Calcinea
{{short description|Subclass of calcareous sponges}}
{{Automatic taxobox
| image = Clathrina_clathrus_Scarpone_055.jpg
| image_caption = Clathrina clathrus
| taxon = Calcinea
| authority = Bidder, 1898
| subdivision_ranks = Orders
| subdivision = * Clathrinida
}}
The Calcinea are a subclass of the calcareous sponges. Its phylum is Porifera and class is Calcarea."[http://www.marinespecies.org/porifera/porifera.php?p=taxdetails&id=131585 World Porifera Database]", Marinespecies.org, Retrieved 2-25-2016 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."[http://www.marinespecies.org/porifera/porifera.php?p=sourceget&id=7142 The Skeleton and Classification of Calcareous Sponges]", Retrieved 2-25-2016