Relating to or possessing a cephalotheca (head covering or sheath).
From cephalotheca + -al (adjective suffix). This adjective form allows scientists to describe organisms or structures that have or exhibit a cephalotheca.
Scientific adjectives are predictably built—if something is a 'cephalotheca,' it's 'cephalothecal,' just like how 'bone' becomes 'bony'—scientists value consistency in word formation so technical terms feel logical.
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