ichthyodorulite

noun

ich·​thyo·​dor·​u·​lite

variants or less commonly ichthyodorylite

-rəˌ-

plural -s

: a fossil fin spine, dermal spine, or tubercle of a fish or ichthyoid vertebrate

Word History

Etymology

ichthy- + dory- or doru- (alteration of dory-) + -lite

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