“…FMRFamide-like immunoreactivity has been reported during very early neural development in all molluscan larvae examined to date including gastropods (Croll and Voronezhskaya, 1996;Dickinson et al, 1999Dickinson et al, , 2000Dickinson and Croll, 2003), polyplacophorans (Friedrich et al, 2002;Voronezhskaya et al, 2002), scaphopods (Wanninger and Haszprunar, 2003), bivalves (Voronezhskaya et al, 2008), and cephalopods (Wollesen et al, 2008(Wollesen et al, , 2010. In fact, similar observations have also been made in representative larvae of the wider Lophotrochozoa (Hay-Schmidt, 1990a,b, 1995.…”