Aspidosiphon (Aspidosiphon) elegans (Chamisso & Eysenhardt, 1821): 351–352, pl. 24, fig. 5a–e, as Sternaspis elegans;

type locality: Radack, Marshall Islands. — Fonseca & Cortés 1988: 172–173, as A. elegans (Pacific of Costa Rica). — Dean 2001: 89 (Golfo Dulce, Costa Rica, in dead coral). — Dean et al. 2010: 63–64, as A. elegans (Chatham Bay, Point Ulloa and Wafer Bay, Cocos Island, Costa Rica). Questionable records in the TEP.