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| Nematode Genera P to R | Family | Putative Feeding |
c-p Class |
Feeding Group |
Functional Guild |
Internal Code |
| Panagrellus | Panagrolaimidae | bacteria feeder | 1 | 3 | b1 | G281mnu.htm |
| Panagrobelus | Panagrolaimidae | bacteria feeder | 1 | 3 | b1 | G282mnu.htm |
| Panagrolaimus | Panagrolaimidae | bacteria feeder | 1 | 3 | b1 | G283mnu.htm |
| Paractinolaimus | Swangeriidae | predator | 5 | 5 | p5 | G761mnu.htm |
| Paracyatholaimus | Cyatholaimidae | eucaryote feeder | 3 | 6 | e3 | G521mnu.htm |
| Parahadronchus | Iotonchidae | predator | 4 | 5 | p4 | 0 |
| Paralongidorus | Longidoridae | plant feeder | G095mnu.htm | |||
| Paramphidelus | Amphidelidae | bacteria feeder | 4 | 3 | b4 | G633mnu.htm |
| Paramylonchulus | Mylonchulidae | predator | 4 | 5 | p4 | 0 |
| Paraoigolaimella | Diplogasteridae | bacteria feeder | 1 | 3 | b1 | G326mnu.htm |
| Paraphanolaimus | Aphanolaimidae | bacteria feeder | 3 | 3 | b3 | G441mnu.htm |
| Paraphelenchus | Aphelenchidae | fungus feeder | 2 | 2 | f2 | G202mnu.htm |
| Paraplectonema | Leptolaimidae | bacteria feeder | 3 | 3 | b3 | G434mnu.htm |
| Pararotylenchus | Hoplolaimidae | plant feeder | G096mnu.htm | |||
| Paratrichodorus | Trichodoridae | plant feeder | G097mnu.htm | |||
| Paratripyla | Tripylidae | predator | 3 | 5 | p3 | G623mnu.htm |
| Paratrophurus | Dolichodoridae | plant feeder | G098mnu.htm | |||
| Paratylenchus | Tylenchulidae | plant feeder | G099mnu.htm | |||
| Paravulvus | Nygolaimidae | predator | 5 | 5 | p5 | G674mnu.htm |
| Paraxonchium | Paraxonchidae | omnivore | 5 | 8 | o5 | G731mnu.htm |
| Pareudiplogaster | Neodiplogasteridae | eucaryote feeder | 1 | 6 | e1 | G335mnu.htm |
| Paroigolaimella | Diplogasteridae | bacteria feeder | 1 | 3 | b1 | G326mnu.htm |
| Pateracephalonema | Criconematidae | plant feeder | G100mnu.htm | |||
| Pellioditis | Rhabditidae | bacteria feeder | 1 | 3 | b1 | G222mnu.htm |
| Pelodera | Rhabditidae | bacteria feeder | 1 | 3 | b1 | G228mnu.htm |
| Peltamigratus | Hoplolaimidae | bacteria feeder | 1 | 3 | b1 | G009mnu.htm |
| Penzancia | Xyalidae | bacteria feeder | 2 | 3 | b2 | 0 |
| Phallaxonchium | Belondiridae | plant feeder | 5 | 1 | h5 | 0 |
| Phasmarhabditis | Rhabditidae | bacteria feeder | 1 | 3 | b1 | G223mnu.htm |
| Plectonchus | Brevibuccidae | bacteria feeder | 1 | 3 | b1 | G301mnu.htm |
| Plectus | Plectidae | bacteria feeder | 2 | 3 | b2 | G422mnu.htm |
| Pleurotylenchus | Tylenchidae | plant feeder | 2 | 1 | h2 | G102mnu.htm |
| Polenchus | Tylenchidae | plant feeder | G103mnu.htm | |||
| Pratylenchoides | Pratylenchidae | plant feeder | 3 | 1 | h3 | G104mnu.htm |
| Pratylenchus | Pratylenchidae | plant feeder | 3 | 1 | h3 | G105mnu.htm |
| Prionchulus | Mononchidae | predator | 4 | 5 | p4 | G651mnu.htm |
| Prismatolaimus | Prismatolaimidae | bacteria feeder | 3 | 3 | b3 | G581mnu.htm |
| Pristionchus | Neodiplogasteridae | eucaryote feeder | 1 | 6 | e1 | G333mnu.htm |
| Probelondira | Belondiridae | plant feeder | 5 | 1 | h5 | 0 |
| Procephalobus | Panagrolaimidae | bacteria feeder | 2 | 3 | b2 | 0 |
| Prochromadora | Chromadoridae | bacteria feeder | 3 | 3 | b3 | G472mnu.htm |
| Prodesmodora | Desmodoridae | bacteria feeder | 3 | 3 | b3 | G531mnu.htm |
| Prodorylaimium | Thornenematidae | omnivore | 5 | 8 | o5 | G701mnu.htm |
| Prodorylaimus | Thornenematidae | omnivore | 5 | 8 | o5 | G702mnu.htm |
| Proleptonchus | Leptonchidae | fungus feeder | 4 | 2 | f4 | G784mnu.htm |
| Propanagrolaimus | Panagrolaimidae | bacteria feeder | 1 | 3 | b1 | 0 |
| Prothallonema | Sphaerulariidae | dispersal stage | 3 | 7 | d3 | 0 |
| Protorhabditis | Rhabditidae | bacteria feeder | 1 | 3 | b1 | G2212mnu.htm |
| Pseudhalenchus | Anguinidae | plant feeder | G106mnu.htm | |||
| Pseudoaulolaimus | Aulolaimidae | bacteria feeder | 3 | 3 | b3 | G562mnu.htm |
| Psilenchus | Tylenchidae | plant feeder | 2 | 1 | h2 | G107mnu.htm |
| Pterotylenchus | Tylenchidae | plant feeder | G108mnu.htm | |||
| Pterygorhitis | Pterygorhabditidae | bacteria feeder | 1 | 3 | b1 | 0 |
| Punctodera | Heterderidae | plant feeder | G109mnu.htm | |||
| Punctodora | Chromadoridae | bacteria feeder | 3 | 3 | b3 | G473mnu.htm |
| Pungentella | Nordiidae | omnivore | 4 | 8 | o4 | 0 |
| Pungentus | Nordiidae | omnivore | 4 | 8 | o4 | G712mnu.htm |
| Quinisulcius | Dolichodoridae | plant feeder | 3 | 1 | h3 | G138mnu.htm |
| Radopholus | Pratylenchidae | plant feeder | G111mnu.htm | |||
| Rhabditella | Rhabditidae | bacteria feeder | 1 | 3 | b1 | 0 |
| Rhabditis | Rhabditidae | bacteria feeder | 1 | 3 | b1 | G221mnu.htm |
| Rhabditoides | Rhabditidae | bacteria feeder | 1 | 3 | b1 | G2215mnu.htm |
| Rhabditophanes | Alloionematidae | bacteria feeder | 1 | 3 | b1 | G231mnu.htm |
| Rhabdolaimus | Rhabdolaimidae | bacteria feeder | 3 | 3 | b3 | G461mnu.htm |
| Rhizonema | Heteroderidae | plant feeder | G114mnu.htm | |||
| Rhodolaimus | Bunonematidae | bacteria feeder | 1 | 3 | b1 | G252mnu.htm |
| Rhomborhabditis | Peloderidae | bacteria feeder | 1 | 3 | b1 | 0 |
| Rhyssocolpus | Nordiidae | G715mnu.htm | ||||
| Rotylenchulus | Rotylenchulidae | plant feeder | 3 | 1 | h3 | G116mnu.htm |
| Rotylenchus | Hoplolaimidae | plant feeder | 3 | 1 | h3 | G117mnu.htm |