Halopteris campanula (Busk, 1852)

Galea, Horia R. & Maggioni, Davide, 2020, Plumularioid hydroids (Cnidaria: Hydrozoa) from off New Caledonia collected during KANACONO and KANADEEP expeditions of the French Tropical Deep-Sea Benthos Program, European Journal of Taxonomy 708, pp. 1-58 : 35

Halopteris campanula (Busk, 1852)

Figs 14K , 15A–B

Halopteris campanula – Ansín Agís et al., 2009: 43, figs 5–6.

Material examined

PACIFIC OCEAN • 1 profuse, fertile colony with stems up to 4.5 cm high; off New Caledonia, stn DW4780; 22°59′ S, 167°48′ E; 295– 238 m; 29 Aug. 2016; KANACONO leg.; MNHN-IK-2015-597 • 3 fully fertile colonies, with stems up to 4 cm high; off New Caledonia, stn DW4781; 22°57′ S, 167°47′ E; 295– 255 m; 29 Aug. 2016; KANACONO leg.; MNHN-IK-2015-598 • 1 sterile colony, 3 cm high; off New Caledonia, stn DW4777; 23°03′ S, 168°16′ E; 330–353 m; 28 Aug. 2016; KANACONO leg.; MNHN-IK-2015-599 • 1 profuse, fully fertile colony with stems up to 4.5 cm high; off New Caledonia, stn DW4727; 22°41′ S, 167°02′ E; 120–129 m; 20 Aug. 2016; KANACONO leg.; MNHN-IK-2015-601 .

Remarks

For synonymies and descriptions, see Rees & Vervoort (1987), Schuchert (1997) and Ansín Agís et al. (2009). The present material agrees with that dealt with extensively by the latter authors.

Distribution

Scattered records from the Red Sea, the Gulf of Aden, Indonesia, Australia, Japan, and New Caledonia ( Ansín Agís et al. 2009).

Figures

Fig. 14 (opposite page). A–D. Corhiza patula Galea sp. nov., from holotype MNHN-IK-2015-602, proximal portion of cladium (A); nematothecae: mesial (B), lateral (C), and from ahydrothecate internode (D). — E–J. Corhiza pauciarmata Ansín Agís et al., 2009, from sample MNHN-IK-2015-604, portion of cladium (E); nematothecae: mesial (F), lateral (G) and from ahydrothecate internode in lateral (H) and adaxial (I) aspects; cnidome (J). — K. Halopteris campanula (Busk, 1852), portion of cladium from sample MNHN-IK-2015-597. — L–M. Halopteris infundibulum Vervoort, 1966, cladial hydrotheca in lateral (L) and frontal (M) aspects, both from sample MNHN-IK-2015-608. — N–P. Halopteris peculiaris Billard, 1913, proximal portion of cladium seen laterally (N); single (O) or paired (P) lateral nematothecae associated to cauline hydrothecae; all from sample MNHN-IK-2015-609. Scale bars: A, E = 500 µm; B–D, F–I, O–P = 100 µm; J = 10 µm; K–N = 300 µm