Euphysora annulata Kramp, 1928

Buecher, Emmanuelle, Goy, Jacqueline, J, Mark & Gibbons, 2005, Hydromedusae of the Agulhas Current, African Invertebrates 46, pp. 27-69 : 46

Euphysora annulata Kramp, 1928

Euphysora annulata: Kramp 1928: 39 , fig. 13; 1961: 39; 1968: 15, fig. 27.

Description: Single immature specimen. Barrel-shaped umbrella, slightly taller than broad, with pointed apical projection; 1.4 mm in diameter.Exumbrella surface smooth. Mesoglea thin. Velum narrow. Peripheral canal and four narrow radial canals present, latter with smooth margin; without centripetal canals; apical canal present. With four perradial marginal tentacle bulbs arising from umbrella margin; conical, conspicuous. With one long tentacle, hollow, unbranched, bearing terminal knob and with swollen cnidocyst clusters in form of rings; irregularly distributed. With three short tentacles, that opposite main tentacle being longer than others; hollow, filiform, without conspicuous cnidocyst clusters. Manubrium globular, filling almost entire bell cavity, may extend beyond velum, not connected to radial canals by mesenteries. Mouth simple, circular, without lips; without gastric peduncle. Without ocelli on bulb of marginal tentacles. Without cnidocyst tracks on exumbrella. When mature, smooth gonads entirely encircling manubrium.

Material examined: H5032.

Comments: see E. abaxialis .

Distribution: Scattered records from tropical waters of the Indian and Pacific oceans. This is the first record from the west Indian Ocean. Neritic.