Orthid definitions

Orthid

• (n.) A brachiopod shell of the genus Orthis, and allied genera, of the family Orthidae.
Found on http://thinkexist.com/dictionary/meaning/orthid/

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Orthid

Or'thid noun (Zoology) A brachiopod shell of the genus Orthis, and allied genera, of the family Orthidæ .
Found on http://www.encyclo.co.uk/webster/O/34

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