Table 2.

Tissues in which the pax6, eya, six, and dac genes are expressed in other organisms.

Gene	Species	Tissues	References
pax6	Euprymna scolopes	Eye, Optic lobe, Statocysts, Olfactory organ, Tentacles, Mantle, Gills*, Light organ*	Hartmann et al., 2003; Present study*
	Doryteuthis opalescens	Eye, Optic lobe, Olfactory organ, Tentacles, Mantle	Tomarev et al., 1997
	Sepia officinalis	Eye, Optic lobe, Ganglia, Tentacles, Gills, White body	Navet et al., 2009
	Platynereis dumerilii	Eye	Arendt et al., 2002
	Mus musculus	Eye, Brain, Olfactory epithelium	Duan et al., 2013; Davis and Reed, 1996; Chung et al., 2010
	Drosophila	Eye, Brain, Nerve cord	Quiring et al., 1994
	Danio rerio	Eye, Brain	Amirthalingam et al., 1995;
	Schmidtea polychroa	Eye	Martin-Duran et al., 2012
	Dugesia japonica	Eye	Dong et al., 2012
eya	Euprymna scolopes	Eye, Optic lobe, Statocysts, Olfactory organ, Tentacles, Mantle, Gills, Light organ	Present study
	Mus musculus	Eye, Ear, Nasal placode, Metanephric mesenchyme	Abdelhak et al., 1997; Xu et al., 1997, 2003;
	Drosophila sp.	Muscle	Heanue et al., 1999
	Schmidtea polychroa	Eye	Martin-Durán et al., 2012
	Dugesia japonica	Eye	Dong et al., 2012
six/so	Euprymna scolopes	Eye, Optic lobe, Statocysts, Olfactory organ, Tentacles, Mantle, Gills, Light organ	Present study
	Platynereis dumerilii	Eye	Arendt et al., 2002
	Mus musculus	Neural plate, Metanephric mesenchyme	Oliver et al., 1995; Xu et al., 2003
	Drosophila sp.	Muscle	Heanue et al., 1999
	Cladonema radiatum	Eye, Manubrium, Tentacles, Gonads, Umbrella	Stierwald et al., 2004; Graziussi et al., 2012
	Schmidtea polychroa	Eye	Martin-Durán et al., 2012
	Dugesia japonica	Eye	Dong et al., 2012
dac	Euprymna scolopes	Eye, Optic lobe, Statocysts, Olfactory organ, Tentacles, Mantle, Gills, Light organ	Present study
	Mus musculus	Eye, Optic cup, Neural crest, Brain, Limb, Otic vesicle, Genitalia	Hammond et al., 1998; Davis et al., 1999; Caubit et al., 1999
	Drosophila sp.	Eye, Limb, Muscle	Mardon et al., 1994; Heanue et al., 1999
	Oryzias latipes	Eye, Central nervous system, Pancreas, Finbuds	Loosli et al., 2002
	Schmidtea polychroa	Eye	Martin-Durán et al., 2012