Two paratype specimens were assigned to Tianzhenosaurus: HBV-10002, an incomplete mandible; HBV-10003, cervical vertebrae, dorsal vertebrae, caudal vertebrae, a sacral complex, ilia, pectoral girdles, pelvic girdles, fore and hind limbs with fore and hind feet, tail club and osteoderms. The holotype and paratype specimens were obtained from the Huiquanpu Formation and are housed at the Geoscience Museum, Hebei GEO University, Shijiazhuang.
Two representative specimens of Tianzhenosaurus were designated: HBV-10002, a fragmentary lower jaw; HBV-10003, cervical, dorsal, caudal vertebrae, sacral complex, ilia, pectoral and pelvic girdles, fore and hind limbs with feet, tail club, and scutes. The holotype and representative specimens were collected from the Huiquanpu Formation and are preserved at the Geoscience Museum, Hebei GEO University, Shijiazhuang.