Plumularia setacea Linnaeus, 1758

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 : 17

Plumularia setacea Linnaeus, 1758

Fig. 8G

Plumularia setacea – Schuchert 2013: 117 , figs 2a–b, 4–6. — Ansín Agís et al. 2014: 824, fig. 22.

Material examined

PACIFIC OCEAN • 2 cormoids, ca 3.5 cm high, one of them with ♀ gonothecae; off New Caledonia, stn DW4670; 22°58′ S, 167°24′ E; 680– 612 m; 12 Aug. 2016; KANACONO leg.; MNHN-IK-2015-594 .

Distribution

Nearly cosmopolitan ( Schuchert 2013), except for Arctic and Antarctic waters. According to Schuchert (2014), the taxon could be regarded as either a multitude of cryptic, geographically delimited lineages, or as a species with an extensive population subdivision.

Figures

Fig. 8. A–F. Plumularia conjuncta Billard, 1919, portion of branch with proximalmost part of a cladium seen laterally (A); portion of cladium in frontal view (B); insertion of lateral nematothecae, seen frontally (C); nematothecae: mesial (D), from cladial intersegment (E) and from axil of cladium (F); all from sample MNHN-IK-2015-590. — G. Plumularia setacea (Linnaeus, 1758), portion of stem, proximal part of a cladium and female gonotheca, from sample MNHN-IK-2015-594. Scale bars: A–B, G = 300 µm; C–F = 50 µm.