Translingual

Proper noun

Unionidae

1. A taxonomic family within the order Unionoida – the river mussels.

Hypernyms

• (family): Mollusca - phylum, Bivalvia - class, Palaeoheterodonta - subclass, Unionoida - order, Unionoidea - superfamily

Hyponyms

• (family): See Unionidae on Wikipedia.Wikipedia for the numerous genera.