Paramontana rufozonata

Paramontana rufozonata, common name red-zoned turrid, is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.[1]

Paramontana rufozonata
Image of a shell of Paramontana rufozonata
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Clade: Caenogastropoda
Clade: Hypsogastropoda
Clade: Neogastropoda
Superfamily: Conoidea
Family: Raphitomidae
Genus: Paramontana
Species:
P. rufozonata
Binomial name
Paramontana rufozonata
(Angas, 1877)
Synonyms[1]
  • Clathurella rufozonata Angas, 1877 (original combination)
  • Defrancia rufozonata (Angas, 1877)
  • Pseudodaphnella rufozonata (Angas, 1877)

Description

The length of the shell attains 5 mm.

(Original description) The fusiformly turreted, solid shell is white, sometimes with a zone of double interrupted chestnut lines near the base of the body whorl, similar chestnut markings being occasionally apparent here and there near the upper portion of the whorls. The shell contains 6 whorls, convex, longitudinally ribbed and crossed with transverse ridges that become sharply and prominently nodulous upon the ribs. The spire is sharp with a light brown apex. The aperture is narrowly quadrate. The outer lip is varicose and denticulated. The posterior sinus is moderate. [2]

(Discussion as Pseudodaphnella rufozonata by Charles Hedley) By G. B. Sowerby [3] this species was united to P. tincta Reeve, and to P. albifuniculata Reeve, an arrangement copied by Pritchard and Gatliff [4]. But P. rufozonata is only two-thirds the height of P. tincta, is of a more slender build, and lacks the peculiar excavate base of that tropical species. The latter feature is shown in Reeve's figure, and is mentioned by Hervier [5] as the " depression circulaire autour de son canal basal." The records by Melvill and Standen [6] and by Bouge and Dautzenberg [7] of P. rufozonata, from the Loyalty Islands, are doubtless due to the confusion between this and P. tincta. P. rufozonata is indeed more nearly related to P. albifuniculata Reeve, but is smaller, more fusiform, and has the radials more prominent owing to the spirals being slighter. A more distant relation is P. barnardi, easily separable by the heavier sculpture and striking colour pattern.

Distribution

This marine species is endemic to Australia and occurs off New South Wales, South Australia, Tasmania and Victoria.

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References
  1. MolluscaBase (2019). MolluscaBase. Paramontana rufozonata (Angas, 1877). Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=434586 on 2019-08-07
  2. Angas, G.F. 1877. Descriptions of two genera and twenty species of marine shells from New South Wales. Proceedings of the Zoological Society of London 1877: 34-40, pl. 5
  3. Sowerby— Proc. Malac. Sec, ii., 1896, p. 28.
  4. Pritchard and Gatliff—Proc. Boy. Soc. Vict., xii., 1900, p. 176.
  5. Hervier -Journ. de Conch., xlv., 1897, p. 92
  6. Melvill and Standen—Journ. of Conch., viii., 1897, p. 403.
  7. Bouge and Dautzenberg—Journ. de Conch., lxi., 1914, p. 204.
  • Verco, J.C. 1909. Notes on South Australian marine Mollusca with descriptions of new species. Part XII. Transactions of the Royal Society of South Australia 33: 293–342
  • Laseron, C. 1954. Revision of the New South Wales Turridae (Mollusca). Australian Zoological Handbook. Sydney : Royal Zoological Society of New South Wales pp. 56, pls 1–12
  • Powell, A.W.B. 1966. The molluscan families Speightiidae and Turridae, an evaluation of the valid taxa, both Recent and fossil, with list of characteristic species. Bulletin of the Auckland Institute and Museum. Auckland, New Zealand 5: 1–184, pls 1–23
  • Hedley, C. 1922. A revision of the Australian Turridae. Records of the Australian Museum 13(6): 213-359, pls 42-56 This article incorporates text from this source, which is in the public domain.
  • Tucker, J.K. (2004). "Catalog of recent and fossil turrids (Mollusca: Gastropoda)" (PDF). Zootaxa. 682: 1–1295.
  • Grove, S.J. (2018). A Guide to the Seashells and other Marine Molluscs of Tasmania: Paramontana rufozonata
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