Family: Serpulidae

Species: Filograna implexa Berkeley 1835 References: Zibrowius (1970)

Environment: Continental slope

Depth: 250 m

Coordinates: Between 27°–28°S

Species: Hydroides dirampha Mörch 1863

References: Zibrowius (1970), Rullier & Amoureux (1979) Environment: Inner continental shelf, outer continental shelf Depth: 18–90 m

Coordinates: Between 27°–28°S, 27°15'S / 48°29'W

Species: Hydroides gairacensis Augener 1934 References: Zibrowius (1970)

Environment: Middle continental shelf Depth: 33 m

Coordinates: Between 27°–28°S

Species: Hydroides plateni (Kinberg 1867) References: Rullier & Amoureux (1979) Environment: Inner continental shelf Depth: 18 m

Coordinates: 27°15'S / 48°29'W

Species: Neodexiospira brasiliensis (Grube 1872) References: Knight-Jones & Knight-Jones (1991) Environment: unknown

Depth: unknown

Coordinates: unknown

Note: This taxon seems to be endemic to the studied area.

Species: Pseudovermilia occidentalis (McIntosh 1885) References: Amaral & Rossi-Wongtschowski (2004) Environment: Continental slope

Depth: 165 m

Coordinates: 26°27'45"S / 44°30'21"W