From: Raes, M.; Decraemer, W.; Vanreusel, A. (2009). Draconematidae (Nematoda) from cold-water corals in the Porcupine Seabight: The genus Cygnonema Allen & Noffsinger, 1978. Organisms Diversity & Evolution. 9(1): 37.e1-37.e20
From: Decraemer, W. (1982). Draconematidae and Epsilonematidae (Nematoda) from Laing Island Papua New Guinea, with one new genus and three new species. Bull. Inst. r. Sci. nat. Belg. 54:1-22.