HALIMEDA

           

  Local Halimeda

  These represent two of the Fossil Algae growing in the Keys. Both are   found locally in lagoons and shallow water. These jointed, calcareous    organisms were long considered to be animals, and later related to the  coralline red algae.  With the monograph of Barton(1901) the great morphological variation within species was recognized and an approach to classification was made on the basis of internal structure.
    The plants consist of conspicuous calcified segments separated by more or less flexible, little-calcified nodes.

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