New Chaetonotus (Wolterecka. Semovitus sp. nov. (Gastrotricha: Chaetonotida: Chaetonotidae) from a Palm House in Vienna (Austria)

Gastrotricha is a monophyletic phylum of small invertebrates inhabiting any kind of aquatic and semi-aquatic environments. Currently, ca. 850 gastrotrich species have been described, although the species numbers are not evenly distributed among the families and genera. The family Chaetonotidae Gosse, 1864 (sensuLeasi & Todaro, 2008) is considered the most numerous and diverse, with the most abundant genus being ChaetonotusEhrenberg, 1830. This...