Euspira catena

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Euspira catena
Temporal range: Miocene - Recent
Euspira catena.jpg
Shells of Euspira catena
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Caenogastropoda
Order: Littorinimorpha
Family: Naticidae
Genus: Euspira
Species:
E. catena
Binomial name
Euspira catena
(da Costa, 1778) [1]
Synonyms [2] [3]
  • Lunatia catena(da Costa, 1778)
  • Lunatia catena da Costa, 1778
  • Lunatia monilifera Lamarck, 1822
  • Natica castaneaLamarck, 1822
  • Natica catenada Costa, 1778
  • Natica moniliferaLamarck, 1822
  • Polinices catenada Costa, 1778
  • Polinices moniliferaLamarck, 1822
  • Polinices (Euspira) catena(Da Costa, 1778)
  • Polinices (Lunatia) catena(da Costa, 1778)
  • Polinices (Lunatia) monilifera(Lamarck, 1822)

Euspira catena, previously known as Natica catena, common name the large necklace shell, is a medium-sized species of predatory sea snail, a marine gastropod mollusc in the family Naticidae, the moon snails. [3]

Contents

Fossil records

The fossil record of this species dates back to the Miocene (age range: 13.65 to 0.012 million years ago). These fossils have been found in Morocco, the Netherlands, Spain, Italy, United Kingdom and Slovakia. [4]

Description

The sand collar egg mass of Euspira catena Euspira catena (eggs).jpg
The sand collar egg mass of Euspira catena

The rounded shell is thin and polished and brownish-yellow, with a row of reddish markings just below the suture of the last whorl. It can grow to about 3 cm (1 in) and has a short spire and seven rounded whorls separated with distinct sutures. The lowest whorl occupies about 90% of the volume. It has a large umbilicus and the operculum is ear-shaped and spirally wound.

The foot is cream coloured and very large, partially covering the shell when the animal is moving. The head has two long flattened tentacles and a short snout with extensible proboscis.

The large necklace shell might be confused with a similar but smaller species, the common necklace shell ( Euspira pulchella ). [5] [2]

Distribution

The large necklace shell is found on the coasts of Northwest Europe, from the Mediterranean Sea to the Skagerrak and in the Northeast Atlantic Ocean. [6]

Biology

The large necklace shell lives buried in the sand and gravel of the lower shore and the neritic zone to depths of 125 metres. It feeds on bivalve molluscs, penetrating their shells with its proboscis and sucking out the contents. [2]

Egg capsules are laid in a spirally wound collar of jelly embedded with sand grains. The remains of these may be found on the beach. [2]

Bibliography

Fossil shell of Euspira catena from Pliocene of Italy Naticidae - Euspira catena.JPG
Fossil shell of Euspira catena from Pliocene of Italy

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References

  1. ↑ Da Costa E. M. (1778). Historia Naturalis Testaceorum Britanniae. London: Millan, White, Elmsley & Robson XII + 254 + VIII p., 17 pl.
  2. 1 2 3 4 "Necklace shell - Euspira catena". Marine Life Information Network.
  3. 1 2 Bouchet, P. (2012). Lunatia catena (da Costa, 1778). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=150590 on 2012-08-15
  4. ↑ Fossilworks
  5. ↑ Barrett, J. & C. M. Yonge (1958) Collins Pocket Guide to the Sea Shore. Collins, London.
  6. ↑ Marine Species Identification Portal
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