Traits taxon details
original description
(of Trigonioides (Wakinoa) ovalis Z.-W. Gu & Q.-H. Ma, 1976 †) Ma, Q.-H.; Chen, J.-H.; Lan, X.; Gu, Z.-W.; Chen, C.-Z.; Lin, M.-J. (1976). Mesozoic lamellibranch fossils from Yunnan. <em>In: Nanjing Institute of Geology and Palaeontology (Ed.) Mesozoic Fossils from Yunnan, part 1. Science Press, Beijing.</em> pp. 161-386. page(s): 240-241, pl. 17, figs 9-11 [details] Available for editors 
basis of record
Guo, F.-X. (1985). Fossil Bivalves of Yunnan. Yunnan Science and Technology Publishing House, Kunming, 319 pp. page(s): 195 [details] Available for editors 
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