Uncharted biodiversity in the marine benthos: the void of the smallish with description of ten new Platyhelminth taxa from the well-studied North Sea

Table 5 Stylet sizes in Promesostoma species with a branched stylet

	Total stylet length (µm)	Position of stylet branch	Sources
P. balticum Luther, 1918	55/135	at $ {\raise0.7ex\hbox{$1$} \!\mathord{\left/ {\vphantom {1 3}}\right.\kern-0pt} \!\lower0.7ex\hbox{$3$}} $ length	Luther [36]
P. bipartitum Ax, 1956	80	at $ {\raise0.7ex\hbox{$1$} \!\mathord{\left/ {\vphantom {1 2}}\right.\kern-0pt} \!\lower0.7ex\hbox{$2$}} $ length	Ax [37]
P. cochleare Karling, 1935	140–155 (120–130)*	at $ {\raise0.7ex\hbox{$1$} \!\mathord{\left/ {\vphantom {1 4}}\right.\kern-0pt} \!\lower0.7ex\hbox{$4$}} $ length	Karling [38], Luther [36], *Ax [39]
P. paracochlearis Ax, 1952	210–233	at $ {\raise0.7ex\hbox{$1$} \!\mathord{\left/ {\vphantom {1 4}}\right.\kern-0pt} \!\lower0.7ex\hbox{$4$}} $ length	Ax [39]
P. wehrenbergi n. sp.	110–112	at $ {\raise0.7ex\hbox{$1$} \!\mathord{\left/ {\vphantom {1 2}}\right.\kern-0pt} \!\lower0.7ex\hbox{$2$}} $ length	This paper

ISSN: 1438-3888

	Total stylet length (µm)	Position of stylet branch	Sources
P. balticum Luther, 1918	55/135	at \( {\raise0.7ex\hbox{$1$} \!\mathord{\left/ {\vphantom {1 3}}\right.\kern-0pt} \!\lower0.7ex\hbox{$3$}} \) length	Luther [36]
P. bipartitum Ax, 1956	80	at \( {\raise0.7ex\hbox{$1$} \!\mathord{\left/ {\vphantom {1 2}}\right.\kern-0pt} \!\lower0.7ex\hbox{$2$}} \) length	Ax [37]
P. cochleare Karling, 1935	140–155 (120–130)*	at \( {\raise0.7ex\hbox{$1$} \!\mathord{\left/ {\vphantom {1 4}}\right.\kern-0pt} \!\lower0.7ex\hbox{$4$}} \) length	Karling [38], Luther [36], *Ax [39]
P. paracochlearis Ax, 1952	210–233	at \( {\raise0.7ex\hbox{$1$} \!\mathord{\left/ {\vphantom {1 4}}\right.\kern-0pt} \!\lower0.7ex\hbox{$4$}} \) length	Ax [39]
P. wehrenbergi n. sp.	110–112	at \( {\raise0.7ex\hbox{$1$} \!\mathord{\left/ {\vphantom {1 2}}\right.\kern-0pt} \!\lower0.7ex\hbox{$2$}} \) length	This paper