original description
Jacquet S.M., Brock G.A. (2016). Lower Cambrian helcionelloid macromolluscs from South Australia. <em>Gondwana Research.</em> 36: 333-358., available online at http://dx.doi.org/10.1016/j.gr.2015.06.012
page(s): 354 [details] Available for editors [request]
basis of record
Parkhaev, P. Y. (2019). The Cambrian molluscs of Australia: overview of taxonomy, biostratigraphy and paleobiogeography [In Russian]. <em>Stratigrafiya. Geologicheskaya Korrelyatsiya.</em> 27(2): 52-79., available online at https://doi.org/10.31857/s0869-592x27252-79
page(s): 53 [details] Available for editors [request]
From editor or global species database
Etymology Derived from the Latin galea meaning helmet and calvus for bare, reflecting the smooth exterior lacking concentric rugae [details]
Fossil range Lower Cambrian [details]