n.1.(Zool.) A member of the Platyhelminthes.
References in periodicals archive ?
Indirect-developing plathelminths often have a so-called Muller-type larva that remains planktonic for several days or even weeks (Smith et al, 2002).
The adult bodywall musculature of direct-developing turbellarian-like plathelminths as well as parasitic forms is highly complex and includes interwoven sets of ring, diagonal, and longitudinal muscles (Rieger et al.
Two ventral cords are also expressed in adult nemertines, while plathelminths may have between two and eight cords (Table 1).