Family Orbiniidae

Species: Leitoscoloplos kerguelensis (McIntosh 1885) References: Bolivar (1990)

Environment: Middle continental shelf Depth: 49 m

Coordinates: 26°49'S / 48°15'W

Museum: MCBM-BPO 488

Species: Naineris aurantiaca (Müller 1858) References: Müller (1858) as Theodisca aurantiaca . Environment: unknown

Depth: unknown

Coordinates: unknown

Note: Specimens from the type locality are needed to elucidate the taxonomical position of this species.

Species: Naineris setosa (Verrill 1900) References: Souza (2008) Environment: Bay

Depth: 1–4 m

Coordinates: 27°35'S / 48°35'W

Species: Orbinia cf. latreillii (Audouin & Milne-Edwards 1833) References: Souza (2008)

Environment: Bay

Depth: 1–4 m

Coordinates: 27°35'S / 48°35'W

Note: This material needs to be revised, since O. latreilli is most probably a species complex.

Species: Phylo felix Kinberg 1866

References: Bolivar (1990), Almeida et al. (2012) Environment: Inner continental shelf, middle continental shelf Depth: 10–38 m

Coordinates: 26°44'S / 48°26'W

Museum: MCBM-BPO-436, IBUFRJ-1139

Species: Protoaricia sp. A

References: Bolivar (1990)

Environment: Middle continental shelf Depth: 49 m

Coordinates: 26°49'S / 48°15'W

Museum: MCBM-BPO 483

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

Species: Scoloplos (Leodamas) ohlini Ehlers (1901) References: Bolivar (1990)

Oortman (2010) as Scoloplos ohlini

Environment: Bay, inner continental shelf, middle continental shelf Depth: 28–50 m

Coordinates: 26°03'S / 48°16'W, 26°15'S / 48°19'W, 25°57'S / 47°49'W, 26°13'29"S / 48°37'13"W Museum: MCBM-BPO-445, 447, 457

Species: Scoloplos (Leodamas) verax Kinberg 1866 References: Bolivar (1990)

Environment: Middle continental shelf

Depth: 38–50 m

Coordinates: 26°44'S / 48°26'W, 25°57'S / 47°49'W, 26°23'S / 48°07'W Museum: MCBM-BPO- 462, 463, 464, 468, 469

Species: Scoloplos capensis Day References: Souza (2008) as Scoloplos (Scoloplos) capensis . Environment: Bay

Depth: 1–4 m

Coordinates: 27°35'S / 48°35'W

Species: Scoloplos robustus Rullier 1964 References: Souza (2008) as Leitoscoloplos robustus . Environment: Bay

Depth: 1–4 m

Coordinates: 27°35'S / 48°35'W

Species: Scoloplos rubra (Webster 1879) References: Coelho (1992) as Scoloplos (Leodamas) rubra . Environment: Tidal flat, estuarine beach Depth: Intertidal

Coordinates: 27°27'S / 48°37'W

Species: Scoloplos treadwelli Eisig 1914

References: Attolini (2002) as Scoloplos (Scoloplos) treadwelli .

Environment: Outer continental shelf, continental slope

Depth: 102–490 m

Coordinates: 28°35'S / 48°15'W, 26°22'30"S / 46°38'30"W, 28°24'54"S / 47°21'6"W, 27°10'18"S / 47°27'30"W,

28°00'12"S / 46°55'18"W