Table 1.

Nemertean species reported to be involved in synthesis of TTX and derivatives.

Class	Order	Species	Source
Anopla	Palaeonemertea	Cephalothrix sp.	[11,12,13]
		Cephalothrix linearis	[14,15]
		Cephalothrix rufifrons	[10]
		Cephalothrix simula	[16,17]
		Tubulanus punctatus	[9]
	Heteronemertea	Lineus alborostratus	[16]
		Lineus fuscoviridis	[9]
		Lineus longissimus	[10]
		Lineus ruber	[10]
		Lineus torquatus	[16]
		Lineus viridis	[10]
		Ramphogordius sanguineus	[10]
		Riseriellus occultus	[10]
Enopla	Hoplonemertea	Amphiporus sp.	[16]
		Amphiporus lactifloreus	[10]