Shi, G. R., Chen, Z. -Q., & Han, N. -R. (2002). PermophricodothyrisPavlova, 1965 (Brachiopoda, Spiriferida) from the Permian of South China: its morphology, biostratigraphy and distribution. PalZ, 76(2), 369-383. doi:10.1007/bf02989872
Shi, G. R., Chen, Z. -Q., & Han, N. -R. (2002). PermophricodothyrisPavlova, 1965 (Brachiopoda, Spiriferida) from the Permian of South China: its morphology, biostratigraphy and distribution. PalZ, 76(2), 369-383. doi:10.1007/bf02989872