Startseite Cocconeis distans Gregory and Amphicocconeis debesi (Hustedt) De Stefano comb. nov. (Bacillariophyta), an intricate taxonomical history
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Cocconeis distans Gregory and Amphicocconeis debesi (Hustedt) De Stefano comb. nov. (Bacillariophyta), an intricate taxonomical history

  • Mario De Stefano , Ugo Sacchi , Cecilia Totti und Oscar E. Romero
Veröffentlicht/Copyright: 7. Dezember 2006
Botanica Marina
Aus der Zeitschrift Band 49 Heft 5_6

Abstract

We present a taxonomical revision of Cocconeis distans and C. debesi based on historical collections from Hustedt, and live material sampled from leaves of Posidonia oceanica. Our observations clarify the specific morphology of the two taxa, which have been confused by past and modern authors. In addition, we demonstrate that the valve structure of C. debesi deviates from that of the genus Cocconeis, but agrees with that of the genus Amphicocconeis. Therefore, we propose a new nomenclatural combination, Amphicocconeis debesi. The study also provides additional information on the geographical distribution of these taxa.

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Published Online: 2006-12-07
Published in Print: 2006-12-01

©2006 by Walter de Gruyter Berlin New York

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