Acanthodoris brunnea

Acanthodoris brunnea, common name the brown horned dorid, is a species of sea slugs, a dorid nudibranch, a shell-less marine gastropod mollusc in the family Onchidorididae.[2][3]

Acanthodoris brunnea
Dorsal view and detail of dorsal papillae of the nudibranch Acanthodoris brunnea
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Heterobranchia
Order: Nudibranchia
Suborder: Doridina
Superfamily: Onchidoridoidea
Family: Onchidorididae
Genus: Acanthodoris
Species:
A. brunnea
Binomial name
Acanthodoris brunnea

Distribution

This species was described from Monterey Bay, California. It has been reported from Vancouver Island, British Columbia south to Santa Monica Bay.[4][5] Specimens from Monterey Bay have been sequenced for the 16S ribosomal RNA and CO1 genes.[6][7]

Description
An Acanthodoris brunnea

A. brunnea has a brown mantle with white and black spots. Most of the mantle is covered with semi-transparent gray papilla. They grow to about 20mm long.

It is described that when handled, Acanthodoris brunnea emit the smell of cedar.[5]

References
  1. MacFarland, F.M. (1905). A preliminary account of the Dorididae of Monterey Bay, California. Proceedings of the Biological Society of Washington, 18: 35-54. page 52.
  2. Rosenberg, G. (2015). Acanthodoris brunnea MacFarland, 1905. In: MolluscaBase (2015). Accessed through: World Register of Marine Species on 2016-01-09.
  3. Turgeon, D.; Quinn, J.F.; Bogan, A.E.; Coan, E.V.; Hochberg, F.G.; Lyons, W.G.; Mikkelsen, P.M.; Neves, R.J.; Roper, C.F.E.; Rosenberg, G.; Roth, B.; Scheltema, A.; Thompson, F.G.; Vecchione, M.; Williams, J.D. (1998). Common and scientific names of aquatic invertebrates from the United States and Canada: mollusks. 2nd ed. American Fisheries Society Special Publication, 26. American Fisheries Society: Bethesda, MD (USA). ISBN 1-888569-01-8. IX, 526 + cd-rom pp.
  4. Behrens, D. W., & Hermosillo, A. (2005) Eastern Pacific nudibranchs, a guide to the opisthobranchs from Alaska to Central America. vi + 137 pp., 314 photos. Sea Challengers, Monterey, California, page 55.
  5. Rudman, W.B., 2002 (October 29) Acanthodoris brunnea MacFarland, 1905. [In] Sea Slug Forum. Australian Museum, Sydney.
  6. Hallas, JM and Gosliner, TM. (2015) Family Matters: the first molecular phylogeny of the Onchidorididae (Mollusca, Gastropoda, Nudibranchia). Molecular Phylogenetics and Evolution, 88: 16-27.
  7. Hallas, J.M., Simison, W.B. & Gosliner, T.M. (2016) Dating and biogeographical patterns in the sea slug genus Acanthodoris Gray, 1850 (Mollusca, Gastropoda, Nudibranchia). Molecular Phylogenetics and Evolution, 97: 19-31.
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