Diatoms from San Antonio Bay(RíoNegro, Argentina) O. Pennales 1

Authors

  • Eugenia Sar

Keywords:

Marine diatoms, Pennales, Taxonomy,

Abstract

Fifty six taxa of diatoms belonging to the Pennales from San Antonio Bay and proximities (RíoNegro, Argentina) were studied using both light and scanning electron microscope. Fifty four of them are new for this region. Licmophora hastata var. clavata Mereschkowsky, L. hyalina (Kützing) Grunow, Achnanthes manifera Brun, A. suchlandti Hustedt, Cocconeis disculoides Hustedt, Donkinia carinata (Donkin) Ralfs, Mastogloia peragallii Cleve, M. pusilla varo subcapitata Hustedt, M. ovulum Hustedt, Navicula amphipleuroides Hustedt, N. palpebralis varo minor Grunow, N. vittata (Cleve) Hustedt y Trachyneis aspera varovulgaris Cleve represent new records for Argentina. Fragilaria atomus Hustedt, Cocconeis convexa Giffen y Navicula difjluens Schmidt, are recorded for the first time for the South Atlantic Ocean.

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