Lambis truncata

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Species of gastropod

title: "Lambis truncata" type: doc version: 1 created: 2026-02-28 author: "Wikipedia contributors" status: active scope: public tags: ["strombidae", "gastropods-described-in-1786"] description: "Species of gastropod" topic_path: "general/strombidae" source: "https://en.wikipedia.org/wiki/Lambis_truncata" license: "CC BY-SA 4.0" wikipedia_page_id: 0 wikipedia_revision_id: 0

::summary Species of gastropod ::

| image = Lambis_truncata_01.JPG | image_caption = Five views of a shell of Lambis truncata | image2 = Caracola (Lambis truncata), islas Ad Dimaniyat, Omán, 2024-08-15, DD 90.jpg | image2_caption = Lambis truncata in Ad Dimaniyat Islands, Oman | genus = Lambis | species = truncata | authority = (Humphrey, 1786) | synonyms_ref = | synonyms = *Lambis bryonia Gmelin, 1791

Lambis truncata, common name the giant spider conch, is a species of sea snail, a marine gastropod mollusc in the family Strombidae, the true conchs.

Subspecies

::figure[src="https://upload.wikimedia.org/wikipedia/commons/4/4f/Lambis_truncata_truncata_37.jpg" caption="A shell of ''Lambis truncata truncata''"] ::

::figure[src="https://upload.wikimedia.org/wikipedia/commons/b/bd/Lambis_truncata_sebae_28a.jpg" caption="A shell of ''Lambis truncata sebae''"] ::

Subspecies of Lambis truncata include:

  • Lambis truncata truncata (Humphrey, 1786)
  • Lambis truncata sebae (Kiener, 1843)

Lambis truncata truncata has a flat apex, while the apex of Lambis truncata sebae is more pointed.

Description

::figure[src="https://upload.wikimedia.org/wikipedia/commons/f/f7/Lambis_truncata_Kiener1843.jpg" caption="A colored drawing of ''Lambis truncata'' from Kiener, 1843, depicting both the shell and soft parts"] ::

Lambis truncata is the largest and heaviest of spider shells, up to 40 cm. Lambis truncata is similar to Lambis lambis but with a more squarish outline. Younger shells are creamy white; columella and lip usually mauve brown when older.

Distribution

The distribution of Lambis truncata includes the Indian Ocean off Aldabra, Chagos, Madagascar, Mauritius, Tanzania; the Bay of Bengal and in the Pacific Ocean along the Philippines.

Ecology

Lambis truncata lives on rubble and coarse sand in shallow water.

References

This article incorporates CC-BY-SA-3.0 text from the reference.

  • Dautzenberg, Ph. (1929). Mollusques testacés marins de Madagascar. Faune des Colonies Francaises, Tome III
  • Spry, J.F. (1961). The sea shells of Dar es Salaam: Gastropods. Tanganyika Notes and Records 56
  • Walls, J.G. (1980). Conchs, tibias and harps. A survey of the molluscan families Strombidae and Harpidae. T.F.H. Publications Ltd, Hong Kong

References

  1. {{WRMS species. 211091. ''Lambis truncata'' (Humphrey, 1786)

::callout[type=info title="Wikipedia Source"] This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page. ::

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