Aspidosiphon (Aspidosiphon) gosnoldi Cutler, 1981: 445–449, as Aspidosiphon gosnoldi;

type locality: Eastern Florida, United States, USGS, 29°30′ N, 80°29′ W, 32 m). — Dean et al. 2010: 64, as A. gosnoldi (Chatham Bay, Wafer Bay, Manuelita Island and Point Ulloa, Cocos Island, Costa Rica, specimens removed from shell). Questionable record in the TEP.