Pennatula - Wikipedia 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 [2][3]
Sea pen | Cnidarian, Anthozoan Polyp | Britannica sea pen, any of the 300 species of the order Pennatulacea, colonial invertebrate marine animals of the class Anthozoa (phylum Cnidaria) The name sea pen derives from their resemblance to quill pens They occur in shallow and deep waters from polar seas to the tropics
Pennatula: Definition, Examples Quiz | UltimateLexicon. com Pennatula is a genus of colonial marine cnidarians belonging to the order Pennatulacea, more commonly referred to as sea pens due to their feather-like appearance These fascinating marine animals are composed of multiple polyps (individual organisms) living together as a colony
WoRMS - World Register of Marine Species - Pennatula Linnaeus . . . Homonymy Linnaeus's Pennatula 1758 is a good name for the cnidarians, as this was used first This homonym of the copepods was created when they were tacked on just because they kind of looked like the cnidarians Linnaeus did not have a clue
Introduction to the Pennatulacea One of the most distinctive groups of "soft corals," or octocorals, is the Pennatulacea, or "sea pens " As is the case for all octocorals, sea pens are actually colonies of polyps What distinguishes sea pens is polyp dimorphism One polyp grows very large and loses its tentacles, forming the central axis