productid
/prə(ʊ)ˈdʌktɪd/Palaeontology
noun
An articulate brachiopod of the extinct family Productidae or order Productida, found from the Ordovician to the Permian periods and characterized by spines or projections from the shell which are thought to have anchored the animal to the substrate.
adjective
Of, relating to, or characteristic of the family Productidae or the order Productida.
Origin
Early 20th century; earliest use found in Encyclopaedia Britannica. From scientific Latin Productus, genus name + -id, after scientific Latin Productidae, family name.