Genus: Kazakhstanosaurus EFIMOV, AKHMEDENOV & YAKUPOVA, 2019
Etymology: In reference to Kazakhstan, where the speicmen was discovered and Greek, sauros, "lizard."

Species: shchuchkinensis EFIMOV, AKHMEDENOV & YAKUPOVA, 2019
Etymology: In reference to Shchuchkino village, West Kazakhstan region , Republic Kazakhstan

Holotype: West Kazakhstan State University (WKSU), ex. No. 750

Locality: Shchuchkino village, West Kazakhstan region , Republic Kazakhstan

Horizon: Middle Volga Stage.

Biostratigraphy: Zaraiskites zarajskensi zone.

Age: Late Jurassic.

Material: Part skull (Rostral, lateral, occipital parts, teeth, plates of the sclerotic ring), spinal column (Atlas and epistrophy, 52 vertebrae from different parts), ribs and nerve arches with spinous processes, humeral and pelvic belts, front and hind limbs

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Species: subbotini EFIMOV, EFIMOV, YAKUPOVA & AKHMEDENOV, 2019 (nomen nudum)
Etymology:

Holotype:

Locality:

Horizon:

Biostratigraphy:

Age:

Material:

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Species: efimovi YAKUPOVA & AKHMEDENOV, 2021
Etymology: In honor of Efimov.

Holotype: GM kFU P 1724

Locality: Ulyanovsk region, Gorodische Section, Middle Volga Region, European Russia.

Horizon:

Biostratigraphy: Zaraiskites zarajskensis zone.

Age: Middle Volgian substage. Late Jurassic.

Material:Fragmentary skeleton.

Breakdown as follows:

GM KFU P 1724/1: Atlas + epistropheus.

GM KU P 1724/2: Cervical vertebrae.

GM KUF P 1724/5: Anterior vertebra.

GM KUF P 1724/7: Sacralvertebra.

GM KUF P 1724/10: Caudal vertebra.

GM KUF P 1724/12: Fragment of left coracoid.

GM KFU P1724/13: Sacral vertebra, right scapula.

GM KUF P 1724/14: Fragment of right coracoid.

GM KUF P 1724/15: Humerus.

GM KUF P 1724/16: Radius.