prostomium and dorsal pharynx

Licence: 
Creative Commons Licence
Description: 

Photographer: Wilson, Robin. Publisher: Wilson, Robin.

Creator: 
Wilson, Robin
Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith