hymenocerid

Instead, there appear to be at least two clades of Pontoniinae species (Clades I and II as per Kou et al., 2013b ; Gan et al., 2015 ), including the ex-gnathophyllid and hymenocerid genera in Clade II, and yet these two clades of Pontoniinae do not necessarily form a clade with each other ( Fig.