Tritonicula wellsi

Tritonicula wellsi, the sea whip slug, is a species of nudibranch, a shell-less marine gastropod mollusc in the family Tritoniidae.[2] The type locality is Beaufort, North Carolina.[3] A number of Caribbean and western Pacific species of Tritonia were moved to a new genus Tritonicula in 2020 as a result of an integrative taxonomic study of the family Tritoniidae.[4]

Tritonia wellsi
Scientific classification
Kingdom:
Animalia
Phylum:
Mollusca
Class:
Gastropoda
Order:
Nudibranchia
Superfamily:
Tritonioidea
Family:
Tritoniidae
Genus:
Tritonicula
Species:
T. wellsi
Binomial name
Tritonicula wellsi
Er. Marcus, 1961[1]

Description

Tritonicula wellsi is white and grows to about 1.5 centimetres (0.6 in) long. The head bears a pair of rhinophores (sensory organs) each with a sheath at its base. There are also six tentacles on the head in a transverse line. The body has two longitudinal rows of arborescent (tree-like) gills which resemble the polyps of the whip corals on which it lives and feeds. It is adapted for life on the coral, Leptogorgia virgulata, and is found nowhere else. It closely resembles the related species, Tritonicula bayeri, which has much the same range.[5]

Distribution

Tritonicula wellsi is found wherever its host occurs, on the western fringes of the Atlantic Ocean, from North Carolina and Florida south to Belize, Honduras, Costa Rica, the Virgin Islands and Brazil.[3][6]

References
  1. Marcus, Er. (1961). Opisthobranchs from North Carolina. The Journal of the Mitchell Society. November 1961: 141-151.
  2. MolluscaBase eds. (2020). MolluscaBase. Tritonicula wellsi (Er. Marcus, 1961). Accessed on 2021-01-06.
  3. Tritonia wellsi - Er. Marcus, 1961 Malacolog: A Database of Western Atlantic Marine Mollusca. Retrieved 2011-12-10.
  4. Korshunova, T.; Martynov, A. (2020). Consolidated data on the phylogeny and evolution of the family Tritoniidae (Gastropoda: Nudibranchia) contribute to genera reassessment and clarify the taxonomic status of the neuroscience models Tritonia and Tochuina. PLOS ONE. 15(11): e0242103.
  5. Ruppert, Edward E.; Richard S. Fox (1988). Seashore animals of the Southeast: a guide to common shallow-water invertebrates of the Southeastern Atlantic Coast. p. 124. ISBN 9780872495357. Retrieved 2011-12-10.
  6. Caussat, M. 2021. Tritonia wellsi Seaslugs Guadeloupe, accessed 2021-01-06.
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