Polybranchia

Translingual

Etymology

poly- +‎ branchia (gills)

Proper noun

Polybranchia f

  1. Certain organisms bearing numerous branchia:
    1. A taxonomic genus within the family Spionidae – certain polychaetes.
    2. A taxonomic genus within the family Caliphyllidae – certain sea slugs.
    3. (dated, Polybranchia) A group of Nudibranchiata or the modern order Nudibranchia, including those which have numerous branchiae on the back.

References

polychaetes
sea slugs
~Nudibranchia