Leech (Notostomobdella... www.superstock.com

Invert-E-Base Portal -... www.invertebase.org

Invert-E-Base Portal -... www.invertebase.org

Invert-E-Base Portal -... www.invertebase.org

Invert-E-Base Portal -... www.invertebase.org

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

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

Notostomum cyclostomum –... sv.wikipedia.org

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

Bildagentur | mauritius... www.mauritius-images.com

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

An annotated checklist of... repository.library.noaa.gov...

The Helmifltliological... science.peru.edu

Bildagentur | mauritius... www.mauritius-images.com

Data Report: 2005 Gulf of... apps-afsc.fisheries.noaa.go...

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

The Helmifltliological... science.peru.edu

대게 껍질에 붙어있는 알이 기생충이라고? :... blog.naver.com

PDF) The Biology of the... www.researchgate.net

An Assessment of Potential... cfpub.epa.gov