The Lianmuqin Formation,[2] also transcribed as Lianmugin Formation,[3] and Lianmuxin Formation,[4] is an Early Cretaceous geologic formation composed of "interbedded red green and yellow variegated mudstones and siltstones".

[5][6] Dinosaur remains have been recovered from it.

[7] The formation is named after Lianmuqin Town in Shanshan County, Xinjiang.