original description
Missarzhevsky V.V. & Mambetov A.M. (1981). Stratigrafiya i fauna pogranichnykh sloyev Kembriya i Dokembriya Malogo Karatau [Stratigraphy and fauna of the Precambrian-Cambrian boundary beds of the Malyy Karatau]. <em>Trudy Geologicheskogo Instituta AN SSSR.</em> 326:1-90. [In Russian].
page(s): 50 [details] Available for editors [request]
additional source
Missarzhevsky, V. V. (1989). Drevneishie skeletnye okamenelosti i stratigrafiia pogranichnykh tolshch Dokembriia i Kembriia [Oldest skeletal fossils and stratigraphy of Precambrian and Cambrian boundary beds]. <em>Trudy Geologicheskogo Instituta, Akademiia Nauk SSSR.</em> 443: 237 pp., 32 pls.
page(s): 177, pl. V, fig. 10, 11 [details]
status source
Parkhaev, 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 at https://doi.org/10.1134/s0031030110080010
page(s): 1051 [details] Available for editors [request]
From editor or global species database
Fossil range Lower Cambrian [details]