The genus Hydra from Argentina. I. Hydra vulgaris pedunculata subsp. nov. (Cnidaria, Hydrozoa)

DESERTI, MARIA IRENE; ZAMPONI, MAURICIO OSCAR; ESCALANTE, ALICIA HAYDEÉ

Real Academia Galega de Ciencias

Graficolor Minerva S.R.L.

Lugar: Santiago de Compostela; Año: 2011 vol. 30 p. 5 - 14

1135-5417

This is the former contribution of a series of studies related to the composi-composition of the genus Hydra in Argentina. The taxon analyzed constitutes a new subspecies found in the shallow lake Los Padres (General Pueyrredón district, Buenos Aires province). All the specimens analyzed exhibited the typical characteristics of the group vulgaris, which belongs to the species Hydra vulgaris Pallas, 1766. They also display a prominent stalk near the foot, being this one a new morphological character for the species.Hydra in Argentina. The taxon analyzed constitutes a new subspecies found in the shallow lake Los Padres (General Pueyrredón district, Buenos Aires province). All the specimens analyzed exhibited the typical characteristics of the group vulgaris, which belongs to the species Hydra vulgaris Pallas, 1766. They also display a prominent stalk near the foot, being this one a new morphological character for the species.