Traits name details
original description
Gu, Z.-W.; Huang, B.-Y.; Chen, C.-Z.; Wen, S.-X.; Ma, Q.-H.; Lan, X.; Xu, J.-T.; Liu, L.; Wang, S.-M.; Wang, D.-Y.; Qiu, R.-Z.; Huang, Z.-Q.; Zhang, Z.-M.; Chen, J.-H.; Wu, P.-L. (1976). The Lamellibranch Fossils of China. Science Press, Beijing, 522 pp. page(s): 358-359, pl. 109, figs 1-4 [details] Available for editors 
basis of record
Pan, Y.; Yin, J.; Sha, J.; Wang, Y. (2016). Non-marine bivalve <em>Trigonioides (Trigonioides) quadratus</em> from the Cretaceous strata of the Lhasa Block, Tibet, and its biostratigraphic implications. <em>Paleontological Research.</em> 20(1): 61-69., available online at https://doi.org/10.2517/2015pr025 page(s): 66 [details] Available for editors 
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