Inquisitor glauce

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Inquisitor glauce
Inquisitor glauce 001.jpg
Shell of Inquisitor glauce
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Caenogastropoda
Order: Neogastropoda
Superfamily: Conoidea
Family: Pseudomelatomidae
Genus: Inquisitor
Species:
I. glauce
Binomial name
Inquisitor glauce
(Dall, 1918)
Synonyms [1]
  • Drillia ventricosaHedley, 1908
  • Inquisitor (Drillia) ventricosaSmith, 1888
  • Pleurotoma glauceDall, 1918

Inquisitor glauce is a species of predatory sea snail, a marine gastropod mollusk in the family Pseudomelatomidae. [1] It was first documented by E. A. Smith in 1888. [2] I. glauce is not a broadcast spawner, meaning it does not release unfertilized eggs into the water. Unlike many gastropods, the trochophore stage is not present in the life cycle of these predatory sea snails, meaning it is not found as a veliger. [3] [4] Very little is known about its diet or habits due to its small size and residence in benthic depths.

Taxonomy

First documented in 1888 by E. A. Smith, it was given the name Pleurotoma (Drillia) ventricosa. [2] However, this name was not accepted taxonomically as it was a junior homonym of Pleurotoma ventricosa (Lamarck, 1804), another species of sea snail. [5] Pleurotoma glauce was its replacement name, and in 1918, it was given the modern name Inquisitor glauce. [2]

Description

Diagram of some of the technical terms of anatomy of a mollusc shell Diagram of a mollusk shell.png
Diagram of some of the technical terms of anatomy of a mollusc shell

The shell grows to a length of 27.5 mm; its diameter 9.5 mm. [6]

The overall shape of the shell is oval and spirally closely lined. The general colouration of this shell is reddish testaceous and is slightly washed with white. The white lines in the middle of the whorls is more distinct than the others. The aperture is red-brown and long, equal to about ½ of the total length. It is truncated at the base. The anterior canal is short and oblique. The columella is straight, lined with a thin callous. The callous thickens towards the top. [6]

The radula of I. glauce is composed of two or three teeth in a row with curved and solid marginal teeth. All species in Pseudomelatomidae share a similar radula structure. [7]

Distribution

Australia's Perry Island, indicated by the red arrow, on map Perry Island, Australia, on map.png
Australia's Perry Island, indicated by the red arrow, on map

This marine species is endemic to northeastern Australia and is distributed in the marine waters between the Home Islands, particularly Perry Island, and the state of Queensland.

I. glauce has been found at benthic depths, the lowest ecological zone in the ocean, thus considered macrobenthos. [3]

See also

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References

  1. 1 2 Inquisitor glauce (Dall, 1918) . Retrieved through: World Register of Marine Species  on 4 April 2010.
  2. 1 2 3 "Molluscabase - Pleurotoma (Drillia) ventricosa E. A. Smith, 1888". www.molluscabase.org. Retrieved 22 February 2024.
  3. 1 2 "Inquisitor glauce". www.sealifebase.ca. Retrieved 22 February 2024.
  4. ↑ "Trochophore - an overview | ScienceDirect Topics". www.sciencedirect.com. Retrieved 23 February 2024.
  5. ↑ Muséum national d'histoire naturelle (France); naturelle (France), Muséum national d'histoire (1804). Annales du Muséum d'histoire naturelle. Vol. t.3 (1804). Paris: G. Dufour, et Ed. d'Ocagne.
  6. 1 2 The Annals and magazine of natural history; zoology, botany, and geology. Vol. ser.6:v.2=no.7-12 (1888). London: Taylor and Francis, Ltd. 1888.
  7. ↑ Kantor, Yuir I.; Taylor, John D. (October 2000). "Formation of marginal radular teeth in Conoidea (Neogastropoda) and the evolution of the hypodermic envenomation mechanism". Journal of Zoology. 252 (2): 251–262. doi:10.1111/j.1469-7998.2000.tb00620.x. ISSN   0952-8369.
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