Table 2.

Sequences used for phylogenetic analyses of the 18S, 28S and COI gene/regions

Species	Host	Locality	GenBank accession numbers			Reference
			18S	28S	COI
Proctoeces choerodoni	Choerodon cyanodus	Heron Island, AUS	KX671310	KX671299	KY073877	Wee et al. (2017)
Proctoeces humboldti	Semicossyphus darwini	Chile	MF414438	–	–	Ñacari et al. (2018)
	Sicyases sanguineus	Chile	–	KY432601	KY432628	Oliva et al. (2018)
	S. sanguineus	Chile	–	–	KU236023a	Oliva et al. (2018)
Proctoeces insolitus	Acanthopagrus australis	Queensland, AUS	KX671312	KX671300	KY073873	Wee et al. (2017)
Proctoeces cf. lintoni	Fissurella costatab	Chile	EU423050c	–	–	Wee et al. (2017)
Proctoeces maculatus	Sparodon durbanensis	TNP, SA	–	–	OR723765	Present study
	S. durbanensis	TNP, SA	–	–	OR723766	Present study
	S. durbanensis	TNP, SA	–	OR724714	–	Present study
	Clinus superciliosus	TNP, SA	–	OR724715	–	Present study
	C. superciliosus	Chintsa East, SA	–	OR724716	–	Present study
	Diplodus capensis	TNP, SA	–	OR724713	–	Present study
	D. capensis	TNP, SA	OR724708	–	OR723768	Present study
	D. capensis	TNP, SA	–	–	OR723769	Present study
	D. capensis	DHNR, SA	–	OR724718	–	Present study
	D. capensis	TNP, SA	–	–	OR723767	Present study
	D. capensis	Chintsa East, SA	–	OR724717	OR723770	Present study
	Archosargus probatocephalus	Mississippi, USA	AY222161	AY222284	–	Olson et al. (2003)
	Sabella pavoninab	Tunisia	KX671315	–	–	Wee et al. (2017)
	Sparus aurata	Tunisia	–	KX671302	–	Wee et al. (2017)
	Lithognathus mormyrus	Tunisia	–	KU052937	–	Antar and Gargouri (2016)
	S. pavoninab	Tunisia	–	KU052941	–	Antar and Gargouri (2016)
	Thalassoma jansenii	Queensland, AUS	KX671325	–	–	Wee et al. (2017)
	Monodactylus argenteus	Queensland, AUS	–	KX671309	–	Wee et al. (2017)
	Chrysophrys auratus	Queensland, AUS	–	–	KY073875	Wee et al. (2017)
	Octopus sinensisb	Japan	–	LC618023	–	Izumi et al. (2021)
	S. sanguineus	Chile	–	KT865207d	–	Oliva et al. (2018)
Proctoeces major	S. sanguineus	Chile	KY432595d	KY432618d	–	Oliva et al. (2018)
	S. sanguineus	Chile	JX306110d	–	–	Oliva et al. (2018)
	Perumytilus purpuratusb	Chile	JQ782525	–	–	Muñoz et al. (2013)
Proctoeces cf. major	Octopus sinensisb	Japan	–	LC618023	–	Izumi et al. (2021)
Proctoeces sicyases	M. argenteus	Hope Island, AUS	AJ224469	–	–	Hall et al. (1999)
	M. argenteus	Moreton Bay, AUS	–	MZ687078	–	Cribb et al. (2021)
	Anarhichas lupus	North Sea, UK	Z12601	AY222282	–	Olson et al. (2003)
	Cerastoderma eduleb	Wadden Sea, The Netherlands	–	–	KF880498	Feis et al. (2015)
Outgroup
Coomera brayi	M. argenteus	Hope Island, AUS	AJ224469	–	–	Hall et al. (1999)
	M. argenteus	Moreton Bay, AUS	–	MZ687078	–	Cribb et al. (2021)
Fellodistomum fellis	Anarhichas lupus	North Sea, UK	Z12601	AY222282	–	Olson et al. (2003)
Gymnophallus choledochus	Cerastoderma eduleb	Unspecified	–	–	KF880498	Feis et al. (2015)

AUS, Australia; TNP, Tsitsikamma section of the Garden Route National Park; SA, South Africa; UK, United Kingdom; USA, United States of America.

^aListed on GenBank as Proctoeces cf. lintoni.

^bHost is not a fish.

^cListed on GenBank as Proctoeces lintoni.

^dListed on GenBank as Proctoeces sp.