Table 1.

Some hyperparasitic monogeneans on parasitic crustaceans.

Parasite	Type host	Type locality	References
Cyclocotyla bellones Otto, 1823	Belone belone	Italy, Mediterranean Sea	[72]
Allodiclidophora charcoti (Dollfus, 1922) Yamaguti 1963	Ceratothoa oestroides (female), buccal cavity of Trachurus trachurus and of Boops boops	Monaco, Mediterranean Sea; Spain, Atlantic Ocean	[33, 34]
Choricotyle smaris (Ijima, in Goto, 1894) Llewellyn, 1941	Cymothoa of buccal cavity of Spicara smaris	Italy, Mediterranean Sea	[45, 60]
Allodiclidophora squillarum (Parona & Perugia, 1889)	Ovigerous lamellae of Bopyrus squillarum	Italy, Mediterranean Sea	[76]
Diclidophora merlangi (Kuhn, in Nordmann, 1832)	Ceratothoa oestroides, buccal cavity of Boops boops	Italy, Mediterranean Sea	[33, 34]
Choricotyle elongata (Goto, 1894) Llewellyn, 1941	Mouth cavity of Dentex tumifrons, Cymothoa of mouth cavity*	Japan, Pacific Ocean	[45, 60]
Choricotyle aspinachorda Hargis, 1955	Gills and Cymothoidae from ventral pharyngeal region of Orthopristis chrysopterus	USA, Atlantic Ocean	[47]
Udonella spp.	For hosts and references, see Table 8.1. in [88]
Capsala biparasitica (Goto, 1894)	Copepoda, probably of the genus Parapelatus sp. on gills of Thynnus albacora	Japan, Pacific Ocean	[45]

^*The single specimen that was attached to the Cymothoa must be regarded as accidental [45].