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;
Notes from synonyms
Return to Plagiostomidae Plagiostomum