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Nematodes Genera M to O Family Putative
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Maciela Molineidae animal parasites        
Macramphida Drilonematidae animal parasites        
Macrodontium Microlaimidae marine nematodes       G9151mnu.htm
Macrolaimellus Cephalobidae bacteria feeders 2 3 b2 G2634mnu.htm
Macrolaimus Chambersiellidae bacteria feeders 2 3 b2 G917mnu.htm
Macronchus Leptosomatidae marine nematodes        
Macropicola Chabertiidae animal parasites
Macroponema Chabertiidae animal parasites        
Macropostrongyloides Chabertiidae animal parasites       G9685mnu.htm
Macropostrongylus Chabertiidae animal parasites        
Macrostrongylus Heligmonellidae animal parasites       G3632mnu.htm
Macrotrophurus Dolichodoridae plant feeders 3 1 h3 G071mnu.htm
Mactinolaimus Actinolaimidae omnivores 5 8 o5 G7622mnu.htm
Macuahuitloides Molineidae animal parasites        
Madafilaroides Angiostrongylidae animal parasites       G9586mnu.htm
Madangiostrongylus Angiostrongylidae animal parasites        
Mainspinostrongylus Molineidae animal parasites        
Makatinus Aporcelaimidae omnivores 5 8 o5 G739mnu.htm
Malaistrongylus Heligmonellidae animal parasites        
Malakhovia Andrassyidae marine nemayodes G5921mnu.htm
Malaspinanema Thelastomatidae animal parasites        

Malayocamallanus

 Camallanidae animal parasites        
Malayometastrongylus Angiostrongylidae animal parasites       G9584mnu.htm
Maldivea Oxystominidae marine/freshwater nematodes        
Malekus Nordiidae omnivores 4 8 o4 G7136mnu.htm
Malenchus Tylenchidae plant feeders 2 1 h2 G072mnu.htm
Malvinema Heligmonellidae animal parasites        
Malvinia Ungellidae animal parasites G1852mnu.htm
Mammaidula Heligmonellidae animal parasites        
Mammomonogamus Syngamidae animal parasites        
Manganonema Xyalidae marine nematodes       G388mnu.htm
Mansonella Onchocercidae animal parasites        
Manunema Leptolaimidae bacteria feeders 3 3 b3  
Margaronchuloides Mylonchulidae predators 4 5 p4  
Margaronchulus Mylonchulidae predators 4 5 p4 G6491mnu.htm
Margollus Tylencholaimellidae fungus feeders 4 2 f4  
Margonema Axonolaimidae marine nematodes        
Marimermis  Marimermithidae marine parasites 5 7 p5 G2002mnu.htm
Mariostrongylus Protosrongylidae animal parasites        
Marisalbinema Xyalidae marine nematodes       G38315mnu.htm
Marshallagia Haemonchidae animal parasites        
Marsupostrongylus Angiostrongylidae animal parasites       G9588mnu.htm
Martininema Aphelenchoididae plant feeders 2 2 h2 G2202mnu.htm
Marylynnia Cyatholaimidae marine nematodes       G5222mnu.htm
Maseria Muspiceidae animal parasites        
Mastophorus Spirocercidae animal parasites
Matthesonema Rhabditidae bacteria feeders 1 3 b1 G2251mnu.htm
Maupasina Maupasinidae animal parasites      
Mawsonema Heligmonellidae animal parasites      
Maxomystrongylus Heligmonellidae animal parasites       G3634mnu.htm
Maxvachonia  Cosmocercidae animal parasites       G8605mnu.htm
Mazamastrongylus Haemonchidae animal parasites        
Mbaisonema Chabertiidae animal parasites        
Mbanema Drilonematidae animal parasites        
Mecistocirrus Haemonchidae animal parasites        
Mediolaimus Rhabdolaimidae bacteria feeders 3 3 b3 G460mnu.htm
Megacooperia Cooperiidae animal parasites       G9633mnu.htm
Megadesmolaimus Linhomoeidae marine nematodes        
Megadraconema Draconematidae marine nematodes        
Megaeurystomina Enchelidiidae marine nematodes        
Megalobatrachonema Kathlaniidae animal parasites        
Megamphidelus Amphidelidae bacteria feeders 4 3 b4  
Megaonchulus Mylonchulidae predators 4 5 p4 G6494mnu.htm
Mehdilaimus Axonolaimidae marine nematodes        
Mehdinema Mehdinematidae animal parasites        
Meiodorus Dolichodoridae plant feeders 3 1 h3 G157mnu.htm
Meloidodera Heteroderidae plant feeders 3 1 h3 G073mnu.htm
Meloidoderella Meloidogynidae plant feeders 3 1 h3 G074mnu.htm
Meloidoderita Tylenchulidae plant feeders 3 1 h3 G075mnu.htm
Meloidogyne Meloidogynidae plant feeders 3 1 h3 G076mnu.htm
Meloinema Heteroderidae plant feeders 3 1 h3 G077mnu.htm
Melolonthinimermis Mermithidae animal parasites
Melomystrongylus Heligmonellidae animal parasites        
Mentecle Hystrignathidae animal parasites        
Merlinius Merliniidae plant feeders 3 1 h3 G078mnu.htm
Mermis  Mermithidae animal parasites        
Mertensinema Molineidae animal parasites        
Mesacanthion Thoracostomopsidae marine predators       G5953mnu.htm
Mesacanthoides Thoracostomopsidae marine predators        
Mesamidostomum Trichostrongylidae animal parasites        
Mesidionema Mesidionematidae animal parasites        
Mesoanguina Anguinidae plant feeders 2 1 h2 G0061mnu.htm
Mesocriconema Criconematidae plant feeders 3 1 h3 G158mnu.htm
Mesodolichodera Heteroderidae plant feeders 3 1 h3 G0141mnu.htm
Mesodorylaimellus Dorylaimellidae plant feeders 5 1 h5  
Mesodorylaimus Dorylaimidae omnivores 5 8 o5 G703mnu.htm
Mesomermis Mermithidae animal parasites        
Mesonema Drilonematidae animal parasites        
Mesorhabditis Rhabditidae bacteria feeders 1 3 b1 G226mnu.htm
Mesotheristus Xyalidae marine nematodes       G386mnu.htm
Mesotobrilus Tobrilidae predators 3 5 p3  
Metachromadora Desmodoridae marine nematodes       G53210mnu.htm
Metachromadoroides Desmodoridae marine nematodes       G5328mnu.htm
Metacomesoma Comesomatidae marine nematodes        
Metacrobeles Cephalobidae bacteria feeders 2 3 b2 G2632mnu.htm
Metacrolobus Cephalobidae bacteria feeders 2 3 b2 G2633mnu.htm
Metactinolaimus Actinolaimidae omnivores 4 8 o4 G7621mnu.htm
Metacyatholaimus Cyatholaimidae marine nematodes       G5224mnu.htm
Metacylicolaimus Leptosomatidae marine nematodes        
Metadasynemella Ceramonematidae marine nematodes       G4294mnu.htm
Metadasynemoides Ceramonematidae marine nematodes       G4293mnu.htm
Metadesmodora Desmodoridae marine nematodes        
Metadesmolaimus Xyalidae marine nematodes       G38316mnu.htm
Metadiplogaster Diplogastridae bacteria feeders 1 3 b1 G325mnu.htm
Metadorylaimus Tylencholaimidae fungus feeders 4 2 f4 G7914mnu.htm
Metaglochinema Epsilonematidae marine nematodes        
Metalaimus Linhomoeidae marine nematodes        
Metalinhomoeus Linhomoeidae marine nematodes       G4012mnu.htm
Metamphidelus Amphidelidae bacteria feeders 4 3 b4 G636mnu.htm
Metaparasitylenchus Allantonematidae animal parasites       G3953mnu.htm
Metaparoncholaimus Oncholaimidae marine nematodes        
Metaphanoderma Phanodermatidae marine nematodes       G5957mnu.htm
Metaporcelaimus Aporcelaimidae omnivores 5 8 o5 G738mnu.htm
Metaraeolaimoides Diplopeltidae          
Metarhabditis Rhabditidae bacteria feeders 1 3 b1 G2272mnu.htm
Metasabatieria Comesomatidae marine nematodes
Metasphaerolaimus Sphaerolaimidae marine nematodes       G3911mnu.htm
Metastrongylus Metastrongylidae animal parasites       G9582mnu.htm
Metateratocephalus Teratocephalidae bacteria feeders 3 3 b3 G313mnu.htm
Metathelazia Pneumospiruridae animal parasites        
Metaxonchium Belondiridae plant feeders 5 1 h5 G756mnu.htm
Metenoploides Thoracostomopsidae marine predators        
Metepsilonema Epsilonematidae marine nematodes 4 4 e4 G902mnu.htm
Meteterakis Heterakidae animal parasites        
Metheligmonella Heligmonellidae animal parasites        
Metoncholaimoides Oncholaimidae marine nematodes        
Metoncholaimus Oncholaimidae marine nematodes        
Metonyx Desmodoridae marine nematodes        
Mexiconema Daniconematidae animal parasites        
Meylia Meyliidae marine nematodes       G418mnu.htm
Meylis Leptonchidae fungus feeders 4 2 f4 G7842mnu.htm
Meylonema Tylencholaimidae fungus feeders 4 2 f4 G7902mnu.htm
Micatonchus Anatonchidae predators 4 5 p4  
Micoletzkya Neodiplogastridae bacteria feeders 1 3 b1 G3233mnu.htm
Micoletzkyia Phanodermatidae marine nematodes       G5926mnu.htm
Miconchus Anatonchidae predators 4 5 p4 G659mnu.htm
Micracanthonchus Linhomoeidae marine nematodes        
Microdorylaimus Qudsianematidae predators 4 5 p4 G726mnu.htm
Microhadejia Tetrameridae animal parasites        
Microlaimus Microlaimidae bacteria feeders 3 3 b3 G915mnu.htm
Micropleura Micropleuridae animal parasites        
Microtetrameres Tetrameridae animal parasites        
Miculenchus Tylenchidae plant feeders 2 1 f2 G079mnu.htm
Minolaimus Comesomatidae marine nematodes       G5874mnu.htm
Minutostrongylus Cooperiidae animal parasites        
Miodorylaimus Dorylaimidae omnivores 4 8 o4 G6882mnu.htm
Miranema Mydonomidae omnivores 4 8 o4 G7881mnu.htm
Mirolaimus Bathyodontidae predators 4 5 p5  
Mirzaiella Travassosinematidae animal parasites        
Misticius Sphaerulariidae insect associates        
Mitoaxonchium Swangeriidae omnivores       G9013mnu.htm
Mitranema Tylenchidae plant feeders 2 1 h2 G080mnu.htm
Moaciria Heterakidae animal parasites        
Moennigia Molineidae animal parasites        
Moguranema Molineidae animal parasites        
Molgolaimus Desmodoridae marine nematodes
Molineus Molineidae animal parasites       G9791mnu.htm
Molinostrongylus Molineidae animal parasites        
Molnaria Skrjabillanidae animal parasites        
Mongolotheristus Xyalidae marine nematodes        
Monhystera Monhysteridae bacteria feeders 1 3 b1 G371mnu.htm
Monhysterides Atractidae animal parasites       G8658mnu.htm
Monhysteroides Linhomoeidae marine nematodes        
Monhystrella Monhysteridae bacteria feeders 1 3 b1 G374mnu.htm
Monhystris Xyalidae marine nematodes        
Monhystrium Monhysteridae marine nematodes G376mnu.htm
Monilonema Chabertiidae animal parasites        
Monobutlerius Diplogastridae bacteria feeders 1 3 b1 G324mnu.htm
Monodontella Ancylostomatidae animal parasites        
Mononchoides Neodiplogastridae eucaryote feeders 1 6 e1 G334mnu.htm
Mononchulus Mononchulidae predators 4 5 p4 G663mnu.htm
Mononchus Mononchidae predators 4 5 p4 G655mnu.htm
Monoposthia Monoposthiidae marine nematodes        
Monoposthioides Monoposthiidae marine nematodes        
Monotrichodorus Trichodoridae plant feeders 3 1 h3 G147mnu.htm
Mooleptus Gnathostomatidae animal parasites        
Morasia Mydonomidae omnivores 4 8 o4 G7812mnu.htm
Moravecia Guyanemidae animal parasites       G9413mnu.htm
Morgascaridia Schneidernematidae animal parasites        
Morlaxia Diplopeltidae marine nematodes        
Morulaimus Dolichodoridae plant feeders 3 1 h3 G082mnu.htm
Moshajia Crateronematidae omnivores 4 8 o4 G743mnu.htm
Mudwigglus Diplopeltidae marine nematodes        
Muellerius Protosrongylidae animal parasites       G9327mnu.htm
Mukazia Tylenchidae plant feeders 2 1 h2 G083mnu.htm
Multicaecum Heterocheilidae animal parasites       G1087mnu.htm
Mulveyellus Iotonchidae predators 4 5 p4 G6594mnu.htm
Mumtazium Tylencholaimidae fungus feeders 4 2 f4 G7961mnu.htm
Murielus Molineidae animal parasites        
Murshidia Strongylidae animal parasites        
Muspicea Muspiceidae animal parasites       G825mnu.htm
Myctolaimus Cylindrocorporidae insect associates        
Mydonomus Mydonomidae omnivores 4 8 o4 G7813mnu.htm
Myenchus Myenchidae animal parasites        
Myleusnema Kathlaniidae animal parasites        
Mylodiscoides Qudsianematidae predators 4 5 p4 G7262mnu.htm
Mylodiscus Qudsianematidae predators 4 5 p4 G7261mnu.htm
Mylonchulus Mylonchulidae predators 4 5 p4 G653mnu.htm
Myolaimus Myolaimidae bacteria feeders 2 3 b2 G291mnu.htm
Myoryctes Myenchidae animal parasites        
Myrmeconema Tetradonematidae animal parasites        
Nacobbodera Heteroderidae plant feeders 3 1 h3 G084mnu.htm
Nacobbus Pratylenchidae plant feeders 3 1 h3 G085mnu.htm
Nagelus Merliniidae plant feeders 3 1 h3 G086mnu.htm
Namaquanema Dorylaimidae omnivora 4 8 o4 G6881mnu.htm
Namibinema Axonolaimidae marine nematodes        
Nanidorus Trichodoridae plant feeders 3 1 h3 G0971mnu.htm
Nannolaimoides Cyatholaimidae marine nematodes       G523mnu.htm
Nannolaimus Neotonchidae marine nematodes        
Narsingiella Aspidoderidae animal parasites        
Nasistrongylus Herpetostrongylidae animal parasites        
Necator Ancylostomatidae animal parasites       G962mnu.htm
Nemabia Encholaimidae fungus feeders 4 2 f4  
Nemanema Oxystominidae marine/freshwater nematodes        
Nemanoke Mesidionematidae animal parasites       G1517mnu.htm
Nematodirella Molineidae animal parasites        
Nematodiroides Molineidae animal parasites        
Nematodirus Molineidae animal parasites       G356mnu.htm
Nematomystes Aspidoderidae animal parasites        
Nemhelix Cosmocercidae animal parasites
Neoactinolaimus Actinolaimidae omnivores 4 8 o4 G762mnu.htm
Neoalloionema Alloionematidae bacteria feeders 1 3 b1 G232mnu.htm
Neobakernema Criconematidae plant feeders 3 1 h3 G0171mnu.htm
Neocamacolaimus Camacolaimidae marine nematodes       G4326mnu.htm
Neocamallanus Camallanidae animal parasites        
Neochromadora Hypodontolaimidae bacteria feeders 3 3 b3 G477mnu.htm
Neocooperia Trichostrongylidae animal parasites        
Neocucullanus Cucullanidae animal parasites       G9701mnu.htm
Neodiplogaster Neodiplogastridae bacteria feeders 1 3 b1 G3232mnu.htm
Neodiplopeltula Diplopeltidae marine nematodes       G449mnu.htm
Neoditylenchus Anguinidae plant feeders 2 1 h2  
Neodolichodorus Dolichodoridae plant feeders 3 1 h3 G087mnu.htm
Neodolichorhynchus Telotylenchidae plant feeders 3 1 h3 G156mnu.htm
Neoentomelas Rhabdiasidae animal parasites        
Neohalenchus Anguinidae plant feeders 2 1 h2  
Neoheligmonella Heligmonellidae animal parasites        
Neohilgertia Oxyuridae animal parasites        
Neolobocriconema Criconematidae plant feeders 3 1 h3 G092mnu.htm
Neolordellonema Crateronematidae omnivores 4 8 o4 G7432mnu.htm
Neometadorylaimus Tylencholaimidae fungus feeders 4 2 f4 G7911mnu.htm
Neomisticius Anguinidae insect associates       G1101mnu.htm
Neomolineus Molineidae animal parasites        
Neomurshidia Strongylidae animal parasites        
Neonyx Desmodoridae marine nematodes        
Neoomeia Quimperiidae animal parasites        
Neoparaseuratum Quimperiidae animal parasites        
Neoparasitylenchus Allantonematidae animal parasites        
Neophilometroides Philometridae animal parasites        
Neopsilenchus Tylenchidae plant feeders 2 1 h2 G088mnu.htm
Neoraillietnema Cosmocercidae animal parasites      
Neorhabditis Rhabditidae bacteria feeders 1 3 b1 G2228mnu.htm
Neorhabditostomum Chabertiidae animal parasites        
Neosteinernema Steinernematidae bacteria feeders 2 3 b2 G833mnu.htm
Neostrongyloides Dioctophymatidae animal parasites
Neostrongylus Protosrongylidae animal parasites        
Neoterranova Anisakidae animal parasites G9106mnu.htm
Neothada Tylenchidae plant feeders 2 1 h2 G089mnu.htm
Neotobrilus Tobrilidae predators 3 5 p3 G602mnu.htm
Neotonchoides Neotonchidae marine nematodes        
Neotonchus Neotonchidae marine nematodes       G5131mnu.htm
Neotylocephalus Plectidae bacteria feeders 2 3 b2 G426mnu.htm
Nesomystrongylus Heligmonellidae animal parasites        
Neurella Camacolaimidae marine nematodes        
Nevadanema Dorylaimidae omnivores 4 8 o4 G730mnu.htm
Nicascolaimus Axonolaimidae marine nematodes        
Nicollina Nicollinidae animal parasites       G3591mnu.htm
Nigronchus Mononchidae predators 4 5 p4 G6555mnu.htm
Nijhoffia Linhomoeidae marine nematodes        
Nilonema Philometridae animal parasites        
Nimigula Belondiridae plant feeders 5 1 h5 G758mnu.htm
Nippostrongylus Heligmonellidae animal parasites       G4635mnu.htm
Nochtia Molineidae animal parasites
Noffsingeria Meyliidae marine nematodes       G420mnu.htm
Nothacrobeles Cephalobidae bacteria feeders 2 3 b2 G2614mnu.htm
Nothactinolaimus Actinolaimidae omnivores 4 5 p4 G7612mnu.htm
Nothanguina Anguinidae plant feeders 2 1 h2  
Nothocriconema Criconematidae plant feeders 3 1 h3 G151mnu.htm
Nothocriconemoides Criconematidae plant feeders 3 1 h3 G091mnu.htm
Nothotylenchus Anguinidae fungus feeders 2 2 f2 G110mnu.htm
Notochaetosoma Draconematidae marine nematodes        
Nouvelnema Atractidae animal parasites        
Nudora Monoposthiidae marine nematodes        
Nullonchus Iotonchidae predators       G6595mnu.htm
Nycteridostrongylus Molineidae animal parasites       G3571mnu.htm
Nygellus Nygellidae predators 5 5 p5 G675mnu.htm
Nygolaimellus Nygolaimidae predators 5 5 p5 G676mnu.htm
Nygolaimium Aporcelaimidae omnivores 5 8 o5 G767mnu.htm
Nygolaimoides Nygolaimidae predators 5 5 p5 G672mnu.htm
Nygolaimus Nygolaimidae predators 5 5 p5 G673mnu.htm
Obainia Rhigonematidae animal parasites        
Obeliscoides Cooperiidae animal parasites        
Oceanicucullanus Cucullanidae animal parasites       G971mnu.htm
Octomyomermis Mermithidae animal parasites        
Octonchus Oncholaimidae marine nematodes        
Odilia Heligmonellidae animal parasites       G3633mnu.htm
Odontanticoma Anticomidae marine nematodes       G8511mnu.htm 
Odontobius Monhysteridae marine nematodes       G3761mnu.htm
Odontolaimus Odontolaimidae bacteria feeders 3 3 b3 G551mnu.htm
Odontopharynx Odontopharyngidae predators 1 5 p1 G361mnu.htm
Odontophora Axonolaimidae marine nematodes       G4501mnu.htm
Odontophoroides Axonolaimidae marine nematodes        
Oesophagodontus Strongylidae animal parasites        
Oesophagostomoides Chabertiidae animal parasites        
Oesophagostomum Chabertiidae animal parasites       G9682mnu.htm
Ogma Criconematidae plant feeders 3 1 h3 G093mnu.htm
Ohbayashinema Heligmosomidae animal parasites        
Oigolaimella Neodiplogastridae eucaryote feeders 1 6 e1 G337mnu.htm
Oionchus Mononchulidae predators 4 5 p4 G658mnu.htm
Okapistrongylus Chabertiidae animal parasites        
Okranema Thoracostomopsidae marine predators        
Oligonchulus Mylonchulidae predators 4 5 p4 G6492mnu.htm
Ollulanus Molineidae animal parasites        
Omicronema Xyalidae marine nematodes       G38317mnu.htm
Onchiolistia Camacolaimidae marine nematodes        
Onchium Camacolaimidae marine nematodes        
Onchocerca Onchocercidae animal parasites       G988mnu.htm
Oncholaimelloides Oncholaimidae marine nematodes        
Oncholaimellus Oncholaimidae marine nematodes       G1526mnu.htm
Oncholaimium Oncholaimidae marine nematodes        
Oncholaimoides Oncholaimidae marine nematodes        
Oncholaimus Oncholaimidae marine nematodes       G1524mnu.htm
Onchulus Onchulidae predators 3 5 p3 G612mnu.htm

Oncophora

 Camallanidae animal parasites        
Onychonema Ungellidae animal parasites        
Onyx Desmodoridae marine nematodes        
Oonaguntus Crateronematdae omnivores 4 8 o4 G6921mnu.htm
Oostenbrinkella Tylencholaimellidae fungus feeders 4 2 f4 G792mnu.htm
Oostenbrinkia Aulolaimoididae omnivores 4 8 o4 G923mnu.htm
Opailaimus Belondiridae plant feeders 5 1 h5 G7581mnu.htm
Operculorhabditis Rhabditidae bacteria feeders 1 3 b1 G2231mnu.htm
Ophidascaris Ascarididae animal parasites       G9381mnu.htm
Opisthodorylaimus Thornenematidae omnivores 5 8 o5 G706mnu.htm
Opisthotyleptus Leptonchidae fungus feeders 4 2 f4  
Orientatractis Atractidae animal parasites       G865mnu.htm
Orientostrongylus Heligmonellidae animal parasites       G3631mnu.htm
Oriverutoides Nordiidae omnivores 4 8 o4 G7137mnu.htm
Oriverutus Nordiidae omnivores 4 8 o4 G7132mnu.htm
Orloffia Haemonchidae animal parasites       G9643mnu.htm
Orneoascaris Ascarididae animal parasite        
Ornithocapillaria Trichuridae animal parasite        
Ornithofilaria Onchocercidae animal parasites        
Ornithonema Ornithostrongylidae animal parasites        
Ornithostrongylus Ornithostrongylidae animal parasites       G380mnu.htm
Orphreyus Criconematidae plant feeders 3 1 h3 G0922mnu.htm
Orrina Anguinidae plant feeders 2 1 h2 G042mnu.htm
Orthophallonema Leptosomatidae marine nematodes       G5895mnu.htm
Orthostrongylus Protosrongylidae animal parasites       G932mnu.htm
Ortleppascaris Heterocheilidae animal parasites        
Ortleppstrongylus Molineidae animal parasites        
Oryctophila Thelastomatidae animal parasites        
Oscheius Rhabditidae bacteria feeders 1 3 b1 G227mnu.htm
Oslerus Filaroididae animal parasites       G9593mnu.htm
Osstella Osstellidae bacteria feeders 2 3 b2 G273mnu.htm
Ostertagia Haemonchidae animal parasites       G9644mnu.htm
Oswaldocruzia Molineidae animal parasites        
Oswaldofilaria Oswaldofilariidae animal parasites       G9451mnu.htm
Oswaldonema Viannaiidae animal parasites        
Oswaldostrongylus Ornithostrongylidae animal parasites        
Otostrongylus Crenosomatidae animal parasites        
Ottolenchus Tylenchidae plant feeders 2 1 h2 G0511mnu.htm
Ovomermis  Mermithidae animal parasites        
Oxybelondira Swangeriidae plant feeders? 5 5 p5 G7531mnu.htm
Oxydiroides Tylencholaimidae fungus feeders 4 2 f4 G7952mnu.htm
Oxydirus Swangeriidae predators 5 5 p5 G753mnu.htm
Oxyonchus Thoracostomopsidae marine predators        
Oxysomatium Cosmocercidae animal parasites G8607mnu.htm
Oxyspirura Thelaziidae animal parasites       G9902mnu.htm
Oxystomina Oxystominidae marine/freshwater nematodes       G593mnu.htm
Oxyuris Oxyuridae animal parasites       G9967mnu.htm