Hydromedusae of the Agulhas Current
Author
Buecher, Emmanuelle
Author
Goy, Jacqueline
Author
J, Mark
Author
Gibbons
text
African Invertebrates
2005
2005-12-31
46
27
69
journal article
10.5281/zenodo.7909936
2305-2562
7909936
Nubiella mitra
Bouillon, 1980
Nubiella mitra
: Bouillon 1980: 314
, fig. 4;
Goy
et al
. 1991: 109
, fig. 22.
Description: Single immature specimen. Mitre-shaped umbrella, taller than broad;
1.5 mm
in height. Exumbrella surface smooth. Mesoglea relatively firm, especially thick in apical cone. Velum narrow. Peripheral canal and four radial canals present; no centripetal canals. Four solitary marginal tentacles, each arising from small, almost spherical bulb at umbrella margin. Tentacles long, solid, filiform. Secondary tentacles absent. Manubrium flask-shaped, cylindrical, short, not reaching to level of velum. Mouth simple, circular, with short gastric peduncle; bearing four oral tentacles above mouth rim. Oral tentacles unbranched, small, with terminal cnidocyst clusters. Without statocysts. Without ocelli.When mature, gonads simple, smooth, completely surrounding manubrium proximally.
Material examined: H5012.
Comments: This is the only species in this genus.
Distribution: New
Guinea
and eastern Mediterranean Sea. First record from the west Indian Ocean.