''Pennatula'' is a genus of

sea pens Sea pens are marine cnidarians belonging to the superfamily Pennatuloidea, which are colony-forming benthic filter feeders within the order Scleralcyonacea. There are 14 families within the order and 35 extant genera, and it is estimated as of ...

in the

family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...

Pennatulidae Pennatulidae is a family of sea pens, a member of the subclass Octocorallia in the phylum Cnidaria. Genera The World Register of Marine Species lists the following genera Genus (; : genera ) is a taxonomic rank above species and below fam ...

. The genus contains several

bioluminescent Bioluminescence is the emission of light during a chemiluminescence reaction by living organisms. Bioluminescence occurs in multifarious organisms ranging from marine vertebrates and invertebrates, as well as in some fungi, microorganisms inc ...

species, including

Pennatula rubra ''Pennatula'' is a genus of sea pens in the family Pennatulidae. The genus contains several bioluminescent species, including Pennatula rubra, Pennatula phosphorea ''Pennatula'' is a genus of sea pens in the Family (biology), family Pennatuli ...

Pennatula phosphorea ''Pennatula'' is a genus of sea pens in the Family (biology), family Pennatulidae. The genus contains several bioluminescent species, including Pennatula rubra, Pennatula phosphorea, and Pennatula aculeata. References

Bioluminescent cnid ...

, and Pennatula aculeata.

References

Bioluminescent cnidarians Pennatulidae Octocorallia genera {{Octocorallia-stub