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''Pennatula'' is a genus of
sea pens Sea pens are colonial marine cnidarians belonging to the order Pennatulacea. There are 14 families within the order; 35 extant genera, and it is estimated that of 450 described species, around 200 are valid. Sea pens have a cosm ...
in the
family Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its members and of society. Idea ...
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 ( plural genera ) is a taxonomic rank used in the biological c ...
. The genus contains several
bioluminescent Bioluminescence is the production and emission of light by living organisms. It is a form of chemiluminescence. Bioluminescence occurs widely in marine vertebrates and invertebrates, as well as in some fungi, microorganisms including some b ...
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, and Pennatula aculeata ''Pennatula'' is a genus of sea pens in the family P ...
,
Pennatula phosphorea ''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 Pennatulid ...
, and
Pennatula aculeata ''Pennatula'' is a genus of sea pens in the family Pennatulidae. The genus contains several bioluminescent Bioluminescence is the production and emission of light by living organisms. It is a form of chemiluminescence. Bioluminescence o ...
.


References

Bioluminescent cnidarians Pennatulidae Octocorallia genera {{Octocorallia-stub