Fabienna sphaerica, medusa
Description Fabienna sphaerica, after life except (c), (e) and (f). (a) Very young medusa, scale bar 0.2 mm (b) Medusa, just before maturation of gonads, scale bar 0.5 mm. (c) Manubrium with mature gonads from a preserved medusa, same scale as (a). (d) Nematocysts: discharged macrobasic eurytele, same not discharged, small capsule, microbasic eurytele, same discharged; scale bar 10 µm. (e) Tentacle tip of preserved holotype showing the characteristic bending, note the terminal nematocyst cluster (arrow) and the adjacent adaxial cluster (arrowhead), scale bar 0.1 mm. (f) Frontal view of tentacle bulb from preserved holotype, fixation tends to accentuate the lobes of the bell margin, scale bar 0.1 mm. (g) Lateral view of tentacle bulb of living medusa, same scale as (f). Abbreviations: bm bell margin, cs circular strand, ex exumbrella, np nematocyst pad, rc radial canal, tb tentacle bulb, te tentacle.From: Schuchert P. 1996. The marine fauna of New Zealand: athecate hydroids and their medusae (Cnidaria: Hydrozoa). New Zealand Oceanographic Institute Memoir 106: 1-159.
see: source id. 27481
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added on 2025-01-23209 viewsTraits taxaScan of drawing Fabienna sphaerica Schuchert, 1996checked Schuchert, Peter 2025-01-23
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