Two known and one new species of Draconematidae and Epsilonematidae (Nematoda, Desmodorida) from the White Sea, North Russia Author Fedyaeva, Maria A. Author Neretina, Tatjana V. Author Konovalova, Olga P. Author Tchesunov, Alexei V. text Zootaxa 2016 4121 4 383 411 journal article 38898 10.11646/zootaxa.4121.4.2 907706ea-f5d6-4f8f-91f2-1083a6687b6e 1175-5326 265069 D6F1D690-31AC-47AD-A81C-25FC823599DB Subfamily Draconematinae Filipjev, 1918 Diagnosis (emend. after Lorenzen 1994 ; Allen & Noffsinger 1978 ; Decraemer et al . 1997 ): Draconematidae . Body clearly swollen in pharyngeal and midbody regions with distinct narrowing between them. Pharynx dumbbell-shaped, i.e. swollen anterior corpus and posterior bulb with isthmus between them. Buccal cavity small and unarmed. Type genus: Draconema Cobb, 1913 .