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Astraeospongia

noun
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As·​traeo·​spon·​gia | \ ¦astrē(ˌ)ōˈspənjēə, -pän- \

Definition of Astraeospongia

: a genus of saucer-shaped Silurian fossil sponges having 6-rayed stellate spicules and important as Paleozoic index fossils

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History and Etymology for Astraeospongia

New Latin, from astraeo- (from Greek astraios starry, from aster-, astēr star) + -spongia

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Cite this Entry

“Astraeospongia.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/Astraeospongia. Accessed 25 January 2020.

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