Tihkia corrugata (FOSSIL) Sahni & Tewari, 1958 †
Tihkia karooensis (FOSSIL) (L.R. Cox, 1932 †)
Silesunio parvus (FOSSIL) Skawina & Dzik, 2011 †
Tihkia silesiaca (FOSSIL) Skawina & Dzik, 2011 †