● Nakagawa Y,Hamana K,Sakane T,Yamasato K (1997). Reclassification of Cytophaga aprica (Lewin 1969) Reichenbach 1989 in Flammeovirga gen. nov. as Flammeovirga aprica comb. nov. and of Cytophaga diffluens (ex Stanier 1940; emend. Lewin 1969) Reichenbach 1989 in Persicobacter gen. nov. as Persicobacter diffluens comb. nov. Int. J. Syst. Bacteriol. 47, 220-3.