MolluscaBase taxon details
original description
(of Helcionella nana Y.-Y. Chen & S.-S. Zhang, 1980 †) Chen, Y.-Y.; Zhang, S.-S. (1980). Small Shelly Fossils from the Early Lower Cambrian, Sonlingpo, Eastern Yangtze Gorges. <em>Geological Review.</em> 26(3): 190-197, 283-284.
page(s): pl. 2, fig. 27 [details]
basis of record
Yang, B.; Steiner, M.; Li, G.; Keupp, H. (2014). Terreneuvian small shelly faunas of East Yunnan (South China) and their biostratigraphic implications. <em>Palaeogeography, Palaeoclimatology, Palaeoecology.</em> 398: 28-58., available online at https://doi.org/10.1016/j.palaeo.2013.07.003
page(s): 55, fig. 20, A, B, G [details] Available for editors
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