Published online by Cambridge University Press: 18 November 2009
1. A new trematode Reesella doviensis n.g., n.sp., from the Oystercatcher, Haematopus ostralegus occidentalis, is described.
2.The validity of including P. progeneticum, P. marilae and P. varium in the genus Psilostomum is questioned and it is suggested that P. marilae be removed to the genus Psilotrema Odhner, 1913.
3.The placing of the genus Ribeiroia in the family Cathaemasiidae is also questioned, and it is suggested that it has closer affinities with the genera in the family Psilostomatidae.