Définition : Living in the fluid medium (water or air) but unable to maintain their position or distribution independently of the movement of the water/air mass (adapted from Lincoln et al., 1998).
Définition : number of homologous sets of chromosomes in the nucleus or primary chromosome-containing compartment of the cell, each set essentially coding for all the biological traits of the organism.
Occurrences connues, spécimens collectés et observations de <i>Caloneis amphisbaena</i> var. <i>subsalina</i> (Donkin) Cleve 1894. Voir ces espèces sur GBIF.
