A new mamenchisaurid from the Upper Jurassic Suining Formation of the Sichuan Basin in China and its implication on sauropod gigantism

Systematic paleontology

Saurischia²⁵.

Sauropodomorpha²⁶.

Sauropoda²⁷.

Eusauropoda²⁸.

Mamenchisauridae²⁹.

Tongnanlong zhimingi gen. et sp. nov.

Etymology. The generic name Tongnan, Chinese Pinyin, refers to the Tongnan District, where the holotype was…