Naticidae

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Naticidae
Temporal range: late Triassic or early Jurassic – Recent [1]
Natica hebraea.jpg
A live individual of Naticarius hebraeus (Martyn, 1786), viewed from the front
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Caenogastropoda
Order: Littorinimorpha
Superfamily: Naticoidea
Family: Naticidae
Guilding, 1834
Type genus
Pseudomelatoma
Dall, 1918
Genera

See text

Diversity [1]
260–270 Recent species

Naticidae, common name moon snails or necklace shells, is a family of medium to large-sized predatory sea snails, marine gastropod molluscs in the clade Littorinimorpha. The shells of the species in this family are mostly globular in shape.

Contents

Naticidae is the only family in the superfamily Naticoidea.

It has been estimated that worldwide there are about 260–270 recent species of naticid snails. [1] This group is assumed to have originated in the late Triassic or in the early Jurassic. [1] Members of this family can be recognized by the shape of their shells, distinct appearance, or by their predatory behaviour. [1]

Distribution

Naticids are widely distributed and occur worldwide and are considered to be a delicate part of the web of nature amongst many others. The greatest diversity of both species and genera is found in tropical regions. Even so, naticid snails are also plentiful in temperate, Arctic and Antarctic waters. [1]

Habitat

Moon snails live on sandy substrates, at a great variety of depths depending on the species (from the intertidal zone to thousands of meters in depth). [1] They are often seen ploughing along in the sand, searching for bivalves and other prey, resulting in countersunk bore-holes.

Life habits

Divaricella quadrisulcata showing Naticid predation holes Divaricella quadrisulcata showing Naticid predation holes.jpg
Divaricella quadrisulcata showing Naticid predation holes

Naticids are predatory, feeding mostly on bivalves. They will also attack almost any other shelled mollusk they encounter in the sand, such as scaphopods and other gastropods, including other moon snails. [1] Additionally, Conuber sordidum was shown to prey on the soldier crab Mictyris longicarpus (Crustacea) by drilling predation. [2] [3] To catch soldier crabs, C. sordidum uses the same behaviour as when hunting shelled molluscan prey. [3]

The moon snail envelops the prey and then bores a hole through the shell using its radula and an acid secretion. Once the shell is bored open, the proboscis is used to consume the flesh of the prey. The hole in the shell, which has a "countersunk" appearance with chamfered edges, and which varies in size according to the species, is a characteristic sign of moon snail predation.

Sand collars

Sand collar and shell of Neverita josephinia; Mediterranean Sea Sand collar from Neverita josephinia (cropped).jpg
Sand collar and shell of Neverita josephinia ; Mediterranean Sea

In the breeding season, the female moon snail lays a rather stiff egg mass which includes sand and mucus. These objects wash up on sandy beaches fairly often, and are known by the common name "sand collars" because of their resemblance to an old-fashioned removable shirt collar or false-collar, especially when intact. These egg masses are characteristic of the moon snails, being unique to this family. [4] [ verification needed ] The sand collar consists of sand grains cemented together by a gelatinous matrix, with the embedded eggs contained within the matrix. The collar is laid by the female moon snail, and the size of the sand collar gives an indication of the size of the adult female moon snail that laid it; larger species of moon snail lay larger sand collars.

A fresh sand collar feels stiff and yet flexible, as if it were made out of plastic. Each sand collar contains thousands of capsules, each one housing one or several live embryos. In species with planktonic development, these embryos hatch out as bilobed veligers. After the eggs hatch, the sand collar disintegrates. Sand collars are often found washed up either whole or fragmented on sandy beaches where moon snails inhabit, either intertidally or subtidally. [5] [ verification needed ]

Human interactions

In Korean cuisine, moon snails are called golbaengi (골뱅이) and eaten as golbaengi-muchim (moon snail salad). [6]

Moon snail shells are attractive and relatively large, and often popular in jewellery and ornamentation.

Taxonomy

Traditional classification

Some authors have suggested a distinct separation of the Naticidae into four subfamilies: Ampullospirinae, Naticinae, Polinicinae and Sininae. [7] This arrangement is mainly based on morphological data, such as details of the operculum including the material (calcareous in the Naticinae, corneous in the Polinicinae and Sininae) and size, and also the morphology of the shell. [8] [9] [10]

2005 taxonomy

The following four subfamilies were recognized in the taxonomy of Bouchet & Rocroi (2005): [11]

Genera

Genera in the family Naticidae include:

Unassigned to a subfamily
Subfamily Naticidae incertae sedis (temporary name)
subfamily Naticinae
subfamily Globisininae
subfamily Polinicinae Gray, 1847
Subfamily Sininae Woodring, 1928

subfamily ?

Synonyms

References

  1. 1 2 3 4 5 6 7 8 Huelsken, T.; Marek, C; Schreiber, S; Schmidt, I; Hollmann, M. (2008). "The Naticidae (Mollusca: Gastropoda) of Giglio Island (Tuscany, Italy): Shell characters, live animals, and a molecular analysis of egg masses" (PDF). Zootaxa. 1770. Magnolia Press: 1–40. doi: 10.11646/zootaxa.1770.1.1 . ISSN   1175-5334 . Retrieved 7 June 2010.
  2. ↑ Ann M. Cameron (1966). "Some aspects of the behaviour of the soldier crab, Mictyris longicarpus". Pacific Science . 20 (2): 224–234. hdl:10125/7754.
  3. 1 2 Huelsken, T. (2011) First evidence of drilling predation by Conuber sordidus (Swainson, 1821) (Gastropoda: Naticidae) on soldier crabs (Crustacea: Mictyridae). Molluscan Research, 31(2), 125-131.
  4. ↑ Bandel, K. (1999) On the origin of the carnivorous gastropod group Naticoidea (Mollusca) in the Cretaceous with description of some convergent but unrelated groups. Greifswalder Geowissenschaftliche Beiträge, 6, 134-175
  5. ↑ Huelsken T. et al. (2008) The Naticidae (Mollusca: Gastropoda) of Isola del Giglio (Tuscany, Italy): Shell characters, live animals, and a molecular analysis of egg masses. Zootaxa, 1770, 1-40.
  6. ↑ National Institute of Korean Language (30 July 2014). "주요 한식명(200개) 로마자 표기 및 번역(영, 중, 일) 표준안" (PDF) (in Korean).
  7. ↑ Kabat A.R. 1991. The classification of the Naticidae (Mollusca: Gastropoda): Review and analysis of the supraspecific taxa. Bull. Mus. Comp. Zool., 152, 417-449.
  8. ↑ Cernohorsky W.O. 1971. The family Naticidae (Mollusca: Gastropoda) in the Fiji Islands . Auckland Inst. Mus., 8, 169-208.
  9. 1 2 Marincovich L.N. 1977. Cenozoic Naticidae (Mollusca: Gastropoda) of the Northeastern Pacific. Bulletins of American Paleontology, 70, 169-212.
  10. ↑ Bandel K. 1999. On the origin of the carnivorous gastropod group Naticoidea (Mollusca) in the Cretaceous with description of some convergent but unrelated groups. Greifswalder Geowissenschaftliche Beiträge, 6, 134-175.
  11. ↑ Bouchet, Philippe; Rocroi, Jean-Pierre; Frýda, Jiri; Hausdorf, Bernard; Ponder, Winston; Valdés, Ángel & Warén, Anders (2005). "Classification and nomenclator of gastropod families". Malacologia . 47 (1–2). Hackenheim, Germany: ConchBooks: 1–397. ISBN   3-925919-72-4. ISSN   0076-2997.
  12. ↑ Huelsken, T., Wägele, H., Peters, B., Mather, A., Hollmann, M. (2011) Molecular analysis of adults and egg masses reveals two independent lineages within the infaunal gastropod Naticarius onca (Röding, 1798) (Caenogastropoda: Naticidae). Molluscan Research, 31(3), 141-151. PDF
  13. ↑ Majima, R. 1989. Cenozoic fossil Naticidae (Mollusca: Gastropoda) in Japan. Bulletins of American Paleontology, 96 (331), 1-159.
  14. ↑ Huelsken T. et al. 2006. Neverita delessertiana (Recluz in Chenu, 1843): a naticid species (Gastropoda: Caenogastropoda) distinct from Neverita duplicata (Say, 1822) based on molecular data, morphological characters, and geographical distribution. Zootaxa, 1257:1-25.
  15. ↑ Huelsken, T., Tapken, D., Dahlmann, T., Wägele, H., Riginos, C., Hollmann, M. (2012). Systematics and phylogenetic species delimitation within Polinices s.l. (Caenogastropoda: Naticidae) based on molecular data and shell morphology. Organisms Diversity & Evolution. doi:10.1007/s13127-012-0111-5.
  16. ↑ Siemers C. T. & King N. R. (1974). "Macroinvertebrate paleoecology of a transgressive marine sandstone, Cliff House Sandstone (Upper Cretaceous), Chaco Canyon, northwestern New Mexico" PDF.

Further reading

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