This graphical table illustrates the gross morphology of entire mechanoreceptor neurons (C. elegans) or peripheral sensory endings (Drosophila, mice) and lists ion channel subunits that are expressed in each class of mechanoreceptor cell. Sources for C. elegans mechanoreceptor expression are listed by number above: 1) Driscoll and Chalfie, 1991, 2) Huang and Chalfie, 1994, 3) Chatzigeorgiou et al., 2010, 4) Smith et al., 2010, 5) Colbert et al., 1997, 6) Kindt et al., 2007, 7) Tavernarakis et al., 1997, 8) Hall et al., 1997, 9) Tobin et al., 2002, 10) Voglis and Tavernarakis, 2008, 11) Walker et al., 2000, 12) Li et al., 2006. Drosophila melanogaster sourcesare: 13) Gong et al., 2004, 14) Kim et al., 2003, 15) Lee et al., 2010, 16) Liang et al., 2011, 17) Gallio et al., 2011, 18) Lee et al., 2005, 19) Liu et al., 2007, 20) Hamada et al., 2008, 21) Kim et al., 2010, 22) Cheng et al., 2010, 23) Chen et al., 2010, 24) Liu et al., 2003, 25) Bechstedt et al., 2010, 26) Tracey et al., 2003, 27) Zhong et al., 2012, 28) Adams et al., 1998, 29) Zhong et al., 2010). These sources establishing expression in peripheral endings in mice and humans were consulted: 30) Calavia et al., 2010, 31) Montaño et al., 2009, 32)Drummond et al., 2000, 33) García-Añoveros et al., 2001, 34) Price et al., 2001, 35) Suzuki et al., 2003b, 36) Kwan et al., 2009, 37) Price et al., 2000, 38) Fricke et al., 2000, 39) Xu et al., 2002).