The genus blackfordia is characterized by having four radial canals, gonads completely surrounding the radial canals, and having hollow marginal tentacles in which the endodermal cores of the tentacles … Four radial canals, one circular canal. Gonads beginning close to manubrium and extending ca.

Mature female gonads linear and granulated, with visible eggs. Umbrella 14 mm wide, higher than hemispherical, with rounded apex; With linear gonads extending from corners of manubrium to somewhat more than half length of radial canals; Tentacles with finger … Blackfordia virginica medusae are tranparent, unpigmented, and elicate, with up to 80 very fine tentacles at maturity (mills & sommer, 1995). Diameter of bell up to 22. 2 mm, with the velum extending to one … The number of statocysts between adjacent tentacles may range from 1 to 3 (b.

Blackfordia virginica medusae are tranparent, unpigmented, and elicate, with up to 80 very fine tentacles at maturity (mills & sommer, 1995). Diameter of bell up to 22. 2 mm, with the velum extending to one … The number of statocysts between adjacent tentacles may range from 1 to 3 (b. Virginica, after mayer 1910; One in our specimens), 2 to 3 (b. Manhattensis), and only 1 (b. Four radial canals, one circular canal. Gonads beginning close to manubrium and extending ca. 2/3 of length of radial canals. Mature female gonads linear and granulated, with visible eggs. Proximal part … The genus is characterized by having four radial canals, gonads completely surrounding the radial ca- nals, and having hollow marginal tentacles in which the endodermal cores of the tentacles extend …

Manhattensis), and only 1 (b. Four radial canals, one circular canal. Gonads beginning close to manubrium and extending ca. 2/3 of length of radial canals. Mature female gonads linear and granulated, with visible eggs. Proximal part … The genus is characterized by having four radial canals, gonads completely surrounding the radial ca- nals, and having hollow marginal tentacles in which the endodermal cores of the tentacles extend … Blackfordia virginica presented 33 types of morphological variations. The number of marginal tentacles (53â€104) increased with size (2. 5â€13. 0 mm). Medusae were collected in this lagoon only in march …

Mature female gonads linear and granulated, with visible eggs. Proximal part … The genus is characterized by having four radial canals, gonads completely surrounding the radial ca- nals, and having hollow marginal tentacles in which the endodermal cores of the tentacles extend … Blackfordia virginica presented 33 types of morphological variations. The number of marginal tentacles (53â€104) increased with size (2. 5â€13. 0 mm). Medusae were collected in this lagoon only in march …

The number of marginal tentacles (53â€104) increased with size (2. 5â€13. 0 mm). Medusae were collected in this lagoon only in march …