Hydroides parva (Treadwell, 1902)

Eupomatus parvus Treadwell, 1902: 210, Figs 79–80. Type locality: Boquerón Bay, Puerto Rico; on encrusting bryozoans. Hydroides parvus .— Bastida-Zavala & Salazar-Vallejo 2000b: 851, fig. 2n–p (Puerto Rico, southern Gulf of Mexico and Mexican Caribbean; intertidal to 41 m) ; Bastida-Zavala & ten Hove 2002: 127–129, Figs 12 A–K, 15 (Florida; southern Gulf of Mexico, Caribbean Sea and Brazil; 0.6 to 41 m) ; Rivera & Romero de Rivera 2008: 23 (El Salvador, eastern Pacific; questionable record).

Habitat. Intertidal to subtidal (41 m), on mangroves, sponges, sea urchin, bryozoans and as fouling on wood dock pilings (Bastida-Zavala & ten Hove 2002).

Distribution. Hydroides parva is native to the tropical Western Atlantic. Florida; southern Gulf of Mexico, Caribbean Sea and Brazil (Bastida-Zavala & ten Hove 2002). Rivera & Romero de Rivera (2008: 23) recorded the species from El Salvador; but is questionable because only is mentioned in a check-list, lacks a description or figures, but the specimen was placed in a collection (IM-An-Poly-Ser-001).

Remarks. The species was not found in this study, but see Records not confirmed, below.