orthide
/ˈɔːθʌɪd/Palaeontology
noun
A fossil articulate brachiopod of the order Orthida, of the Palaeozoic era.
adjective
Of, relating to, or characteristic of the order Orthida.
Origin
1970s; earliest use found in Philosophical Transactions of the Royal Society of London. From scientific Latin Orthida, order name (R. C. Moore et al. Invertebrate Fossils vi. 220, after earlier Orthoidea, suborder name) from Orthis + -ida.