Hydroides alatalateralis (Jones, 1962)
Eupomatus alatalateralis Jones, 1962: 205 –207, Figs 139–146. Type locality: Port Royal, Jamaica.
Hydroides alatalateralis (Jones, 1962) .— Laverde-Castillo 1986: 128 and 1988: 88 (Colombian Pacific; brackish-water bay with salinity range of 18–23 PSU, 1–10 m, on rocks); Bastida-Zavala & Salazar-Vallejo 2000b: 842–844, Fig. 1 a, w (Louisiana and Cuba); Bastida-Zavala & ten Hove 2002: 115–118, Figs 5 A–O, 9A–F, 10 (Cuba, Jamaica, Puerto Rico, Montserrat, Cura ҫao, Atlantic Colombia; 0–20 m).
Habitat. Intertidal to subtidal (20 m); on corals and sponges (Bastida-Zavala & ten Hove 2002). Laverde-Castillo (1988: 88) collected one specimen from a Colombian brackish-water bay (salinity range of 18–23 PSU), on rocks.
Distribution. Hydroides alatalateralis is native to the tropical Western Atlantic. Northern Gulf of Mexico, Caribbean Sea (Bastida-Zavala & ten Hove 2002). Laverde-Castillo (1988) recorded the only specimen on the Pacific side of Colombia.
Remarks. The species was not found in this study, but see Overview of the sabellid and serpulid introductions, below.