Sahni & Tewari. 1958. Records of the Geological Survey of India 87(2).
Sahni & Tewari, 1958. Rec. Geol. Surv. India 87(2): 410.
Type species: Tihkia corrugata Sahni & Tewari, 1958 = Tihkia corrugata
Sahni & Tewari, 1958. Rec. Geol. Surv. India 87(2): 410.