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TitlePhylogenetic position and taxonomy of Cycloseris explanulata and C. wellsi (Scleractinia: Fungiidae): lost mushroom corals find their way home
AbstractThe scleractinian species Psammocora explanulata and Coscinaraea wellsi were originally classified in the family Siderastreidae, but in a recent morpho-molecular study it appeared that they are more closely related to each other and to the Fungiidae than to any siderastreid taxon. A subsequent morpho-molecular study of the Fungiidae provided new insights regarding the phylogenetic relationships within that family. In the present study existing molecular data sets of both families were analyzed jointly with those of new specimens and sequences of P. explanulata and C. wellsi. The results indicate that both species actually belong to the Cycloseris clade within the family Fungiidae. A reappraisal of their morphologic characters based on museum specimens and recently collected material substantiate the molecular results. Consequently, they are renamed Cycloseris explanulata and C. wellsi. They are polystomatous and encrusting like C. mokai, another species recently added to the genus, whereas all Cycloseris species were initially thought to be monostomatous and free-living. In the light of the new findings, the taxonomy and distribution data of C. explanulata and C. wellsi have been updated and revised. Finally, the ecological implications of the evolutionary history of the three encrusting polystomatous Cycloseris species and their free-living monostomatous congeners are discussed.
SourceContributions to zoology (Print) 81 (3), pp. 125–146
KeywordsCOICoscinaraea wellsiPsammocora explanulatarDNA
JournalContributions to zoology (Print)
EditorSPB Academic Publishing, Amsterdam, Paesi Bassi
Year2012
TypeArticolo in rivista
AuthorsBenzoni, Francesca; Arrigoni, Roberto; Stefani, Fabrizio; Reijnen, Bastian T.; Montano, Simone; Hoeksema, Bert W.
Text307739 2012 ISI Web of Science WOS 000308570800001 COI Coscinaraea wellsi Psammocora explanulata rDNA Phylogenetic position and taxonomy of Cycloseris explanulata and C. wellsi Scleractinia Fungiidae lost mushroom corals find their way home Benzoni, Francesca; Arrigoni, Roberto; Stefani, Fabrizio; Reijnen, Bastian T.; Montano, Simone; Hoeksema, Bert W. University of Milano Bicocca; Inst Rech Dev; Netherlands Ctr Biodivers Nat The scleractinian species Psammocora explanulata and Coscinaraea wellsi were originally classified in the family Siderastreidae, but in a recent morpho molecular study it appeared that they are more closely related to each other and to the Fungiidae than to any siderastreid taxon. A subsequent morpho molecular study of the Fungiidae provided new insights regarding the phylogenetic relationships within that family. In the present study existing molecular data sets of both families were analyzed jointly with those of new specimens and sequences of P. explanulata and C. wellsi. The results indicate that both species actually belong to the Cycloseris clade within the family Fungiidae. A reappraisal of their morphologic characters based on museum specimens and recently collected material substantiate the molecular results. Consequently, they are renamed Cycloseris explanulata and C. wellsi. They are polystomatous and encrusting like C. mokai, another species recently added to the genus, whereas all Cycloseris species were initially thought to be monostomatous and free living. In the light of the new findings, the taxonomy and distribution data of C. explanulata and C. wellsi have been updated and revised. Finally, the ecological implications of the evolutionary history of the three encrusting polystomatous Cycloseris species and their free living monostomatous congeners are discussed. 81 Articolo in rivista SPB Academic Publishing 1383 4517 Contributions to zoology Print Contributions to zoology Print Contrib. zool. Print Contributions to zoology. Print Bijdragen tot de dierkunde Print fabrizio.stefani STEFANI FABRIZIO