Astraeospongia

noun

As·​traeo·​spon·​gia
¦astrē(ˌ)ōˈspənjēə,
-pän-
: a genus of saucer-shaped Silurian fossil sponges having 6-rayed stellate spicules and important as Paleozoic index fossils

Word History

Etymology

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

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Cite this Entry

“Astraeospongia.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Astraeospongia. Accessed 18 Jan. 2025.

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