Porrocaecum crassum

are endoparasites of

• Global Biotic Interactions: Criodrilus lacuum Hoffmeister 1845
• Global Biotic Interactions: Anas platyrhynchos Linnaeus 1758 (дива патка)
• Global Biotic Interactions: Dendrobaena mariupoliensis
• Global Biotic Interactions: Dendrobaena schmidti (Michaelsen 1907)
• Global Biotic Interactions: Eiseniella tetraedra (Savigny 1826)

have host

• Global Biotic Interactions: Dendrocygna bicolor (Vieillot 1816)
• Global Biotic Interactions: Anas fulvigula Ridgway 1874
• Global Biotic Interactions: Dendrocygna autumnalis (Linnaeus 1758) (црномевна дрвна патка)
• Global Biotic Interactions: Anas fulvigula Ridgway 1874
• Global Biotic Interactions: Anas fulvigula Ridgway 1874

number of records in gbif

• GBIF data coverage: 20

parasitize

• Global Biotic Interactions: Dendrodrilus rubidus subrubicundus
• Global Biotic Interactions: Dendrobaena schmidti (Michaelsen 1907)
• Global Biotic Interactions: Anas superciliosa Gmelin & JF 1789
• Global Biotic Interactions: Allolobophora dubiosa
• Global Biotic Interactions: Criodrilus lacuum Hoffmeister 1845