# Limatula hodgsoni

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Species of bivalve

Limatula hodgsoni Scientific classification Kingdom: Animalia Phylum: Mollusca Class: Bivalvia Order: Limida Family: Limidae Genus: Limatula Species: L. hodgsoni Binomial name Limatula hodgsoni (E. A. Smith, 1907) [1] Synonyms Lima hodgsoni E. A. Smith, 1907 Limatula (Antarctolima) hodgsoni (E. A. Smith, 1907) Limatula closei Hedley, 1916

***Limatula hodgsoni*** is a [species](/source/Species) of [bivalve](/source/Bivalve) [mollusc](/source/Mollusc) in the [family](/source/Family_(taxonomy)) [Limidae](/source/Limidae), the file shells or file clams. It is native to the seas around Antarctica.

## Description

*Limatula hodgsoni* grows to a length of 27 mm (1.1 in), a height of 35 mm (1.4 in) and a diameter of 20 mm (0.8 in). The [shell](/source/Bivalve_shell) is white, oblong, thin, narrow above and somewhat convex; the posterior side is less curved than the anterior. The [umbones](/source/Umbo_(bivalve)) are central and the ligament area is narrow and diamond-shaped. The valves are sculpted by 30 to 35 squamate ribs separated by grooves slightly narrower than the ribs. The ribs are finely marked by the annual growth lines.[2]

## Distribution

*Limatula hodgsoni* is found on the seabed of the waters around Antarctica at depths down to at least 769 m (2,500 ft).[2] It is very common in the zone deeper than 33 m (110 ft) which is the lower limit for [anchor ice](/source/Anchor_ice) formation. In some areas, this zone is characterised by a layer of sponge [spicules](/source/Sponge_spicule) and dead mollusc shells a metre or more thick, overgrown by living [sponges](/source/Sponge). This matrix is a [biodiverse](/source/Biodiversity) habitat rich in [sea anemones](/source/Sea_anemone), [polychaete worms](/source/Polychaete), [hydroids](/source/Hydroid_(zoology)), [bryozoans](/source/Bryozoa) and molluscs.[3] *Limatula hodgsoni* is the most abundant bivalve mollusc in this habitat and is preyed on by the starfishes *[Odontaster validus](/source/Odontaster_validus)* and *[Diplasterias brucei](/source/Diplasterias_brucei)*.[4]

## References

1. **[^](#cite_ref-WoRMS_1-0)** Bouchet, Philippe (2013). ["*Limatula hodgsoni* (E. A. Smith, 1907)"](https://www.marinespecies.org/aphia.php?p=taxdetails&id=197227). *WoRMS*. [World Register of Marine Species](/source/World_Register_of_Marine_Species). Retrieved 16 February 2017.

1. ^ [***a***](#cite_ref-Smithsonian_2-0) [***b***](#cite_ref-Smithsonian_2-1) ["*Limatula (Antarctolima) hodgsoni* (Smith, 1907)"](http://invertebrates.si.edu/antiz/taxon_view.cfm?ScreenWidth=1024&ScreenHeight=710&MODE=taxon&taxon=7386). *Antarctic Invertebrates*. Smithsonian Institution. Retrieved 16 February 2017.

1. **[^](#cite_ref-Advances_3-0)** [*Advances in Marine Biology*](https://books.google.com/books?id=5TRkC4w8jsoC&pg=PA149). Academic Press. 1972. p. 149. [ISBN](/source/ISBN_(identifier)) [978-0-08-057933-7](https://en.wikipedia.org/wiki/Special:BookSources/978-0-08-057933-7).

1. **[^](#cite_ref-Knox_4-0)** Knox, George A. (2006). [*Biology of the Southern Ocean, Second Edition*](https://books.google.com/books?id=lF_LBQAAQBAJ&pg=PA291). CRC Press. p. 291. [ISBN](/source/ISBN_(identifier)) [978-1-4200-0513-4](https://en.wikipedia.org/wiki/Special:BookSources/978-1-4200-0513-4).

Taxon identifiers Limatula hodgsoni Wikidata: Q13763375 AFD: Limatula_(Antarctolima)_hodgsoni BOLD: 194392 CoL: 72BBX GBIF: 4373317 iNaturalist: 372084 IRMNG: 11404768 NCBI: 182174 OBIS: 197227 Open Tree of Life: 549668 SeaLifeBase: 93876 WoRMS: 197227

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Adapted from the Wikipedia article [Limatula hodgsoni](https://en.wikipedia.org/wiki/Limatula_hodgsoni) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Limatula_hodgsoni?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.