thecostracan means any barnacle etc. of the class Thecostraca (formerly a subclass). Lexicurio rates it Rare gem — a strength score of 83 out of 100.
Etymology
From translingual Thecostraca + -an.
noun
- Any barnacle etc. of the class Thecostraca (formerly a subclass).“While nine barnacle species are recorded for the German sectors of the North and Baltic Sea [95 ], the total number of thecostracan species inhabiting the North Sea is unknown.”