Joanellia
Introduction '''''Joanellia''''' is an extinct genus of Carboniferous crustaceans. It contains the species '''''Joanellia lundi''''' from lagoons in what is now Montana, and '''''Joanellia elegans''''' from near-shore marine deposits in northern England and southern Scotland.
References
External links *  ''Joanellia'' at the Paleobiology Database