1 in Phylum Nematoda: feeding habits for all valid genera using a new, universal scheme encompassing the entire phylum, with descriptions of morphological characteristics of the stoma, a key, and discussion of the evidence for trophic relationships

1. Microbial feeders Feeding methodType of foodEquivalent in microbial marine scheme (Weiser 1953, 1959, Boucher 1973)Equivalent in plant-parasitic terrestrial scheme (Yeates et al. 1993)SuckerSuspensionSelective deposit (1A)ParticulateNon-selective deposit-part (1B)Bacterial feeding-part (3)ProcessorSuspensionAggregate (1B)Substrate ingestion-part (4)ParticulateNon-selective deposit-part (1B)Substrate ingestion-part (4)ScraperParticulateEpistrate (2A)Unicellular eucaryote-part (6)CrusherParticulateNon-selective deposit-part (1B)Bacterial feeding-part (3)PiercerCellularHyphal feeding-part (2) Unicellular eucaryote-part (6) Omnivore (8)