New taxa in: J.R. BEAN & G.J. VERMEIJ. Califostoma: A new genus of Neogene muricid gastropods from the northeastern Pacific and its relationship to the living South American genus Crassilabrum
Califostoma rotundivaricosum Bean & Vermeij, 2016 – holotype
Type locality: El Rancho Del Rey, San Diego Formation, San Diego County, California.