Pennaria disticha Goldfuss, 1820

Galea, Horia R., 2008, On a collection of shallow-water hydroids (Cnidaria: Hydrozoa) from Guadeloupe and Les Saintes, French Lesser Antilles, Zootaxa 1878, pp. 1-54 : 13

Pennaria disticha Goldfuss, 1820

(fig. 3E)

Pennaria disticha Goldfuss, 1820: 89 .— Brinckmann-Voss, 1970: 40, figs 43–50.— Schuchert, 1996: 142, fig. 85.— Schuchert, 2006: 364, fig. 15.

Halocordyle disticha —Millard, 1975: 41, fig. 16C–G.— Calder, 1988b: 56, figs 43–45.—Hirohito, 1988: 28, fig. 9A–D, pl. 1 fig. C.

Material examined. Stn. 2: 22.01.2008 —numerous sterile and fertile colonies, up to 10 cm high, on hard substrate. Stn. 3: 26.01.2008 – several colonies, up to 10 cm high, gonophores present, on hard substrate and sponges; 01.04.2008 —several stems with and without gonophores, 2–3 cm high, on hard substrate. Stn. 4: 22.03.2008 —a few sterile stems, up to 1.7 cm high, badly preserved, on ascidian. Stn. 6: 23.03.2008 —numerous colonies, up to 8 cm high, some with gonophores, on hard substrate. Stn. 7: 27.03.2008 —numerous fertile colonies, up to 6 cm high, on hard substrate.

Type locality. Gulf of Naples, Italy.

Remarks. For descriptions of this well-known species and discussions of its synonymy, see Calder (1988b) and Schuchert (2006).

Distribution. Circumglobal in warm temperate to tropical waters (Schuchert 2006). The Caribbean records are summarized by Calder & Kirkendale (2005).