placenticephalus is an extinct temnospondyl amphibian from Middle Jurassic-aged ShaximiaoFormation in the Sichuan basin, China. S. placenticephalus is one of the youngest
Xue, J.-Z. (2022). "A new tritylodontid from the Middle Jurassic ShaximiaoFormation of western Hubei, China". Historical Biology: 1–10. doi:10.1080/08912963
Jin-Zhuang (2022-07-06). "A new tritylodontid from the Middle Jurassic ShaximiaoFormation of western Hubei, China". Historical Biology: 1–10. doi:10.1080/08912963
Jin-Zhuang (2022-07-06). "A new tritylodontid from the Middle Jurassic ShaximiaoFormation of western Hubei, China". Historical Biology: 1–10. doi:10.1080/08912963
(2022). "New Stegosaurs from the Middle Jurassic Lower Member of the ShaximiaoFormation of Chongqing, China". Journal of Vertebrate Paleontology. 41 (5):
(2022-03-03). "New Stegosaurs from the Middle Jurassic Lower Member of the ShaximiaoFormation of Chongqing, China". Journal of Vertebrate Paleontology. doi:10
Plates of Ceratodus (Dipnoi, Ceratodontidae) from the Upper Jurassic ShaximiaoFormation of Guang'an, Sichuan Province, China". Acta Geologica Sinica (English
(2022-03-30). "New stegosaurs from the Middle Jurassic Lower Member of the ShaximiaoFormation of Chongqing, China". Journal of Vertebrate Paleontology. 41 (5):
(2022). "New Stegosaurs from the Middle Jurassic Lower Member of the ShaximiaoFormation of Chongqing, China". Journal of Vertebrate Paleontology. 41 (5):
(Dinosauria: Sauropoda) material from the middle Jurassic lower ShaximiaoFormation of Yunyang, Chongqing, China". Historical Biology. 34 (6): 1085–1099