Calliotectum Explained

Calliotectum is a genus of sea snails, marine gastropod mollusks in the family Volutidae.

The genus was first described by William Healey Dall in 1890.^[1]

Description

The shell shows a dark vernicose periostracum. There is no differentiated siphonal canal, anal sulcus or fasciole. The shell is axially ribbed. The columella is thin and twisted. The axis is impervious. The outer lip is simple, arcuate, thin, not internally lirate. The operculum is like that of Fusinus, but arcuate. The animal is blind, without radula or poison gland. Type species: Calliotectum vernicosum Dall, 1890.

Distribution

Species of the genus are found off Taiwan, in the East China Sea, Vanuatu, Indonesia, Loyalty Islands, New Caledonia, Philippines, Eastern Pacific, Galapagos Islands, Lubang Island, Wallis and Futuna, Kermadec Islands, Chesterfield Isles, East China Sea, Indonesia, in the Arafura Sea, and off the northern and western coasts of Australia.^[2]

Species

Species within the genus Calliotectum include:

• Calliotectum dalli (Bartsch, 1942)
• Calliotectum egregium Bouchet & Poppe, 1995
• Calliotectum mirabile (Clench & Aguayo, 1941)
• Calliotectum piersonorum Bouchet & Poppe, 1995
• Calliotectum smithi (Bartsch, 1942)
• Calliotectum tibiaeforme (Kuroda, 1931)
• Calliotectum vernicosum Dall, 1890

References

• Bail P. & Poppe G.T. 2001. A conchological iconography: a taxonomic introduction of the recent Volutidae. ConchBooks, Hackenheim. 30 pp, 5 pl.

External links

• Finlay H.J. (1926). A further commentary on New Zealand molluscan systematics. Transactions of the New Zealand Institute. 57: 320-485, pls 18-23

Notes and References

1. Dall, W.H.. 1890. Scientific results of the explorations of the U.S. Fish Commission steamer "Albatross" no. 7. Preliminary report of the collection of Mollusca and Brachiopoda obtained in 1887-88. Proceedings of the United States National Museum . 12 . 773. 219-362 [304].
2. Web site: Australian Faunal Directory: Calliotectum. 2022-01-26. biodiversity.org.au. en.