Acrista punctilla

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Acrista punctilla
Acrista punctilla 001.jpg
Shell of Acrista punctilla (holotype)
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Caenogastropoda
Order: Neogastropoda
Superfamily: Conoidea
Family: Clathurellidae
Genus: Acrista
Species:
A. punctilla
Binomial name
Acrista punctilla
(Hedley, 1922)
Synonyms [1]
  • Lienardia (Acrista) punctilla Hedley, 1922
  • Lienardia punctilla Hedley, 1922

Acrista punctilla , common name the spotted turret, is a species of sea snails, marine gastropod mollusks in the family Clathurellidae. [1]

Contents

Description

The length of the shell attains 4.3 millimetres (0.17 in), its diameter 2.0 millimetres (0.079 in).

(Original description) The small, solid shell is lanceolate. Its colour is dull white, with an orange line in each of the principal interstices.

It contains seven whorls, of which two compose the protoconch. The initial whorl is turbinate, smooth, and wound so obliquely as to overhang the next on one side. The second is also smooth, with a peripheral thread keel.

Sculpture  :—There are six perpendicular subcontinuous radial ribs. These are crossed by cords which project on the summits of the ribs, and which amount to nine on the body whorl and four on the penultimate whorl. The aperture is trigonal, with a short open siphonal canal and a wide effuse sinus. The varix projects a free limb towards the aperture. On the columella are three transverse plaits, which lengthen in ascending. [2]

Distribution

This marine species is endemic to Australia and occurs off Queensland.

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References

  1. 1 2 "Acrista punctilla". WoRMS. World Register of Marine Species . Retrieved 16 March 2024.
  2. ↑ Hedley, C. 1922. A revision of the Australian Turridae. Records of the Australian Museum 13(6): 213–359, pls 42–56 PD-icon.svg This article incorporates text from this source, which is in the public domain .


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