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Type: Article
Published: 2018-06-06
Page range: 239–245
Abstract views: 22
PDF downloaded: 1

Revision of the type material of Diploneis zannii Frenguelli (Bacillariophyceae)

División Ficología, Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata, Paseo del Bosque s/n, (1900) La Plata, Argentina
División Ficología, Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata, Paseo del Bosque s/n, (1900) La Plata, Argentina
Laboratorio de Química Ambiental y Biogeoquímica (LAQAB), Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata, Av. Calchaquí km 23500 (CP 1888) Florencio Varela, Buenos Aires, Argentina Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Godoy Cruz 2290, C1425FQB Buenos Aires, Argentina
Diploneis zannii type material Frenguelli Collection Argentina Algae

Abstract

Diploneis zannii was first described from the Esteros del Iberá, a subtropical wetland from Argentina. Type material of the species was studied with light and electron microscopy and compared to some similar taxa: D. fusca, D. insolitus, D. lenzii, D. smithii and D. finnica and other material collected from Brazil and Uruguay. We confirm the validity of Diploneis zannii as a species and present an emended diagnosis derived from new information on its morphology. A lectotype and isolectotype are designated.