A, general organisation (from a live specimen). B, reconstruction of the atrial organs from the left hand side (from the holotype).
from Reygel PC, Willems W, Artois T (2011) Koinocystididae and Gnathorhynchidae (Platyhelminthes: Rhabdocoela: Kalyptorhynchia) from the Galapagos, with the description of three new species Zootaxa 3096: 27-40
