MolluscaBase taxon details
original description
Helwerda R.A. (2015). Acteonidae, Bullinidae and Ringiculidae (Gastropoda: Heterobranchia) from the Plio-Pleistocene of the Philippines. <em>Zootaxa.</em> 3990(2): 197-220., available online at https://doi.org/10.11646/zootaxa.3990.2.2
page(s): 212, figs 29-30 [details]