Monostaechas quadridens ( McCrady, 1859 )

Galea, Horia R., 2010, Additional shallow-water thecate hydroids (Cnidaria: Hydrozoa) from Guadeloupe and Les Saintes, French Lesser Antilles, Zootaxa 2570, pp. 1-40 : 26-28

Monostaechas quadridens ( McCrady, 1859)

(fig. 6M)

Plumularia quadridens McCrady, 1859: 199 .

Monostaechas quadridens ― Ansín Agís et al., 2001: 171, fig. 71.

Material examined. Stn.10: 0 2.12.2009, 15–20 m—several sterile stems to 1.2 cm high, on sponge. Remarks. For synonymy and description, see Ansín Agís et al. (2001).

FIGURE 6. A to C: Synthecium tubithecum ( Allman, 1877) —colony habit (A); hydrothecae giving off male gonothecae (B); nematocysts (C). D to G: Antennella armata sp. nov. —basal part of stem (D); ahydrothecate and hydrothecate segments in frontal (left) and lateral (right) views; nematothecae (F)—lateral (F1, F2), mesial (F3), axillar (F4), and internodal (F5); gonotheca (G); cnidome (H2) compared to that of Antennella incerta sp. nov. (H1) and A. secundaria (Gmelin, 1781) (H3). I: Antennella curvitheca Fraser, 1937 —portion of stem. J and K: Antennella incerta sp. nov. — portion of stem in frontal (left) and lateral (right) views (J); nematothecae (K)—lateral (K1, K2), internodal (K3), mesial (K4), and axillar (K5). L: Halopteris carinata Allman, 1877 —fragment of cladium in frontal (left) and lateral (right) views. M: Monostaechas quadridens ( McCrady, 1859) —portion of colony. Scale bars: 10 µm (C, H); 50 µm (F, K); 100 µm (G); 200 µm (D, E, I, J, L); 300 µm (B); 500 µm (M); 1 mm (A).

Caribbean records. Tortugas and St. Thomas ( Vervoort 1968), Belize ( Spracklin 1982), Caribbean coast of Colombia ( Flórez González 1983).

World distribution. See Ansín Agís et al. (2001).