NEWS - Large pro rotifer ( Proales amplus ) is the 42nd species in the genus Proales that exhibits unique morphological characteristics on the trophy, especially the unmatched epipharynx that prevents misidentification with other species. The epithet amplus is derived from the Latin word meaning large or wide, referring to the size and shape of the epipharynx. Proalidae Harring & Myers 1924 includes 4 genera and 53 species that are distributed throughout the biogeography and inhabit a variety of environments, including freshwater, saltwater and terrestrial environments. The genus Proales includes 41 species that are characterized by various morphological features. In Korea, the presence of Proalidae has been documented with 5 species: Bryceella perpusilla (Wilts, MartÃnez Arbizu & Ahlrichs, 2010), B. stylata (Milne, 1886), B. tenella (Bryce, 1897), Proales fallaciosa (Wulfert, 1937) and Proalinopsis caudatus (Collins, 1872). The habitus of P. amplus has some similarities w...