Protomedeia

Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Ecdysozoa
Cladus: Panarthropoda
Phylum: Arthropoda
Cladus: Pancrustacea
Superclassis: Multicrustacea
Classis: Malacostraca
Subclassis: Eumalacostraca
Superordo: Peracarida
Ordo: Amphipoda
Subordo: Corophiidea
Infraordo: Corophiida
Superfamilia: Corophioidea

Familia: Corophiidae
Subfamilia: Protomedeiinae
Genus: Protomedeia
Species: P. articulata - P. basilatissima - P. chelata - P. crudoliops - P. dulkeiti - P. epimerata - P. fasciata - P. fasciatoides - P. grandimana - P. penates - P. popovi - P. prudens - P. stephenseni

In Greek mythology, Protomedea or Protomedia (Ancient Greek: Πρωτομέδεια Prôtomedeia) was one of the 50 Nereids, marine-nymph daughters of the 'Old Man of the Sea' Nereus and the Oceanid Doris.[1] Her name means 'the first ruleress'[2] or 'first queen, first counsel'.[3]
Notes

Hesiod, Theogony 249
Kerényi, Carl (1951). The Gods of the Greeks. London: Thames and Hudson. p. 64.

Bane, Theresa (2013). Encyclopedia of Fairies in World Folklore and Mythology. McFarland, Incorporated, Publishers. p. 282. ISBN 9780786471119.

References

Hesiod, Theogony from The Homeric Hymns and Homerica with an English Translation by Hugh G. Evelyn-White, Cambridge, MA.,Harvard University Press; London, William Heinemann Ltd. 1914. Online version at the Perseus Digital Library. Greek text available from the same website.
Kerényi, Carl, The Gods of the Greeks, Thames and Hudson, London, 1951.