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Nematodes Genera P to R Family Putative
Feeding		 c-p
Group		 Feeding
Group		 Functional
Guild		 Internal
Code
             
Pachydorylaimus Tylencholaimidae fungus feeders 4 2 f4 G7903mnu.htm
Pakira Plectidae bacteria feeders 2 3 b2  
Paleothelastoma Thelastomatidae animal parasites        
Panagrellus Panagrolaimidae bacteria feeders 1 3 b1 G281mnu.htm
Panagrobelium Panagrolaimidae bacteria feeders 1 3 b1  
Panagrobelus Panagrolaimidae bacteria feeders 1 3 b1 G282mnu.htm
Panagrolaimus Panagrolaimidae bacteria feeders 1 3 b1 G283mnu.htm
Panagrolobus Cephalobidae bacteria feeders 2 3 b2 G2618mnu.htm
Panagroteratus Cephalobidae bacteria feeders 2 3 b2  
Pancreatonema Rhabdochonidae animal parasites       G9981mnu.htm
Pandolaimus Pandolaimidae marine nematodes        
Panduripharynx Chromadoridae marine nematodes       G484mnu.htm
Papillabrum Hystrignathidae animal parasites        
Papillonema Desmodoridae marine nematodes       G5327mnu.htm
Papillostrongylus Chabertiidae animal parasites        
Papuadorus Nordiidae omnivores 4 8 o4 G7141mnu.htm
Papuastrongylus Herpetostrongylidae animal parasites        
Parabathylaimus Tripyloididae marine nematodes       G6131mnu.htm
Parabostrichus Desmodoridae marine nematodes        
Parabronema Habronematidae animal parasites       G9463mnu.htm
Parabronetna Spiruridae animal parasites        
Paracamallanus Camallanidae animal parasites        
Paracameronia Thelastomatidae animal parasites
Paracanthonchus Cyatholaimidae marine nematodes       G5221mnu.htm
Paracephalobus Cephalobidae bacteria feeders 2 3 b2  
Parachromadora Chromadoridae marine nematodes        
Paracomesoma Comesomatidae marine nematodes       G588mnu.htm
Paracooperia Cooperiidae animal parasites        
Paracooperioides Cooperiidae animal parasites        
Paracrassibucca Anatonchidae predators 4 5 p4 G662mnu.htm
Paracrenosoma Crenosomatidae animal parasites        
ParacrobelesCephalobidae bacteria feeders 2 3 b2 G2641mnu.htm
Paractinolaimoides Actinolaimidae predators 5 5 p5 G7613mnu.htm
Paractinolaimus Actinolaimidae predators 5 5 p5 G761mnu.htm
Paracuaria Acuariidae animal parasites        
Paracucullanellus Cucullanidae animal parasites        
Paracyatholaimoides Cyatholaimidae marine nematodes        
Paracyatholaimus Cyatholaimidae marine nematodes       G521mnu.htm
Paracylicolaimus Leptosomatidae marine nematodes        
Paradeletrocephalus Deletrocephalidae animal parasites       G9731mnu.htm
Paradesmodora Desmodoridae marine nematodes       G53214mnu.htm
Paradicelis Drilonematidae animal parasites        
Paraditylenchus Anguinidae plant feeders 2 1 h2 G0422mnu.htm
ParadolichoderaHeteroderidae plant feeders 3 1 h3 G0431mnu.htm
Paradorylaimus Dorylaimidae omnivores 4 8 o4 G6863mnu.htm
Paradraconema Draconematidae marine nematodes       G5385mnu.htm
Paradujardinia
Heterocheilidae
animal parasites        
Paraegialoalaimus Linhomoeidae marine nematodes        
Paraethmolaimus Ethmolaimidae brackish/marine nematodes        
Paraeuchromadora Chromadoridae marine nematodes
Paraeudesmoscolex Desmoscolecidae marine nematodes        
Parafilaria Filariidae animal parasites       G9852mnu.htm
Parafilaroides Filaroididae animal parasites       G9592mnu.htm
Paragendria Quimperiidae animal parasites       G8551mnu.htm
Paragletylenchus Parasitylenchidae animal parasites        
Paragnomoxyala Xyalidae marine nematodes G38330mnu.htm
Paragonionchus Xyalidae marine nematodes       G38318mnu.htm
Paragraphidium Molineidae animal parasites
Parahadronchus Iotonchidae predators 4 5 p4 G6553mnu.htm
Paraheligmonella Heligmonellidae animal parasites        
Paraheligmonelloides Heligmonellidae animal parasites        
Paraheligmonina Heligmonellidae animal parasites        
Paraheterotyphilum Heterocheilidae animal parasites        
Parahistiostrongylus Molineidae animal parasites        
Paraichthyocephalus Ichthyocephalidae animal parasites        
Paraiotonchium Iotonchiidae animal parasites       G183mnu.htm
Paralabiostrongylus Chabertiidae animal parasites       G9688mnu.htm
Paralellocoilas Desmodoridae marine nematodes        
Paralepidonema Hystrignathidae animal parasites        
Paraleptonchus Leptonchidae fungus feeders 4 2 f4 G7844mnu.htm
Paraleptosomatides Leptosomatidae marine nematodes        
Paraleptus Physalopteridae animal parasites        
Paralibyostrongylus Cooperiidae animal parasites        
Paralinhomoeus Linhomoeidae marine nematodes        
Paralongicyatholaimus Cyatholaimidae marine nematodes 3 6 e3 G5229mnu.htm
Paralongidorus Longidoridae plant feeders 5 1 h5 G095mnu.htm
Paramacropostrongylus Chabertiidae animal parasites       G9686mnu.htm
Paramarylynnia Cyatholaimidae marine nematodes       G52210mnu.htm
Paramerlinius Merliniidae plant feeders 3 1 h3 G169mnu.htm
Paramesacanthion Thoracostomopsidae marine predators        
Paramesonchium Comesomatidae marine nematodes        
Paramicrolaimus Paramicrolaimidae marine nematodes       G438mnu.htm
Paramidostomum Trichostrongylidae animal parasites        
Paramonohystera Xyalidae marine nematodes       G3893mnu.htm
Paramononchus Mononchidae predators 4 5 p4 G6552mnu.htm
Paramphidelus Amphidelidae bacteria feeders 4 3 b4 G633mnu.htm
Paramphimonhystrella Xyalidae marine nematodes       G38319mnu.htm
Paramylonchulus Mylonchulidae predators 4 5 p4 G6531mnu.htm
Paranticoma Anticomidae marine nematodes        
Paranygolaimus Nygolaimidae predators 5 5 p5 G6731mnu.htm
Paraodontophora Axonolaimidae marine nematodes        
Paraorientatractis Atractidae animal parasites        
Paraoxybelondira Swangeriidae predators 5 5 p5 G7534mnu.htm
Paraoxydirus Swangeriidae predators 5 5 p5 G7535mnu.htm
Parapalus Paraxonchiidae omnivores 4 8 o4 G7313mnu.htm
Paraphanoderma Phanodermatidae marine nematodes        
Paraphanodermopsis Phanodermatidae marine nematodes        
Paraphanolaimus Aphanolaimidae bacteria feeders 3 3 b3 G441mnu.htm
Parapharyngodon Pharyngodonidae animal parasites       G995mnu.htm
Parapharyngostrongylus Chabertiidae animal parasites        
Paraphelenchus Aphelenchidae fungus feeders 2 2 f2 G0121mnu.htm
Paraphilometroides Philometridae animal parasites        
Parapinnanema Chromadoridae marine nematodes       G475mnu.htm
Paraplectonema Leptolaimidae marine nematodes       G434mnu.htm
Parapomponema Cyatholaimidae marine nematodes       G5231mnu,htm
Parapoteriostomum Strongylidae animal parasites       G9789mnu.htm
Parapristionchus Diplogastridae bacteria feeders 1 3 b1  
Paraqudsiella Swangeriidae omnivores       G9014mnu.htm
Paraquimperia Quimperiidae animal parasites        
Pararaeolaimus Diplopeltidae marine nematodes       G4491mnu.htm
Pararhabdonema Cooperiidae animal parasites        
Pararhyssocolpus Nordiidae omnivores 4 8 o4 G7151mnu.htm
Pararotylenchus Hoplolaimidae plant feeders 3 1 h3 G096mnu.htm
Pararugopharynx Chabertiidae animal parasites        
Parasabanema Heligmonellidae animal parasites        
Parasaveljevia Thoracostomopsidae marine predators        
Parascaris Ascarididae animal parasites       P9371mnu.htm
Parascolaimus Axonolaimidae marine nematodes        
Paraseuratum Quimperiidae animal parasites        
Parasitaphelenchus Aphelenchoididae predators 2 5 p2 G2171mnu.htm
Parasitodiplogaster Diplogastridae bacterial feeders 1 3 b1
G3211mnu.htm
Parasitorhabditis Rhabditidae bacteria feeders 1 3 b1 G2271mnu.htm
Parasitylenchoides Allantonematidae animal parasites        
Parasitylenchus Allantonematidae animal parasites       G395mnu.htm
Parasphaerolaimus Sphaerolaimidae marine nematodes
Paraspidodera Aspidoderidae animal parasites        
Paraspiralatus Spirocercidae animal parasites        
Parastomachoglossa Actinolaimidae omnivores 5 8 o5 G7654mnu.htm
Parastomonema Siphonolaimidae marine nematodes        
Parastrongyloides Strongyloididae animal parasites G2331mnu.htm
Parastrongylus Angiostrongylidae animal parasites        
Paraterschellingia Siphonolaimidae marine nematodes        
Parathelandros Oxyuridae animal parasites        
Paratimminema Thornenematidae omnivores 5 8 o5 G7085mnu.htm
Paratimmus Mydonomidae omnivores 4 8 o4 G7882mnu.htm
Paratobrilus Tobrilidae predators 3 5 p3  
Paratractis Atractidae animal parasites        
Paratrichodorus Trichodoridae plant feeders 4 1 h4 G097mnu.htm
Paratrichosoma Trichosomoididae animal parasites       G9522mnu.htm
Paratricoma Desmoscolecidae marine nematodes        
Paratripyla Tripylidae predators 3 5 p3 G623mnu.htm
Paratrophurus Telotylenchidae plant feeders 3 1 h3 G172mnu.htm
Paratuerkiana Leptosomatidae marine nematodes        
Paratylencholaimus Tylencholaimellidae fungus feeders 4 2 f4 G793mnu.htm
Paratylenchus Tylenchulidae plant feeders 2 1 h2 G099mnu.htm
Paraustrostrongylus Herpetostrongylidae animal parasites        
Paravulvus Nygolaimidae predators 5 5 p5 G677mnu.htm
Paraxiphidorus Longidoridae plant feeders 5 1 h5 G176mnu.htm
Paraxonchium Paraxonchiidae omnivores 4 8 o4 G731mnu.htm
Parazoniolaimus Chabertiidae animal parasites       G9689mnu.htm
Parelaphostrongylus Protosrongylidae animal parasites       G9328mnu.htm
Parelzalia Xyalidae marine nematodes       G38320mnu.htm
Parenoplus Thoracostomopsidae marine predators        
Pareudesmoscolex Desmoscolecidae marine nematodes       G411mnu.htm
Pareudiplogaster Neodiplogastridae eucaryote feeders 1 6 e1 G335mnu.htm
Pareurystomina Enchelidiidae marine nematodes       G1507mnu.htm
Parhadjelia Habronematidae animal parasites        
Parironus Ironidae marine nematodes        
Parkellus Mononchidae predators 4 5 p4 G6551mnu.htm
Paroctonchus Oncholaimidae marine nematodes        
Parodontophora Axonolaimidae marine nematodes        
Paroigolaimella Diplogastridae bacteria feeders 1 3 b1 G326mnu.htm
Paronchocerca Oswaldofilariidae animal parasites        
Paronchulus Onchulidae          
Paroriverutus Nordiidae omnivores 4 8 o4 G7133mnu.htm
Parostertagia Trichostrongylidae animal parasites        
Paroxybelondira Swangeriidae omnivores        
Paroxydirus Swangeriidae omnivores        
Passalidophila Hystrignathidae animal parasites        
Passalurus Oxyuridae animal parasites        
Passeristrongylus Ornithostrongylidae animal parasites        
Patagoniella Ungellidae animal parasites        
Pateracephalonema Criconematidae plant feeders 3 1 h3 G100mnu.htm
Patricialina Herpetostrongylidae animal parasites        
Paurodontella Sphaerulariidae insect associate 3 7 d3 G392mnu.htm
Paurodontoides Sphaerulariidae insect associate 3 7 d3  
Paurodontus Sphaerulariidae insect associates 3 7 d3 G3921mnu.htm
Pearsonema Capillariidae animal parasites        
Pelagonema Oncholaimidae marine nematodes        
Pelicitus Onchocercidae animal parasites        
Pellioditis Rhabditidae bacteria feeders 1 3 b1 G222mnu.htm
Pelodera Rhabditidae bacteria feeders 1 3 b1 G228mnu.htm
Peltamigratus Hoplolaimidae bacteria feeders 1 3 b1 G0091mnu.htm
PenjatinemaCephalobidae bacteria feeders 2 3 b2 G2617mnu.htm
Pennisia Muspiceidae animal parasites        
Penzancia Xyalidae marine nematodes       G384mnu.htm
Peramelistrongylus Trichostrongylidae animal parasites        
Perepsilonema Epsilonematidae marine nematodes       G9023mnu.htm
Perilinhomoeus Linhomoeidae marine nematodes        
Perioplectus Plectidae bacteria feeders 2 3 b2  
Peritrachelius Anisakidae animal parasites       G9102mnu.htm
Perodira Homungellidae animal parasites        
Perspira Desmodoridae marine nematodes        
Petrovinema Strongylidae animal parasites       G9787mnu.htm
Phacochoerostrongylus Chabertiidae animal parasites        
Phaenoncholaimus Oncholaimidae marine nematodes        
Phalacronema Hystrignathidae animal parasites        
Phallaxonchium Belondiridae plant feeders 5 1 h5 G759mnu.htm
Phanoderma Phanodermatidae marine nematodes       G5958mnu.htm
Phanodermella Phanodermatidae marine nematodes        
Phanodermopsis Phanodermatidae marine nematodes       G5955mnu.htm
Pharurus Pseudaliidae animal parasites        
Pharyngodon Pharyngodonidae animal parasites       G9951mnu.htm
Pharyngonema Drilonematidae animal parasites        
Pharyngostrongylus Chabertiidae animal parasites        
Phascolostrongylus Chabertiidae animal parasites        
Phasmarhabditis Rhabditidae bacteria feeders 1 3 b1 G223mnu.htm
Phellonema Tylencholaimellidae fungus feeders 4 2 f4 G7921mnu.htm
Philometra Philometridae animal parasites       G942mnu.htm
Philometroides Philometridae animal parasites       G9421mnu.htm
Philonema Dracunculidae animal parasites       G9401mnu.htm
Phocascaris Anisakidae animal parasites        
Phyllolaimus Cyatholaimidae marine nematodes
Phylloncholaimus Oncholaimidae marine nematodes       G1530mnu.htm
Physaloptera Physalopteridae animal parasites G944mnu.htm
Physalopteroides Physalopteridae animal parasites        
Physocephalus Spirocercidae animal parasites        
Pierrickia Comesomatidae marine nematodes       G5872mnu.htm
Pilosinema Leptosomatidae marine nematodes       G5908mnu.htm
Pingus Quimperiidae animal parasites        
Piscicapillaria Capillariidae animal parasites        
Pithecostrongylus Molineidae animal parasites        
Placentonema Tetrameridae animal parasites       G9921mnu.htm
PlacodiraCephalobidae bacteria feeders 2 3 b2 G2619mnu.htm
Platonova Leptosomatidae marine nematodes       G5901mnu.htm
Platycoma Leptosomatidae marine nematodes       G5905mnu.htm
Platycomopsis Leptosomatidae marine nematodes       G5906mnu.htm
Plectonchus Brevibuccidae bacteria feeders 1 3 b1 G301mnu.htm
Plectus Plectidae bacteria feeders 2 3 b2 G422mnu.htm
Plesioungella Ungellidae animal parasites        
Pleurotylenchus Tylenchidae plant feeders 2 1 h2 G102mnu.htm
Plutellonema Drilonematidae animal parasites       G1514mnu.htm
Pneumoatractis Atractidae animal parasites       G8651mnu.htm
Pneumocaulus Protosrongylidae animal parasites        
Pneumonema Rhabdiasidae animal parasites        
Pneumospiruria Pneumospiruridae animal parasites        
Pneumostrongylus Protosrongylidae animal parasites        
Podocnematractis Atractidae animal parasites        
Poekilostrongylus Molineidae animal parasites        
Poikilolaimus Rhabditidae bacteria feeders 1 3 b1 G2221mnu.htm
Polenchus Tylenchidae plant feeders 2 1 h2 G103mnu.htm
Polkepsilonema Epsilonematidae marine nematodes       G9025mnu.htm
Polygastrophora Enchelidiidae marine nematodes        
Polyonchulus Mylonchulidae predators 4 5 p4 G6493mnu.htm
Polysigma Desmodoridae marine nematodes        
Pomponema Cyatholaimidae marine nematodes       G5233mnu.htm
Pongogius Oxyuridae animal parasites        
Pontonema Oncholaimidae marine nematodes       G1528mnu.htm
Popovastrongylus Chabertiidae animal parasites        
Porocoma Xenellidae marine nematodes        
Poronemella Crateronematidae omnivores 4 8 o4 G693mnu.htm
Porrocaecum Heterocheilidae animal parasites        
Porternema Belondiridae         G7576mnu.htm
Postamphidelus Amphidelidae bacteria feeders 4 3 b4  
Potensaphelenchus Aphelenchoididae Predators 2 5 p2 G2172mnu.htm
Poteriostomum Strongylidae animal parasites       G9788mnu.htm
Potorostrongylus Chabertiidae animal parasites        
Potoroxyuris Oxyuridae animal parasites        
Practinocephalus Actinolaimidae omnivores 5 8 o5 G7655mnu.htm
Praeacanthonchus Cyatholaimidae marine nematodes        
Pratinema Allantonematidae animal parasites        
Pratylenchoides Merliniidae plant feeders 3 1 h3 G104mnu.htm
Pratylenchus Pratylenchidae plant feeders 3 1 h3 G105mnu.htm
Prestwoodia Crenosomatidae animal parasites       G9591mnu.htm
Prionchulellus Iotonchidae predators       G6554mnu.htm
Prionchuloides Mylonchulidae predators 4 5 p4 G6511mnu.htn
Prionchulus Mononchidae predators 4 5 p4 G651mnu.htm
Prismatolaimus Prismatolaimidae bacteria feeders 3 3 b3 G581mnu.htm
Pristionchus Diplogastridae predators 1 5 p1 G333mnu.htm
Proatractis Atractidae animal parasites        
Probelondira Belondiridae plant feeders 5 1 h5 G7571mnu.htm
Probstmayria Atractidae animal parasites       G8662mnu.htm
Procamacolaimus Camacolaimidae marine nematodes        
Procamallanus Camallanidae animal parasites       G7974mnu.htm
Procephalobus Panagrolaimidae bacteria feeders 1 3 b1 G288mnu.htm
Prochaetosoma Draconematidae marine nematodes       G5387mnu.htm
Prochromadora Chromadoridae marine nematodes 3 3 b3 G472mnu.htm
Prochromadorella Chromadoridae marine nematodes       G4721mnu.htm
Procyonostrongylus Angiostrongylidae animal parasites       G9583mnu.htm
Procyrnea Habronematidae animal parasites       G9461mnu.htm
Prodesmodora Desmodoridae marine nematodes       G531mnu.htm
Prodontorhabditis Rhabditidae bacteria feeders 1 3 b1 G2222mnu.htm
Prodorylaimium Dorylaimidae omnivores 4 8 o4 G701mnu.htm
Prodorylaimus Dorylaimidae omnivores 4 8 o4 G702mnu.htm
Profilarinema Trichostrongylidae animal parasites        
Progreeffiella Greeffiellidae marine nematodes        
Proleptonchoides Leptonchidae fungus feeders 4 2 f4 G7843mnu.htm
Proleptonchus Leptonchidae fungus feeders 4 2 f4 G784mnu.htm
Proleptus Physalopteridae animal parasites       G9443mnu.htm
Prolinhomoeus Linhomoeidae marine nematodes        
Promiconchus Anatonchidae predators 4 5 p4  
Promonhystera Xyalidae marine nematodes       G38321mnu.htm
Promumtazium Tylencholaimidae fungus feeders 4 2 f4 G7962mnu.htm
Pronygolaimus Nygolaimidae predators 5 5 p5 G6732mnu.htm
Prooncholaimus Oncholaimidae marine nematodes       G1525mnu.htm
Propanagrolaimus Panagrolaimidae bacteria feeders 1 3 b1 G2831mnu.htm
Proparasitylenchus Allantonematidae animal parasites        
Propharyngodon Thelastomatidae animal parasites        
Proplatycoma Leptosomatidae marine nematodes       G5907mnu.htm
Propomponema Cyatholaimidae marine nematodes       G5232mnu.htm
Prorhynchonema Xyalidae marine nematodes       G38322mnu.htm
Prosphaerolaimus Linhomoeidae marine nematodes        
Prosungulonema Rhabdochonidae animal parasites        
Prothallonema Sphaerulariidae insect associates 3 7 d3 G393mnu.htm
Prothornema Thornenematidae omnivores 5 8 o5
Protochromadora Chromadoridae marine nematodes       G4763mnu.htm
Protocylindrocorpus Cylindrocorporidae insect associates        
Protodesmoscolex Desmoscolecidae marine nematodes        
Protodorylaimus Dorylaimidae omnivores 4 8 o4 G709mnu.htm
Protorhabditis Rhabditidae bacteria feeders 1 3 b1 G2214mnu.htm
Protospirura Spiruridae animal parasites        
Protostrongylus Protosrongylidae animal parasites       G9321mnu.htm
Prototricoma Desmoscolecidae marine nematodes        
Protrellus Thelastomatidae animal parasites       G9751mnu.htm
Protricoma Desmoscolecidae marine nematodes        
Protricomoides Desmoscolecidae marine nematodes       G411mnu.htm
Protylenchus Allantonematidae animal parasites        
Psammomermis Mermithidae animal parasites        
Psammonema Desmodoridae marine nematodes        
Pselionema Ceramonematidae marine nematodes       G4295mnu.htm
Pseudabbreviata Physalopteridae animal parasites        
PseudacrobelesCephalobidae bacteria feeders 2 3 b2 G2611mnu.htm
Pseudalius Pseudaliidae animal parasites        
Pseudamidostomum Trichostrongylidae animal parasites        
Pseudaphelenchus Aphelenchoididae fungus feeders 2 2 f2 G2192mnu.htm
Pseudaprocta Aproctidae animal parasites        
Pseudaraeolaimus Diplopeltidae marine nematodes        
Pseudechinotheristus Xyalidae marine nematodes       G38323mnu.htn
Pseudelzalia Xyalidae marine nematodes       G3852mnu.htm
Pseudhalenchus Anguinidae plant feeders 2 2 h2 G106mnu.htm
Pseudoaulolaimus Aulolaimidae bacteria feeders 3 3 b3 G562mnu.htm
Pseudocapillaria Capillariidae animal parasites        
Pseudocapillaroides Capillariidae animal parasites        
Pseudocella Leptosomatidae marine nematodes       G5904mnu.htm
Pseudocheironchus Selachinematidae marine nematodes       G4913mnu.htm
Pseudochromadora Desmodoridae marine nematodes        
Pseudodelphis Guyanemidae animal parasites       G9411mnu.htm
Pseudodesmicola Thelastomatidae animal parasites       G9758mnu.htm
Pseudodesmodora Desmodoridae marine nematodes        
Pseudodesmoscolex Desmoscolecidae marine nematodes       G411mnu.htm
Pseudodiplogasteroides Pseudiplogasteroididae insect parasites        
Pseudoheligmosomum Heligmonellidae animal parasites       G36312mnu.htm
Pseudolella Axonolaimidae marine nematodes        
Pseudometachromadora Desmodoridae marine nematodes        
Pseudonchulus Onchulidae predators 3 5 p3  
Pseudonchus Desmodoridae marine nematodes        
Pseudophilometroides Dracunculidae animal parasites        
Pseudophysaloptera Physalopteridae animal parasites        
Pseudoplatycoma Leptosomatidae marine nematodes        
Pseudoproleptus Cystidicolidae animal parasites        
Pseudorictularia Physalopteridae animal parasites        
Pseudospinura Seuratidae animal parasites        
Pseudosteineria Xyalidae marine nematodes       G3853mnu.htm
Pseudostertagia Cooperiidae animal parasites        
Pseudoterranova Anisakidae animal parasites       G9103mnu.htm
Pseudoterschellingia Linhomoeidae marine nematodes       G402mnu.htm
Pseudotheristus Monhysteridae          
Pseudotriceratonema Leptosomatidae marine nematodes        
Pseudotylencholaimus Tylencholaimidae fungus feeders 4 2 f4  
Pseudoxyo Hystrignathidae animal parasites       G9741mnu.htm
Psilenchus Tylenchidae plant feeders 2 1 h2 G107mnu.htm
Psyllotylenchus Parasitylenchidae animal parasites        
Pternepsilonema Epsilonematidae marine nematodes       G9026mnu.htm
Pterotylenchus Anguinidae plant feeders 2 1 h2 G108mnu.htm
Pterygodermatites Rictulariidae animal parasites        
Pterygonema Ceramonematidae marine nematodes       G4296mnu.htm
Pterygorhabditis Pterygorhabditidae bacteria feeders 1 3 b1 G842mnu.htm
Pterygorhitis Pterygorhabditidae bacteria feeders 1 3 b1 G8421mnu.htm
Ptychaphelenchus Aphelenchoididae fungus feeders 2 1 f2 G2203mnu.htm
Ptycholaimellus Chromadoridae marine nematodes G375mnu.htm
Pudica Heligmonellidae animal parasites       G36314mnu.htm
Pulchrascaris Anisakidae animal parasites       G9107mnu.htm
Pulmostrongylus Angiostrongylidae animal parasites        
Punchaulus Aphelenchoididae fungus feeders 2 1 f2  

Punctocamallanus

 Camallanidae animal parasites        
PunctoderaHeteroderidae plant feeders 3 1 h3 G109mnu.htm
Punctodora Chromadoridae marine nematodes 3 3 b3 G473mnu.htm
Punctoleptus Leptonchidae fungus feeders 4 2 f4  
Pungentella Nordiidae omnivores 4 8 o4 G716mnu.htm
Pungentus Nordiidae omnivores 4 8 o4 G712mnu.htm
Quadricoma Desmoscolecidae marine nematodes        
Quadricomoides Desmoscolecidae marine nematodes        
Quasiamidostomum Trichostrongylidae animal parasites G1104mnu.htm
Quasitobrilus Tobrilidae predators 3 5 p3  
Qudsialemellus Belondiridae          
Qudsiella Swangeriidae omnivores 4 8 o4 G7532mnu.htm
Quentinstrongylus Heligmonellidae animal parasites        
Quilonia Strongylidae animal parasites        
Quinisulcius Telotylenchidae plant feeders 3 1 h3 G1381mnu.htm
Rabbium Seuratidae animal parasites        
Radopholoides Pratylenchidae plant feeders 3 1 h3 G112mnu.htm
Radopholus Pratylenchidae plant feeders 3 1 h3 G111mnu.htm
Rafflesius Qudsianematidae predators 4 5 p4 G7251mnu.htm
Ragenema Molineidae animal parasites      
Raillietascaris Ascarididae animal parasite      
Raillietnema Cosmocercidae animal parasites       G8601mnu.htm
Ramphidorylaimus Paraxonchiidae omnivores 4 8 o4 G7315mnu.htm
Ransomnema Ransomnematidae animal parasites        
Ransomus Chabertiidae animal parasites        
Raonema Carnoyidae animal parasites        
Raphidascaris Raphidascarididae animal parasites       G1084mnu.htm
Raphidascaroides Raphidascarididae animal parasites       G1085mnu.htm
Raritobrilus Tobrilidae predators 3 5 p3  
Rasheedia Physalopteridae animal parasites        
Rattustrongylus Heligmonellidae animal parasites        
Rauschia Molineidae animal parasites        
Rauschivyngylus Angiostrongylidae animal parasites        
Rauschtineria Oxyuridae animal parasites        
Retrotheristus Xyalidae marine nematodes       G3823mnu.htm
Rhabdias Rhabdiasidae animal parasites        
Rhabditella Rhabditidae bacteria feeders 1 3 b1 G2216mnu.htm
Rhabditidoides Diplogastridae bacteria feeders 1 3 b1 G330mnu.htm
Rhabditis Rhabditidae bacteria feeders 1 3 b1 G221mnu.htm
Rhabditoides Rhabditidae bacteria feeders 1 3 b1 G2213mnu.htm
Rhabditolaimus Diplogastridae bacteria feeders 1 3 b1 G3301mnu.htm
Rhabditonema Rhabditidae bacteria feeders 1 3 b1 G2285mnu.htm
Rhabditophanes Alloionematidae bacteria feeders 1 3 b1 G231mnu.htm
Rhabditostomum Chabertiidae animal parasites        
Rhabdochona Rhabdochonidae animal parasites       G997mnu.htm
Rhabdodemania Rhabdodemaniidae marine nematodes       G552mnu.htm
Rhabdolaimus Rhabdolaimidae bacteria feeders 3 3 b3 G461mnu.htm
Rhabpanus Rhabditidae bacteria feeders 1 3 b1 G2211mnu.htm
Rhadinema Rhadinematidae marine nematodes       G4321mnu.htm
Rhigonema Rhigonematidae animal parasites       G977mnu.htm
Rhinema Monoposthiidae          
Rhinobothrium Gnathostomatidae animal parasites        
Rhinoceronema Atractidae animal parasites       G8654mnu.htm
Rhinoclemmysnema Atractidae animal parasites        
Rhinodorylaimus Dorylaimidae omnivores 5 8 o5 G688mnu.htm
Rhips Chromadoridae marine nematodes        
RhizonemellaHeteroderidae plant feeders 3 1 h3 G114mnu.htm
Rhodolaimus Bunonematidae bacteria feeders 1 3 b1 G252mnu.htm
Rhomborhabditis Rhabditidae bacteria feeders 1 3 b1 G2281mnu.htm
Rhynchonema Xyalidae marine nematodes       G389mnu.htm
Rhyssocolpus Nordiidae omnivores 4 8 o4 G715mnu.htm
Richtersia Richtersiidae marine nematodes       G466mnu.htm
Rictularia Rictulariidae animal parasites        
Ridgellus Tylenchidae plant feeders 2 1 h2 G0891mnu.htm
Riouxgolvania Muspiceidae animal parasites        
Ritenbenkia Leptosomatidae marine nematodes        
Robbea Desmodoridae marine nematodes       G536mnu.htm
Robertdollfusa Robertdollfusidae animal parasites        
Robertia Thelastomatidae animal parasites        
Robustnema Xyalidae marine nematodes       G38324mnu.htm
Robustodorus Aphelenchoididae fungus feeders 2 2 f2 G167mnu.htm
Robustostrongylus Haemonchidae animal parasites       G9647mnu.htm
Rodentocaulus Angiostrongylidae animal parasites        
Rodentogamus Syngamidae animal parasites        
Rogerus Rhabdolaimidae bacteria feeders        
Romanomermis Mermithidae animal parasites        
Rondonema Carnoyidae animal parasites        
Rondonia Atractidae animal parasites       G866mnu.htm
Roqueus Swangeriidae omnivores       G9015mnu.htm
Rostrulium Tylencholaimidae fungus feeders 4 2 f4 G7906mnu.htm
Rotylenchulus Hoplolaimidae plant feeders 3 1 h3 G116mnu.htm
Rotylenchus Hoplolaimidae plant feeders 3 1 h3 G117mnu.htm
Royandersonia Pharyngodonidae animal parasites        
Ruamowhitia Enoplidae marine nematodes        
Rubzovinema Neotylenchidae fungus feeders 2 2 f2  
Ruehmaphelenchus Aphelenchoididae fungus feeders 2 2 f2 G2141mnu.htm
Rugonema Chabertiidae animal parasites        
Rugopharynx Chabertiidae animal parasites        
Rugoster Chronogastridae bacteria feeders 3 3 b3  
Rugostrongylus Chabertiidae animal parasites        
Rumai Philometridae animal parasites