Yang, A.; Huang, D.; Clark, B.; Sendino, C. (2020). Description of new Permian orthocerid forms from Gufeng Formation of South China (the Yangtze Craton) and their palaeobiogeographic implications in the Palaeotethys. Historical Biology. 33(11): 2804-2821.
Description of new Permian orthocerid forms from Gufeng Formation of South China (the Yangtze Craton) and their palaeobiogeographic implications in the Palaeotethys