Family: Oweniidae

Species: Galathowenia oculata (Zachs 1923) References: Souza (2008)

Environment: Bay

Depth: 1–4 m

Coordinates: 27°35'S / 48°35'W

Species: Owenia fusiformis delle Chiaje 1844

References: Amaral & Morgado (1998), Marenzi (2002), Pagliosa (2005), Souza (2008), Becker (2009), Oortman

(2010), Almeida & Vivan (2011)

Environment: Bay, inner continental shelf

Depth: 1–11 m

Coordinates: 27°35'S / 48°35'W, 27°38'33"S / 48°31'41"W, 27°29'S / 48°30'W, 27°17'17"S / 48°33'46"W, 27°14'58"S / 48°35'18"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, 26°46'10"S / 48°49'10"W, 27°13'08"S / 48°33'25"W, 26°46'10"S / 48°38'45"W, 26°46'10"S / 48°47'45"W, 26°12'49"S / 48°36'51"W, 26°13'29"S / 48°37'13"W, 26°11'59"S / 48°37'41"W, 26°12'08"S / 48°37'32"W, 26°10'21"S / 48°46'26"W, 26°11'27"S / 48°37'50"W

Note: Owenia fusiformis is clearly a species complex. Local records of O. fusiformis probably correspond to Ammochares brasiliensis Hansen 1882 or Ammochares tegula Kinberg, 1866 or to a new species, yet to be described.