Abstract
The taxonomic placement of four antarctic species of the marine red algal family Phyllophoraceae (Gigartinales) is assessed within a preliminary molecular phylogeny of the family based on direct sequence analysis of the chloroplast gene rbcL. Parsimony analysis of rbcL sequences indicates that Gymnogongrus antarcticus and Gymnogongrus turquetii cluster in a clade consisting predominantly of southern hemisphere species currently placed in Gymnogongrus and Ahnfeltiopsis, whereas Phyllophora ahnfeltioides and Phyllophora antarctica cluster in a separate clade that is widely divergent from the northern hemisphere Phyllophora clade. Results from molecular and morphological data challenge the current taxonomic concept that type of life history is a phylogenetically valid criterion for recognition of genera in the Phyllophoraceae.
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Fredericq, S., Ramírez, M.E. (1996). Systematic studies of the antarctic species of the Phyllophoraceae (Gigartinales, Rhodophyta) based on rbcL sequence analysis. In: Lindstrom, S.C., Chapman, D.J. (eds) Fifteenth International Seaweed Symposium. Developments in Hydrobiology, vol 116. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-1659-3_18
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DOI: https://doi.org/10.1007/978-94-009-1659-3_18
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