Halopterididae Millard, 1962

Gil, Marta & Ramil, Fran, 2025, Hydroids (Cnidaria, Hydrozoa) from Guinea Bissau, Zootaxa 5577 (1), pp. 1-89 : 77

Family Halopterididae Millard, 1962

Antennella secundaria ( Gmelin, 1791) —(11º58'N, 17º22'W), 197–219 m; (11º28'N, 17º29'W), 263–439 m; (11º31'N, 17º20'W), 142–223 m ( Gili et al. 1989: 83).—(11º34'07"– 11º33'13"N, 17º11'25"– 17º11'31"W) , 102–103 m; (11º28'17"– 11º29'11"N, 17º13'12"– 17º13'22"W) , 374–385 m; (10º31'12"– 10º30'19"N, 17º12'34"– 17º12'32"W), 300–305 m; (10º15'45"– 10º14'39"N, 16º55'17"– 16º54'05"W), 224 m; (10º15'41"– 10º16'47"N, 16º55'17"– 16º56'27"W), 224–225 m; (10º35'40"– 10º36'53"N, 16º59'31"– 17º00'30"W), 209 m (this study).

Antennella siliquosa ( Hincks, 1877) —(10º22'N, 16º22'W), 41–55 m; (10º40'N, 16º44'W), 65 m; (10º49'N, 16º39'W), 42 m, ( Vervoort 1959: 286–288, as A. diaphana f. siliquosa ).—(11º34'07"– 11º33'13"N, 17º11'25"– 17º11'31"W), 102–103 m; (10º18'25"– 10º19'20"N, 16º08'47"– 16º08'47"W), 24–25 m (this study).

Halopteris aff. alternata ( Nutting, 1900) * —(11.534908N, 16.217364W), tidal level ( Moura et al. 2024).

Halopteris catharina ( Johnston, 1833) ⁑ —(11º28'17"– 11º29'11"N, 17º13'12"– 17º13'22"W), 374–385 m (this study).

Halopteris diaphana ( Heller, 1868) ⁑ —(10º18'25"– 10º19'20"N, 16º08'47"– 16º08'47"W), 24–25 m (this study).

Polyplumaria flabellata G.O. Sars, 1874 ⁑ —(11º31'33"N, 17º14'07"W); (11º29'17"– 11º28'26"N, 17º15'14"– 17º15'14"W), 733–737 m (this study).

Pseudoplumaria marocana ( Billard, 1930) —(11º31'N, 17º17'W) 219 m; (11º58'N, 17º22'W), 197–219 m; (11º28'N, 17º11'W) 4751? m; (11º31'N, 17º20'W), 142–223 m ( Gili et al. 1989: 91, as Polyplumularia flabellata ).—(10º14'14"– 10º13'22"N, 16º32'49"– 16º32'44"W), 211–224 m; (10º18'55"N, 16º25'07"W), 79 m; (10º19'09"– 10º19'47"N, 16º34'20"– 16º35'01"W), 203–204 m (this study).