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This article is about the genus of sea snails. For the genus of fungi, see Colus (fungus).
Temporal range: 66.043–0.0 Ma
Colus islandicus 001.jpg
Two shells of Colus islandicus
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
(unranked): clade Caenogastropoda
clade Hypsogastropoda
clade Neogastropoda
Superfamily: Buccinoidea
Family: Buccinidae
Genus: Colus
Röding, 1798
Type species
Murex islandicus Mohr, 1786
  • Chrysodomus (Sipho) Mörch, 1852
  • Fusus (Sipho) Mörch, 1852
  • Neptunea (Sipho) Mörch, 1852
  • Neptunea (Siphonorbis) Mörch, 1869
  • Sipho Mörch, 1852
  • Siphonorbis Mörch, 1869
  • Tritonofusus Beck, 1847

Colus (lat. colus, distaff) is a genus of sea snails, marine gastropod mollusks in the family Buccinidae, the true whelks.[1]


The name Colus is not available from Humphrey, 1797 (published in a work placed on the Official Index). Most recent authors use the name Colus Röding, 1798 for the genus instead of Sipho Bruguière, 1792. Iredale (1919b) mentioned: "This name cannot be defended by anyone" and was rejected by the ICZN (Op. 21). Also Tritonofusus Beck, 1874 cannot be used because of the rules of priority.


Species within the genus Colus include:[1]

Names brought into synonymy
Species represented in the fossil record
  • Colus altus
  • Colus gracilis
  • Colus hollboelli
  • Colus islandicus
  • Colus pygmaeus
  • Colus stimpsoni


  1. ^ a b c Colus Röding, 1798.  Retrieved through: World Register of Marine Species on 29 August 2010.
  • Bouchet P. & Warén A. (1985). Revision of the Northeast Atlantic bathyal and abyssal Neogastropoda excluding Turridae (Mollusca, Gastropoda). Bollettino Malacologico Suppl. 1: 121-296

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