engleski

Observations and typification of Exilaria fulgens Greville (Fragilariaceae, Bacillariophyta) and its transfer to the genus Ardissonea De Notaris, 1870

The diatom genus Ardissonea De Notaris (in De Notaris & Baglietto 1870: no. 334) was named for the Italian phycologist Francisco Ardissone (1837–1910) and was often incorrectly rendered as “Ardissonia”. Introduced on a printed exsiccata label as a combined genus and species description, it initially included a single marine species, Ardissonea robusta (Ralfs) De Notaris [≡ Synedra robusta Ralfs in Pritchard 1861 ; type locality: Corsica]. Subsequently, further marine, araphid taxa, mostly described previously in other genera such as Diatoma Bory, Synedra Ehrenberg or Exilaria Greville, nom. rej. were added. Here, we document on the morphology of Exilaria fulgens using light and scanning electron microscopy and effect a transfer the species to the genus Ardissonea. The original Greville material of Exilaria fulgens from the W.Smith collection (BR) is designated as the lectotype.

diatoms ; typification

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