Table 1.

List of terminal taxa used in molecular analysis, GenBank accession numbers, status of the species, locality of analysed specimen, and voucher specimen catalogue numbers.

Species	GenBank accession number	Status	Locality	Voucher specimen
Eunicecf.violaceomaculata Ehlers, 1887	GQ497542	valid	Carrie Bow Cay, Belize
Palolaviridis Gray in Stair, 1847	GQ497556	valid	Kosrae, Micronesia
Leodicerubra (Grube, 1856)	GQ497528	valid	Ceará, Brazil
M.aegypti Elgetany, El-Ghobashy, Ghoneim & Struck, 2018	MF196968	valid	Suez Canal, Egypt
M.bifurcata Kott, 1951	KX172177	valid	Lizard Island, Australia
M.brevitentaculata Treadwell, 1921	GQ497548	valid	Quintana Roo, Mexico
M.californica Moore, 1909	GQ497552	valid	California, USA
M.disjuncta Hartman, 1961	GQ497549	valid	California, USA
M.fauchaldi Glasby & Hutchings, 2010	KX172165	valid	North Australia
M.kristiani Zanol et al., 2016	KX172141	valid	Cowan Creek, Australia
M.mossambica (Peters, 1854)	KX172164	valid	Australia
M.mullawa Hutchings & Karageorgopoulos, 2003	KX172166	valid	Careel Bay, Australia
M.pseudosessiloa Zanol, da Silva & Hutchings, 2017	KY605405	valid	Careel Bay, Australia
M.victori Lavesque, Daffe, Bonifácio & Hutchings, 2017	MG384997	valid	Arcachon, France
M.viridis Treadwell, 1917	GQ497553	valid	Ceará, Brazil
M.sanguinea (Montagu, 1813)	GQ497547	valid	Callot Island, France
	MK541904	valid	Cornwall, UK	AM W.51410
	MK950851	valid	Cornwall, UK	MNHN-IA-TYPE 1856
	MK950852	valid	Cornwall, UK	MNRJP002048
	MK950853	valid	Arcachon, France	MNHN-IA-TYPE 1857
	MK967470	valid	Brest, France	AM W. 49085
	MH826265	invalid	USA
	KP255196	invalid	USA
	KR916873	invalid	Portugal
	AY040708	invalid	?
	KY129890	invalid	East China Sea
	KY129891	invalid	East China Sea
	KF733802	invalid	Yellow Sea, China
	EU352317	invalid	China?
	EU352316	invalid	China?