“…The distribution data were compiled from the following papers: Alonso et al (1987), Alonso et al (2000), Altonaga et al (1994), Alzona (1971), Baker (1941), Forcart (1978), Groh (1983), Groh & Hemmen (1986), Grossu (1983), Hausdorf (1995), Ibáñez et al (1987), Jaeckel et al (1958), Kerney et al (1983), Manganelli et al (1995), Morales et al (1988), Mordan & Martins (2001), Neubert (1998), Pilsbry (1946), Rähle (1980), Schileyko (1986), Valido et al (1990), Valido et al (1993), Wiktor & Backeljau (1995).…”