Turbellarian taxonomic database

Plagiostomidae Plagiostomum

without soft sole and ventral glandular concentration;
epithelium with nuclei;
basement membrane relatively thick;
brain in front of a large pharynx variabilis and shows neither remarkable size nor sharp outline;
3 posterior nerve trunks;
testes compact;
ovary compact;
vitellaria develop at same time as ovary or soon after;
marine and freshwater;