Chilkaia Preston, 1915 (verified source for family)
Couthonyia Simroth in Bronn, 1907 accepted as
Couthouyia A. Adams, 1860 accepted as
Macromphalus S. V. Wood, 1842 (verified source for family)
Couthoya Schaufuss, 1869 accepted as
Couthouyia A. Adams, 1860 accepted as
Macromphalus S. V. Wood, 1842 (verified source for family)
Fossarius Whitfield, 1891 accepted as
Fossarus Philippi, 1841 (verified source for family)
Fossarus Philippi, 1841 (verified source for family)
Gotoina Dunker, 1882 (verified source for family)
Gottonia Preston, 1908 (verified source for family)