General:
A long thin stalk with a cluster of polyps at the end indicates Umbellula; a short, more robust stalk may indicate Kophobelemnon.
Habitat description:
Benthic, soft sediment.
References
Encyclopedia of Life
Tree of Life
World Register of Marine Species
National Center for Biotechnology Information
Williams, G.C. (2001). First record of a bioluminescent soft coral: description of a disjunct population of Eleutherobia grayi (Thomson and Dean, 1921) from the Solomon Islands, with a review of bioluminescence in the octocorallia. Proceedings of the California Academy of Sciences, 52: 209-225.
Risaro, J., G.C. Williams, D. Pereyra, and D. Lauretta (2020). Umbellula pomona sp. nov., a new sea pen from Mar del Plata Submarine Canyon (Cnidaria: Octocorallia: Pennatulacea). European Journal of Taxonomy 720(1): 121–143.
Citation:
Umbellula
(cuvier, 1798) Deep-Sea Guide (DSG) at http://dsg/mbari.org/dsg/view/concept/Umbellula. Monterey Bay Aquarium Research Institute (MBARI). Consulted on 2025-10-28.