noun Asty·lo·spon·gia \¦āˌstīləˈspənjēə, -pän-\

Definition of Astylospongia

  1. :  a genus of small pear-shaped siliceous fossil sponges including important index fossils occurring in Middle Silurian strata

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Origin and Etymology of astylospongia

New Latin, from astyl-, astylo- (from 2a- + styl-) + -spongia

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a brief usually trivial fact

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