Étude au microscope électronique à balayage du genre Trachelomonas (Euglenophyta) dans le Sud-Est de la Côte d'Ivoire (Afrique de l'Ouest)

Kouhété Philippe DA, Gérard MASCARELL & Alain COUTE

fr Cryptogamie, Algologie 30 (1) - Pages 31-90

Published on 27 February 2009

A scanning electron microscope study of the genus Trachelomonas (Euglenophyta) in south-eastern Ivory Coast (Western Africa).

Fifty-eight taxa of the genus Trachelomonas Ehrenberg 1833 sampled in Agneby river and in two little ponds at Adahou-village and Akressi (Ivory Coast) have been examined using scanning electron microscopy. The fine structure of the lorica surface was studied based on one hundred and sixty-four micrographs grouped in twenty-one plates giving general and detailed views of the cells. Among the fifty-eight taxa recorded, twenty-two are new for Africa, twenty-nine for West Africa and thirty-four for the Ivory Coast. Four species and seven varieties new to science are proposed, namely : Trachelomonas akressiensis, T. comperei, T. diploperforata, T. saccasii, and Trachelomonas armata var. assemienii, T. curta var. longicollis, T. hispida var. spinosa, T. lotharingiae var. adahouensis, T. saccasii var. paucigranulata, T. sculpta var. africana and T. sculpta var. dossahouae.

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