Peridiniopsis armebeensis sp. nov. (Peridiniales, Dinophyceae), a new species of freshwater dinoflagellates from Ivory Coast, West Africa
Ten-Hage, Loïc Da; Mascarell, Gérard Couté
A new freshwater armoured dinoflagellate, Peridiniopsis armebeensis Ten-Hage, K.P.Da et Couté sp. nov., is described from Agnéby river, Ivory Coast, West Africa. This new species is illustrated by drawings and light and scanning electron micrographs. The plate formula of P. armebeensis is P0, X, 4', 6", 6c, 4s, 5'", 2"". Cell is pentagonal to rhombic in ventral view, subcircular in apical view. Cell size ranges are 44-49 μm long and 37-45 μm wide. Thecal surface is reticulated and perforated by pores. Small spines are present on the hypotheca. Morphology of P. armebeensis is compared to closely related Peridiniopsis species. An updated identification key to Peridiniopsis, group Penardii, to which belongs P. armebeensis, is provided.