WoRMS - World Register of... www.marinespecies.org

Scalaria hi-res stock... www.alamy.com

WoRMS - World Register of... www.marinespecies.org

Smithsonian national museum... www.alamy.com

Scalaria hi-res stock... www.alamy.com

Scalaria hi-res stock... www.alamy.com

Molluscabase - Epitonium... www.molluscabase.org

Molluscabase - Epitonium... www.molluscabase.org

Scalaria hi-res stock... www.alamy.com

WoRMS - World Register of... www.marinespecies.org

Molluscabase - Epitonium... www.molluscabase.org

National museum of natural... www.alamy.com

WoRMS - World Register of... www.marinespecies.org

Scalaria hi-res stock... www.alamy.com

WoRMS - World Register of... www.marinespecies.org

Qm12 ramazzotti d & al 2016... issuu.com

Molluscabase - browser www.molluscabase.org

elenco sistematico... www.yumpu.com

Smithsonian national museum... www.alamy.com

Qm12 ramazzotti d & al 2016... issuu.com