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Clathrina clathrus Scarpone 055.jpg
Clathrina clathrus
Scientific classification e
Kingdom: Animalia
Phylum: Porifera
Class: Calcarea
Subclass: Calcinea
Bidder, 1898

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]


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