4000547
family     Semelidae T4010009
family     Sepiolidae T4003461
family     Sergestidae [Sergestoidea] T4000127
family     Serpulidae T4001408
family     Sertularellidae T4008589
family     Sertulariidae T4008452
family     Sesarmidae [Grapsoidea:Thoracotremata] T4004954
family     Siboglinidae T4007802
family     Sicafodiidae T4016508
family     Sicyoniidae [Panaeoidea] T4004291
family     Siderastreidae T4007843
family     Sididae [Ctenopoda] T4003199
family     Sigalionidae T4008437
family     Sipunculidae T4000176
family     Smirnovipinidae T4003717
family     Solanderiidae T4015816
family     Solasteridae T4009146
family     Solenoceridae [Panaeoidea] T4004292
family     Solmarisidae T4003606
family     Solmundaeginidae T4003504
family     Spadellidae [Phragmophora] T4003314
family     Spatangidae T4015802
family     Speleoithonidae T4008559
family     Speleophriidae T4009403
family     Sphaerocorynidae T4008462
family     Sphaerodoridae T4008442
family     Sphaeromatidae T4009141
family     Sphaeronectidae T4007813
family     Sphenopidae T4008542
family     Sphyriidae T4004062
family     Spinocalanidae T4001030
family     Spionidae T4000407
family     Splanchnotrophidae T4008560
family     Spongicolidae T4004635
family     Spongiodermidae T4008586
family     Squillidae T4003266
family     Stachyptilidae T4007853
family     Stegocephalidae T4003572
family     Stenocyathidae T4007879
family     Stenopodidae T4004367
family     Stenothoidae T4009441
family     Stephidae T4003281
family     Sternaspidae T4015796
family     Stichasteridae T4009155
family     Stichodactylidae T4009164
family     Stilipedidae T4003396
family     Stomolophidae T4009167
family     Strongylocentrotidae T4015801
family     Styelidae T4008252
family     Stylasteridae T4008467
family     Stylodactylidae [Stylodactyloidea] T4004962
family     Subergorgiidae T4008529
family     Subeucalanidae T4001858
family     Sugiuridae T4007855
family     Sulcanidae T4003945
family     Syllidae T4002193
family     Symplectoscyphidae T4007910
family     Synapticolidae T4003972
family     Synchaetidae T4002168
family     Synopiidae T4016601
family     Tachidiidae T4003516
family     Taeniacanthidae T4003922
family     Taiaroidae T4008545
family     Talitridae T4009397
family     Tamoyidae T4008549
family     Tanaellidae T4016974
family     Tanaochelidae T4009424
family     Tegastidae T4003499
family     Tellinidae T4009658
family     Temoridae T4001910
family     Terebellidae T4008604
family     Tetraclitidae [Tetraclitoidea] T4006396
family     Tetragonicipitidae T4004063
family     Tetraliidae [Trapezioidea:Heterotremata] T4006384
family     Tetraplatiidae T4002149
family     Thalassematidae T4009401
family     Thalassinidae T4004639
family     Thalestridae T4003201
family     Tharybidae T4001083
family     Thaumatopsyllidae T4008480
family     Themistidae T4007851
family     Thiidae [Portunoidea:Heterotremata] T4004642
family     Thoridae T4003619
family     Thraciidae T4009546
family     Thyasiridae T4009646
family     Thyroscyphidae T4008533
family     Tiarannidae T4003351
family     Tiaropsidae T4003150
family     Tisbidae T4003265
family     Tomopteridae T4000096
family     Tortanidae T4003232
family     Trachelipodidae T4016503
family     Trapezidae T4001421
family     Trapeziidae T4001697
family     Travisiidae T4007858
family     Tremoctopodidae T4003180
family     Trichobranchidae T4008443
family     Trichodactylidae T4009451
family     Trichoniscidae T4016499
family     Trichopeltariidae [Trichopeltarioidea:Heterotremata] T4006389
family     Tritoniidae T4009117
family     Trochidae T4002233
family     Trochosphaeridae T4003517
family     Tryphosidae T4016497
family     Tubiporidae T4015810
family     Tubulariidae T4002141
family     Turbinoliidae T4007809
family     Tylidae T4016488
family     Typhlocarididae T4008576
family     Typhloscolecidae T4002190
family     Ulmaridae T4002135
family     Unciolidae T4016523
family     Upogebiidae T4004296
family     Urechidae T4009410
family     Uristidae T4016492
family     Urothoidae T4009398
family     Vampyroteuthidae T4002247
family     Varunidae [Grapsoidea:Thoracotremata] T4006329
family     Velutinidae T4003590
family     Veneridae T4008427
family     Veretillidae T4008503
family     Verrucidae T4003261
family     Vibiliidae T4003245
family     Virgulariidae T4008504
family     Xanthidae T4001041
family     Xarifiidae T4003923
family     Xeniidae T4008486
family     Xenograpsidae T4009425
family     Xiphocarididae T4008575
family     Zancleidae T4008459
family     Zoanthidae T4008474
family     Zosimeidae T4003943
family     zzz incertae sedis T4003525