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Gyroceras

noun
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Gy·​roc·​er·​as | \ -əs \

Definition of Gyroceras

: a genus of fossil nautiloid cephalopods having the shell in the form of a loosely coiled discoidal spiral

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History and Etymology for Gyroceras

New Latin, from gyr- + -ceras

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“Gyroceras.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Gyroceras. Accessed 24 Feb. 2020.

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