Agfa is the only genus in the parasitic nematode family Agfidae. There are only three known species: Agfa flexilis, A. morandi and A. tauricus. They are all obligate parasites in terrestrial gastropods.
Species Agfa flexilis (Dujardin, 1845)Dujardin F. (1845). Histoire naturelle des helminthes ou vers intestinaux. xvi, 654+15 pp. Page 109. + Plates: plate 4, figure A. (not plate 6) Agfa morandi Ribas & Casanova, 2002Ribas A. & Casanova J. (2002). "Agfa morandi sp. n. (Rhabditida, Agfidae) a parasite of Limax sp. (Gastropoda, Limacidae)". Parasitology Research 88(8): 745-747. . Agfa tauricus Korol & Spiridonov, 1991Korol E. N. & Spiridonov S. E. (1991). "Angiostoma kimmeriensis sp. n. and Agfa tauricus sp. n.—parasitic Rhabditida (Nematoda) from Crimean terrestrial mollusks". Helminthologica 28: 179–182.
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