Family Magelonidae

Species: Magelona crenulata Bolivar & Lana 1986 References: Almeida & Vivan (2011), Almeida et al. (2012) Environment: Bay, inner continental shelf Depth: 6–12 m

Coordinates: 27°14'58"S / 48°35'18"W

Museum: IBUFRJ-1123

Species: Magelona papillicornis Müller 1858

References: Müller (1858), Coelho (1992), Santos (2000), Brasil (2003), Silva (2004), Souza (2004), Pagliosa (2005), Pagliosa & Barbosa (2006), Almeida (2007), Netto et al. (2007), Souza (2008), Becker (2009), Vivan et al. (2009), Oortman (2010), Almeida & Vivan (2011), Almeida et al. (2012), Pagliosa et al. (2012)

Environment: Bay, coastal lagoon, estuarine beach, tidal flat, inner continental shelf

Depth: Intertidal– 12 m

Coordinates: 27°29'S / 48°30'W, 27°27'S / 48°37'W, 27°28'51.42"S / 48°29'4.63"W, 27°27'46.2"S / 48°31'18.6"W, 27°27'50.4"S / 48°31'34.2"W, 26°53'36.6"S / 48°37'00.0"W, 27°34'S / 48°27'W, 27°35'S / 48°35'W, 27°27'36"S / 48°31'39.6"W, 27°17'17"S / 48°33'46"W, 27°17'10"S / 48°32'51"W, 27°17'13"S / 48°35'09"W, 27°14'50"S / 48°33'44"W, 27°14'52"S / 48°32'02"W, 27°13'08"S / 48°33'25"W, 27°13'52"S / 48°35'W, 27°11'04"S / 48°31'53"W, 27°11'58"S / 48°32'32"W, 26°12'59"S / 48°36'39"W, 26°13'29"S / 48°37'13"W, 26°12'49"S / 48°36'51"W, 26°12'50"S / 48°39'24"W, 26°11'59"S / 48°37'41"W, 26°12'08"S / 48°37'32"W, 26°10'59"S / 48°36'19"W, 26°11'27"S / 48°37'50"W

Museum: MCBM-BPO-99-101, IBUFRJ-1124

Species: Magelona posterelongata Bolivar & Lana 1986

References: Souza (2008), Vivan et al. (2009), Almeida & Vivan (2011), Almeida et al. (2012)

Environment: Bay, inner continental shelf

Depth: 1–12 m

Coordinates: 27°35'S / 48°35'W, 27°38'16"S / 48°32'37"W, 27°17'17"S / 48°33'46"W, 27°18'27"S / 48°34'25"W,

27°14'52"S / 48°32'02"W, 27°17'10"S / 48°32'51"W, 27°13'52"S / 48°35'W, 27°14'50"S / 48°33'44"W, 27°12'30"S / 48°31'20"W, 27°13'08"S / 48°33'25"W, 27°11'57"S / 48°30'33"W, 27°11'58"S / 48°32'32"W, 26°53'36.6"S / 48°37'00.0"W

Museum: IBUFRJ-1125

Species: Magelona riojai Jones, 1963 References: Almeida et al. (2012) Environment: Inner continental shelf Depth: 10–12 m

Coordinates: Between 26º18'-27º18' Museum: IBUFRJ-1127

Species: Magelona sp. 2

References: Brasil (2003)

Environment: unknown

Depth: unknown

Coordinates: unknown

Note: This material needs to be revised. It is probably a new species.

Species: Magelona sp. 3

References: Brasil (2003)

Environment: unknown

Depth: unknown

Coordinates: unknown

Note: This material needs to be revised. It is probably a new species.

Species: Magelona variolamellata Bolivar & Lana 1986

References: Bolivar & Lana (1988), Marenzi (2002), Brasil (2003), Souza (2008), Vivan et al. (2009), Almeida &

Vivan (2011), Almeida et al. (2012)

Environment: Bay, inner continental shelf

Depth: 1–12 m

Coordinates: 27°35'S / 48°35'W, 26°53'36.6"S / 48°37'00.0"W, 26°46'10"S / 48°47'45"W, 27°18'12"S / 48°33'21"W, 27°18'27"S / 48°34'25"W, 27°17'13"S / 48°35'09"W, 27°17'17"S / 48°33'46"W, 27°14'58"S / 48°35'18"W, 27°17'10"S / 48°32'51"W, 27°14'50"S / 48°33'44"W, 27°14'52"S / 48°32'02"W, 27°11'58"S / 48°32'32"W, 27°13'08"S / 48°33'25"W

Museum: IBUFRJ-1126