Porrocaecum is a genus of nematodes belonging to the family Ascarididae.
The genus has cosmopolitan distribution.
Species Porrocaecum contains the following species:World Register of Marine Species (2026). Porrocaecum Railliet & Henry, 1912. Accessed on 2026-03-12. Porrocaecum angusticolle Porrocaecum circinum Porrocaecum crassum Porrocaecum depressum Porrocaecum ensicaudatum Porrocaecum falklandicum Porrocaecum heteropterum Porrocaecum moraveci Porrocaecum parvum Porrocaecum reticulatum Porrocaecum serpentulus Porrocaecum streperae Porrocaecum talpae
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