Order Aeschronectida Rank Genus | Family Aenigmacarididae | |
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Joanellia is an extinct genus of Carboniferous crustacean. 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
Joanellia Wikipedia(Text) CC BY-SA