Species: Exogone arenosa Perkins 1980

References: Attolini (2002), Pagliosa (2005), Rohr & Almeida (2006), Netto et al. (2007), Souza (2008)

Environment: Bay, estuarine beach, continental slope

Depth: Intertidal– 327 m

Coordinates: 28°35'S / 48°15'W, 28°51'36"S / 47°42'W, 27°10'18"S / 47°27'30"W, 27°29'S / 48°30'W, 26°38'S / 46°52'W,

26°06'54"S / 47°12'30"W, 26°22'30"S / 46°38'30"W, 27°35'S / 48°35'W

Species: Exogone dispar (Webster, 1879)

References: Temperini (1981)

Environment: Middle continental shelf, outer continental shelf, continental slope Depth: 50–174 m

Coordinates: 28°05'S / 48°07'W, 28°36'S / 47°39'W, 26°34'S / 48°10'W, 27°00'S / 47°04'W

Species: Odontosyllis heterofalchaeta Temperini 1981 References: Temperini (1981), Lana (1984) Environment: Inner continental shelf

Depth: 25 m

Coordinates: 29°10'S / 49°29'W

Species: Pionosyllis pectinata Temperini 1981 References: Temperini (1981), Souza (2008)

Environment: Bay, middle continental shelf, continental slope Depth: 1–160 m

Coordinates: 26°34'S / 48°10'W, 27°00'S / 47°04'W, 27°35'S / 48°35'W

Species: Salvatoria limbata (Claparède, 1868) References: Silva (2004) as Brania limbata. Environment: Coastal lagoon

Depth: 0.2 m

Coordinates: 27°34'S / 48°27'S

Species: Syllis hyalina Grube 1863 References: Santos (2000) as Tiposyllis hyalina. Environment: Bay

Depth: 1.5 m

Coordinates: 27°27'60"S / 48°31'66"W

Species: Typosyllis variegata (Grube, 1860)

References: Attolini (2002), Rohr & Almeida (2006)

Environment: Continental slope

Depth: 145–228 m

Coordinates: 28°24'54"S / 47°21'6"W, 27°19'12.6"S / 47°09'W, 27°48'S / 47°24'6"W, 26°38'S / 46°52'W, 26°22'30"S /

46°38'30"W