Noun
(uncountable)
- (geology, paleontology) A subdivision of the Ordovician period.
darriwilian
English Wiktionary. Available under CC-BY-SA license.
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"darriwilian." YourDictionary, n.d. Web. 13 December 2018. <https://www.yourdictionary.com/darriwilian>.
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darriwilian. (n.d.). Retrieved December 13th, 2018, from https://www.yourdictionary.com/darriwilian
