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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 (Oct. 2014), 1–21. DOI:https://doi.org/10.11646/zootaxa.3872.1.1.