Traits name details
original description
Yu, X.-H. (1987). New material of fresh-water genus <em>Nippononaia</em> (Bivalvia) from western Liaoning, China. In: Yu, X.-H.; Wang, W.-L.; Liu, X.-T.; Zhang, W.; Zheng, S.-L.; Zhang, Z.-C.; Yu, J.-S.; Ma, F.-Z.; Dong, G.-Y.; Yao, P.-Y. (eds) Mesozoic Stratigraphy and Palaeontology of Western Liaoning, Vol. 3. Geological Publishing House, Beijing, pp. 117-133. page(s): 127, pl. 1, figs 10-13 [details] Available for editors 
source of synonymy
Sha, J. (2007). Cretaceous trigonioidid (non-marine Bivalvia) assemblages and biostratigraphy in Asia with special remarks on the classification of Trigonioidacea. <em>Journal of Asian Earth Sciences.</em> 29(1): 62-83., available online at https://doi.org/10.1016/j.jseaes.2006.01.003 page(s): 80 [details] Available for editors 
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