Kingdom Animalia Class Polyplacophora Family Ischnochitonidae Rank Genus | Phylum Mollusca Order Neoloricata Subfamily Lepidochitoninae | |
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Spongioradsia is an extinct genus of polyplacophoran molluscs. Spongioradsia became extinct during the Oligocene period.
References
Spongioradsia Wikipedia(Text) CC BY-SA