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Retroplumoidea |
| Retroplumidae Fossil range: Coniacian-Recent 86.0–0 Ma |
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Retropluma |
Retroplumidae is a family of heterotrematan crustaceans. These crabs are very distinctive and placed in the monotypic superfamily Retroplumoidea.
They are living fossils, with only a single genus, Retropluma, surviving in the deep sea of the Indopacific region. Two more genera are known only from fossils: