The Penglaizhen Formation (simplified Chinese: 蓬莱镇组; traditional Chinese: 蓬萊鎮組; pinyin: Péngláizhèn Zǔ), is a geological formation in Sichuan, China.

[1] However, a subsequent study suggested that the dates for the Suining Formation have been altered by geologic processes.

[2] Dinosaur remains are among the fossils that have been recovered from the formation.

[3] Indeterminate ornithischian tracks have been recovered from Penglaizhen outcrops in Sichuan, China.

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