Clionella costata explained

Clionella costata is a species of sea snail, a marine gastropod mollusk in the family Clavatulidae.[1]

Description

(Original description) The shell has a fusiform shape and is longitudinally ribbed. There is a deep sinus at the top of the outer lip. The base is contracted. The siphonal canal is wide.[2]

The figure of the type, produced by Swainson, shows a shell with a tapering base, unlike any other species of Clionella.[3]

Notes and References

  1. P. Bouchet . Yu. I. Kantor . A. Sysoev . N. Puillandre . 2011 . A new operational classification of the Conoidea (Gastropoda) . . 77 . 3 . 273–308 . 10.1093/mollus/eyr017. free .
  2. Book: William Swainson. A Treatise on Malacology: Or, Shells and Shell Fish. 1840. Longman, Orme, Brown, Green & Longmans. 1.
  3. Kilburn RN (1985), Turridae (Mollusca: Gastropoda) of southern Africa and Mozambique. Part 2. Subfamily Clavatulinae; Annals of the Natal Museum, 1985

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