Nemertea www.mindat.org

Prostoma – Wikipedia sv.wikipedia.org

Nemertea www.mindat.org

Anopla - Wikipedia ceb.wikipedia.org

Stimpson, William. 1857.... www.biodiversitylibrary.org...

Enopla - Wikipedia ceb.wikipedia.org

Planaria - Wikipedia war.wikipedia.org

Nemertea - Wikipedia war.wikipedia.org

Stimpson, William. 1857.... www.biodiversitylibrary.org...

Stimpson, William. 1857.... www.biodiversitylibrary.org...

August 21, 1884] NATURE www.nature.com

August 21, 1884] NATURE www.nature.com

xref... www.marinespecies.org

August 21, 1884] NATURE www.nature.com

220px- ... war.wikipedia.org

An introduction to animal... archive.org

An introduction to animal... archive.org

Род (биологија) —... sr.wikipedia.org

Agassiz – nomenclator... www.summagallicana.it

articles de animaux -... eol.org