Brookula decussata

Brookula decussata is a species of sea snail, a marine gastropod mollusk unassigned in the superfamily Seguenzioidea.[2]

Brookula decussata
Scientific classification
Kingdom:
Animalia
Phylum:
Mollusca
Class:
Gastropoda
(unranked):
clade Vetigastropoda
Superfamily:
Seguenzioidea
Family:
unassigned
Genus:
Brookula
Species:
B. decussata
Binomial name
Brookula decussata
(Pelseneer, 1903) [1]
Synonyms
  • Brookula rossiana Dell, 1990
  • Brookula sinusbreidensis Numanami & Okutani, 1991
  • Brookula delli Numanami, 1996
  • Cyclostrema decussatum Pelseneer, 1903 (original combination)

This species is considered sometimes a synonym of Brookula pfefferi Powell, A.W.B., 1951,[3] but B. decussata is somewhat smaller and a has a more definite sculpture with fewer spirals and more axials.[4]

Description

The maximum recorded size of the shell is 2.5 mm.

Distribution

This marine species occurs off the South Orkney Islands and off The Antarctic Peninsula.

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References
  1. Pelseneer, P. 1903. Mollusques (Amphineures, Gastropodes et Lamellibranches). Expédition Antartique Belge: Résultats Voyage du S. Y. Belgica en 1897-1898-1899 7: 85 pp., pls. 1–9.
  2. Brookula decussata (Pelseneer, 1903). Retrieved through: World Register of Marine Species on 22 April 2010.
  3. "Brookula pfefferi". Gastropods.com. Retrieved 12 January 2019.
  4. Discovery Reports, Antarctic and subantarctic mollusca; v. 26 1954, p. 104
  • Powell, A. W. B. 1951. Antarctic and Subantarctic Mollusca: Pelecypoda and Gastropoda. Discovery Reports 26: 47–196, pls. 5–10
  • Dell, R. K. 1990. Antarctic Mollusca, with special reference to the fauna of the Ross Sea. Royal Society of New Zealand Bulletin 27: iv + 311 pp
  • Numanami, H. and T. Okutani. 1991. A new species of the genus Brookula collected by the icebreaker Shirase from Breid Bay, Antarctica (Gastropoda: Cyclostrematidae). Venus 50: 37–42.
  • Numanami, H. 1996. Taxonomic study on Antarctic gastropods collected by Japanese Antarctic research expeditions. Memoirs of National Institute of Polar Research (E)39: [v] + 244 pp.
  • Engl W. (2012) Shells of Antarctica. Hackenheim: Conchbooks. 402 pp.


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