Titusvillia is an extinct genus of colonial glass sponges that existed during the carboniferous period around 300 million years ago.The Paleobiology DatabaseCornell University News It is represented by a single species, Titusvillia drakei.
Taxonomy It is uncertain if taxa in the clade Silicarea are a separate phylum, or contained within the phylum Porifera.Invertebrate Zoology (according to this source Silicispongea is part of Porifera however, according to the Paleobiology Database Silicispongea is its own phylum)
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