Stygophrynus Kraepelin, 1895

Stygophrynus Kraepelin 1895: 44; Kraepelin 1899: 248; Pocock 1900: 129; Gravely 1915: 443; Mello-Leitão 1931: 53; Werner 1935: 471; Weygoldt 2000: 25; Weygoldt 2002: 133; Rahmadi & Harvey 2008: 281; Rahmadi, Harvey & Kojima 2010: 19; Rahmadi, Harvey & Kojima 2011: 225.