Ailadinium reticulatum gen. et sp. nov. (Dinophyceae), a New Thecate, Marine, Sand-Dwelling Dinoflagellate from the Northern Red Sea

Type Article
Date 2014-12
Language English
Author(s) Saburova Maria1, Chomerat Nicolas2
Affiliation(s) 1 : Inst Biol Southern Seas, UA-99011 Sevastopol, Ukraine.
2 : IFREMER, Stn Biol Marine, LER BO, F-29900 Concarneau, France.
Source Journal Of Phycology (0022-3646) (Wiley-blackwell), 2014-12 , Vol. 50 , N. 6 , P. 1120-1136
DOI 10.1111/jpy.12244
WOS© Times Cited 9
Keyword(s) benthic dinoflagellates, Dinophyceae, Gulf of Aqaba, Jordan, LSU rDNA, molecular phylogeny, morphology, Red Sea, SSU rDNA, taxonomy
Abstract A new photosynthetic, sand-dwelling marine dinoflagellate, Ailadinium reticulatum gen. et sp. nov., is described from the Jordanian coast in the Gulf of Aqaba, northern Red Sea, based on detailed morphological and molecular data. A. reticulatum is a large (53–61 μm long and 38–48 μm wide), dorsoventrally compressed species, with the epitheca smaller than the hypotheca. The theca of this new species is thick and peculiarly ornamented with round to polygonal depressions forming a foveate-reticulate thecal surface structure. The Kofoidian thecal tabulation is APC (Po, cp), 4′, 2a, 6′′, 6c, 4s, 6′′′, 1p, 1′′′′ or alternatively it can be interpreted as APC, 4′, 2a, 6′′, 6c, 4s, 6′′′, 2′′′′. The plate pattern of A. reticulatum is noticeably different from described dinoflagellate genera. Phylogenetic analyses based on the SSU and LSU rDNA genes did not show any supported affinities with currently known thecate dinoflagellates.
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