Calcispongiae

plural noun
Cal·​ci·​spon·​gi·​ae | \ˌkalsə̇ˈspənjēˌē, -ˈä-\

Definition of Calcispongiae 

: a class of Porifera comprising marine sponges with a skeleton of calcareous spicules commonly divided into orders Asconosa and Syconosa on the basis of the complexity of the canal system

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History and Etymology for Calcispongiae

New Latin, from calci- + -spongiae

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