Macrostomum ruebushi var kepneri Fig 1-4.jpg

Penisstilette entirely straight, thin walled, terminus sharply pointed, opening terminal. Sperm cells unextended, divided into tail, body, and feeler regions with highly refractive unit in body region, without 'Nebengeisseln'. p. 283

Scratchpads developed and conceived by: Vince Smith, Simon Rycroft, Dave Roberts, Ben Scott...