Fig. G22: Siphonostomatoida (a few examples).

1: Ratania atlantica (female: dorsal view) (after Heron and Damkaer, 1969). [free-living, pelagic].

2: Spongiocnizon petiti (female: left lateral view) (after Stock and Kleeton, 1964). [in sponges (Porifera)]

3: Megapontius pleurospinosus (female: simplified right lateral view) (after Heptner, 1968). [free-living, commensal?].

4: Caligus mutabilis (female: dorsal view) (after Yamaguti, 1963).

5: Caligus hyalinus (female: dorsal view) (after Yamaguti, 1963).

6: Clavellisa spinosa (female) (after Yamaguti, 1963).

7: Calverocheres engelis (female: left lateral view) (after Stock, 1968). [between the spines of sea urchins].

8: Artotrogus orbicularis (female: dorsal view) (after Sars, 1918). [on nudibranchs or free-living among algae].

9 and 10: Tripaphylus musteli (9: male, 10: female) (after Yamaguti, 1963).

11: Peroderma cylindricum (female: right lateral view) (after Yamaguti, 1963). [in the flesh of marine teleosts].

12: Tracheliastes polycolpus (female: ventral view) (after Yamaguti, 1963). [parasite of fish].

13: Shaeronella synasteropeae (female: ventral view) (after Bradford, 1975). [parasite of an ostracod].

14: Shaeronella grayi (female: ventral view) (after Bradford, 1975). [parasite of an amphipod].

15: Xenocoeloma brumpti (female: ventral view) (after Bresciani and Lützen, 1960). [parasite of a polychaete annelid].

16: Lernaeolophus hemiramphi (female) (after Yamaguti, 1963). [parasite of Hemiramphus].

17: Clavella levis (female) (after Yamaguti, 1963).

18: Herpyllobius cordiformis (female) (after Lützen, 1964). [parasite of a polychaete annelid].