Joanellia
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.
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.