The Calcinea are a subclass of the calcareous sponges. Its phylum is Porifera and class is Calcarea.[1] Branching is usually dichotomous or umbellate with anastomoses, which gives rise to reticulate growths on stalks in adults. Most varieties are coral red or sulphur yellow.[2]

References

  1. ^ "World Porifera Database", Marinespecies.org, Retrieved 2-25-2016
  2. ^ "The Skeleton and Classification of Calcareous Sponges", Retrieved 2-25-2016


Allikas: http://en.wikipedia.org/wiki/Calcinea
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