Corallith beds at the edge of the tropical South Atlantic

@article{Capel2011CorallithBA,
  title={Corallith beds at the edge of the tropical South Atlantic},
  author={K{\'a}tia C.C. Capel and B{\'a}rbara Segal and Paulo Bertuol and Alberto Lindner},
  journal={Coral Reefs},
  year={2011},
  volume={31},
  pages={75}
}
Free-living scleractinian colonies of spheroid shape, known as circumrotatory colonies or coralliths, have been reported for the Atlantic, Herein, we report the first corallith site discovered in the subtropical South Atlantic, a unique formation of free-living colonies of Madracis decactis (Lyman, 1859) (Scleractinia: Pocilloporidae) at Galé Island off southern Brazil (Fig. 1). The coralliths spread over 3400 m 2 of flat sand and ruble at 6–15 m depth, adjacent to a rocky shore on the westward… 

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