Villalobos, C.R. 1980. Variations in population structure in the genus <i>Tetraclita</i> (Crustacea: Cirripedia) between temperate and tropical populations. IV. The age structure of <i>T. stalactifera</i> and concluding remarks. Revista de Biología Tropical. 28, 2 (dic. 1980), 353–359.