Sartori, A.F. & Bieler, R. (2014). Three new species of Ammonicera from the Eastern Pacific coast of North America, with redescriptions and comments on other species of Omalogyridae (Gastropoda, Heterobranchia). Zootaxa. 3872(1): 1-21.
Three new species of <i>Ammonicera</i> from the Eastern Pacific coast of North America, with redescriptions and comments on other species of Omalogyridae (Gastropoda, Heterobranchia)