Synstrophus Seidlitz 1898

Synstrophus Seidlitz 1898: 438.-Type species: Eustrophus macrophthalmus Reitter 1877 (orig. descr.); Leng 1920: 238; Hatch 1965: 66; Nikitsky 1989: 18; LeSage 1991: 246; Nikitsky 1992 a: 435; Poole and Gentili 1996: 300; Nikitsky 1998: 58; Young and Pollock 2002: 416; Nikitsky 2008: 63; Pollock 2008: 282.

Note.

There are five species of Synstrophus (Nikitsky 1998), distributed in China, Japan, Oriental region, and North America. Nikitsky (1998) mentioned that based on several characters, Synstrophus repandus (Horn) might eventually merit placement in a different genus-group taxon. A single species of Synstrophus is represented among Nearctic Eustrophinae .