Xu, Q. J. (1978). Brachiopoda, in: Southwest Geological Science and Technology Research Institute (Ed.). Paleontological Atlas of Southwestern China, Sichuan Province. Beijing, Geological Publishing House, p. 289.
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Xu, Q. J.
1978
Brachiopoda, in: Southwest Geological Science and Technology Research Institute (Ed.)
Paleontological Atlas of Southwestern China, Sichuan Province