Valkov A.K. (1987). Biostratigrafyia nizhnego kembriya vostoka Sibirskoy Platformy; Yudomo-Olenkskiy region [= Biostratigraphy of the Lower Cambrian of the east of the Siberian Platform: Yudomo-Olekma region]. <em>Moscow: Nauka.</em> 136 pp. [in Russian]. page(s): 120, pl. 16, fig. 4 [details]
original descriptionValkov A.K. (1987). Biostratigrafyia nizhnego kembriya vostoka Sibirskoy Platformy; Yudomo-Olenkskiy region [= Biostratigraphy of the Lower Cambrian of the east of the Siberian Platform: Yudomo-Olekma region]. <em>Moscow: Nauka.</em> 136 pp. [in Russian]. page(s): 120, pl. 16, fig. 4 [details]
original description(ofPurella squamulosa Y. Qian & Bengtson, 1989 †)Qian Y., Bengtson S. (1989). Palaeontology and Biostratigraphy of the Early Cambrian Meishucunian Stage in Yunnan Province, South China. <em>Fossils and Strata.</em> 24: 1–156. page(s): 9, textfig. 61 [details]
basis of recordEsakova N.V., Zhegallo E.A. (1996). Biostratigrafiya i fauna nizhnego kembriya Mongolii [= Biostratigraphy and fauna of Lower Cambrian of Mongolia]. <em>Moscow: Nauka, 216 pp. [in Russian].</em> page(s): 161 [details]
additional sourceParkhaev, P. Y.; Demidenko, Y. E. (2010). Zooproblematica and mollusca from the Lower Cambrian Meishucun section (Yunnan, China) and taxonomy and systematics of the Cambrian small shelly fossils of China. <em>Paleontological Journal.</em> 44(8): 883-1161., available online athttps://doi.org/10.1134/s0031030110080010 page(s): 995, pl. 46, figs. 1–6; Pl. 47, figs. 1–5 [details] Available for editors [request]
Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Fossil range Lower Cambrian [details] Type locality Russia, Yakutia, Siberian Platform, Anabar Region, Olenek River [details]
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