Conus trigonus

Conus trigonus, common name the trigonal cone, is a species of sea snail, a marine gastropod mollusk in the family Conidae, the cone snails and their allies.[1]

Conus trigonus
Apertural and abapertural views of shell of Conus trigonus Reeve, L.A., 1848
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Clade: Caenogastropoda
Clade: Hypsogastropoda
Clade: Neogastropoda
Superfamily: Conoidea
Family: Conidae
Genus: Conus
Species:
C. trigonus
Binomial name
Conus trigonus
Reeve, 1848
Synonyms[1]
  • Conus (Plicaustraconus) trigonus Reeve, 1848 · accepted, alternate representation
  • Plicaustraconus trigonus (Reeve, 1848)

Like all species within the genus Conus, these snails are predatory and venomous. They are capable of "stinging" humans, therefore live ones should be handled carefully or not at all.

The subspecies Conus trigonus adami Wils, 1988 is a synonym of Conus adami Wils, 1988

Taxonomy

Conus adami is often treated as a subspecies or synonym of Conus trigonus. The latter is a shallow-water species occurring in NW Australia, whereas adami is an offshore species occurring off Northern Australia. The two overlap in the Darwin area, and there are specimens that appear to be intermediate. For conservation implications, the two are here listed as distinct.

Description

The size of the marine shell varies between 40 mm and 92 mm. The shell is somewhat triangularly ovate and grooved at the base. The depressed spire has five grooves and is sharp at the apex. The color of the shell is white, stained and banded with reddish brown, and encircled with numerous narrow delicately articulated filaments. The spire is tessellated.[2]

Distribution

Range: North West Cape, Western Australia to the Northern Territories.[3]

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gollark: I think they just muck up GPS for particular locations.
gollark: One evil idea I had relating to that was to spoof GPS for specific IDs, so you could subtly mess up their location finding.
gollark: I use that for my WyattTracker system.
gollark: You can *associate* IDs with locations if you have 4 modems and a computer listening to GPS.

References
  1. Conus trigonus Reeve, 1848. Retrieved through: World Register of Marine Species on 27 March 2010.
  2. G.W. Tryon (1884) Manual of Conchology, structural and systematic, with illustrations of the species, vol. VI; Philadelphia, Academy of Natural Sciences
  3. Illustrated Catalog of the Living Cone Shells by John K. Tucker & Manuel J. Tenorio, 2013
  • Reeve, L.A. 1848. Monograph of the genus Conus. supp. pls 1-3 in Reeve, L.A. (ed). Conchologia Iconica. London : L. Reeve & Co. Vol. 1.
  • Wilson, B.R. & Gillett, K. 1971. Australian Shells: illustrating and describing 600 species of marine gastropods found in Australian waters. Sydney : Reed Books 168 pp.
  • Röckel, D., Korn, W. & Kohn, A.J. 1995. Manual of the Living Conidae. Volume 1: Indo-Pacific Region. Wiesbaden : Hemmen 517 pp.
  • Wilson, B. 1994. Australian Marine Shells. Prosobranch Gastropods. Kallaroo, WA : Odyssey Publishing Vol. 2 370 pp.
  • Tucker J.K. & Tenorio M.J. (2009) Systematic classification of Recent and fossil conoidean gastropods. Hackenheim: Conchbooks. 296 pp.
  • Puillandre, N.; Duda, T.F.; Meyer, C.; Olivera, B.M.; Bouchet, P. (2015). "One, four or 100 genera? A new classification of the cone snails". Journal of Molluscan Studies. 81: 1–23. doi:10.1093/mollus/eyu055. PMC 4541476. PMID 26300576.
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