Ptychogonimus megastomum (Rudolphi 1819) Lühe 1900

have host

• Global Biotic Interactions: Mustelus mustelus (Linnaeus 1758) (Common Smoothhound)
• Global Biotic Interactions: Mustelus canis (Mitchill 1815) (Dusky Smoothhound)
• Global Biotic Interactions: Mustelus manazo Bleeker 1855 (Starspotted smooth-hound)
• Global Biotic Interactions: Zearaja nasuta (Müller & Henle 1841) (New Zealand rough skate)
• Global Biotic Interactions: Mustelus manazo Bleeker 1855 (Starspotted smooth-hound)

parasitize

• Global Biotic Interactions: Mustelus asterias Cloquet 1819 (smooth hound, starry smooth hound)
• Global Biotic Interactions: Mustelus lunulatus Jordan & Gilbert 1882 (Sicklefin Smoothhound)
• Global Biotic Interactions: Mustelus canis (Mitchill 1815) (Dusky Smoothhound)
• Global Biotic Interactions: Mustelus californicus Gill 1864 (Gray Smooth-hound)
• Global Biotic Interactions: Tautogolabrus adspersus (Walbaum 1792) (Blue perch)