Ecology

Associations

Foodplant / open feeder
Trochidae grazes on Chromista

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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage

Barcode of Life Data Systems (BOLD) Stats
                                        
Specimen Records:1,387Public Records:889
Specimens with Sequences:1,067Public Species:131
Specimens with Barcodes:950Public BINs:181
Species:164         
Species With Barcodes:149         
          
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Barcode data

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Locations of barcode samples

Collection Sites: world map showing specimen collection locations for Trochidae

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Genomic DNA is available from 1 specimen with morphological vouchers housed at Western Australian Museum
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© Ocean Genome Legacy

Source: Ocean Genome Resource

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Genomic DNA is available from 2 specimens with morphological vouchers housed at Museum of Tropical Queensland and Queensland Museum
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Wikipedia

Trochidae

The Trochidae, common name top snails, are a taxonomic family of very small to large sea snails, marine gastropod molluscs in the clade Vetigastropoda (according to the taxonomy of the Gastropoda by Bouchet & Rocroi from 2005).

This family is commonly known as the "top snails", because in many species the shell is shaped like a toy top.

Contents

Anatomy

These snails are characterized by some primitive traits: a heart with two atria and external fertilization. They have retained only one kidney and the second osphradium has been lost in the course of evolution. They have a corneous operculum which fits the aperture snugly.

Taxonomy

2005 taxonomy

This family consists of six following subfamilies (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005):

2008 taxonomy

The family Trochidae was redefined according to Williams et al. (2008).[2] The tribes from Trochinae were raised to subfamilies,[2] Margaritinae was moved to the family Turbinidae,[2] and Halistylinae provisionally stays in Trochidae.[2]

2010 taxonomy

Williams et al. (2010)[1] added three new subfamilies to Trochidae : Alcyninae, Fossarininae and Chrysostomatinae. The subfamily Lirulariinae is now incorporated within the subfamily Umboniinae. In this study was also shown that the subfamily Margaritinae is not monophyletic. Here is also shown, which genera were placed into these three new subfamilies:[1]

Distribution

This family has a worldwide distribution in tropical, temperate and arctic waters. Members of this family are among the most common marine snails along the rocky shores of Europe.

Ecology

Habitat

Many species in the family live either in the intertidal zone or in the shallow subtidal zone, but some live in deeper water. They are usually abundant on solid substrate, like rocky shores and reefs.[3]

Life cycle

The Trochidae are dioecious, and the fertilization occurs internally.[3] Top snail eggs are laid individually or in gelatinous egg masses in the water. Individuals may hatch as free-swimming planktonic larvae or juvenile crawlers.[3]

Feeding

This family of snails feed by grazing on algae and detritus, and more rarely by filter-feeding, as observed in the genus Umbonium.[3]

Genera

Genera within the family Trochidae include:

Alcyninae
  • Alcyna - type genus of the subfamily Alcyninae, it is also the only genus in this subfamily
Cantharidinae Gray, 1857
Chrysostomatinae
Eucyclinae
Fossarininae Bandel, 2009
Halistylinae
Monodontinae
Stomatellinae
Trochinae 

Umboniinae - synonyms: Lirulariinae, tribe Bankiviini, tribe Isandini, tribe Talopiini and tribe Umboniini.

Genera brought into synonymy

Other genera within the family Trochidae include[33][34][35]:

Unassigned

Subfamily ?

References

  • Williams S.T., Donald K.M., Spencer H.G. & Nakano T. (2010) Molecular systematics of the marine gastropod families Trochidae and Calliostomatidae (Mollusca: Superfamily Trochoidea). Molecular Phylogenetics and Evolution 54:783-809
  1. ^ a b c d e Williams S. T., Donald K. M., Spencer H. G. & Nakano, T. (2010). "Molecular systematics of the marine gastropod families Trochidae and Calliostomatidae (Mollusca: Superfamily Trochoidea)". Molecular Phylogenetics and Evolution 54(3): 783-809. doi:10.1016/j.ympev.2009.11.008
  2. ^ a b c d Williams S. T., Karube S. & Ozawa T. (September 2008) "Molecular systematics of Vetigastropoda: Trochidae, Turbinidae and Trochoidea redefined". Zoologica Scripta 37(5): 483-506. doi:10.1111/j.1463-6409.2008.00341.x
  3. ^ a b c d Poutiers, J. M. (1998). Gastropods in: FAO Species Identification Guide for Fishery Purposes: The living marine resources of the Western Central Pacific Volume 1. Seaweeds, corals, bivalves and gastropods. Rome, FAO, 1998. page 399.
  4. ^ Bouchet, P. (2010). Calthalotia Iredale, 1929. Accessed through: World Register of Marine Species on 2010-10-31
  5. ^ WoRMS (2009). Cantharidella Pilsbry, 1889. Accessed through: World Register of Marine Species;2010-04-29
  6. ^ WoRMS (2010). Cantharidus Montfort, 1810. In: Bouchet, P.; Gofas, S.; Rosenberg, G. (2010) World Marine Mollusca database. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=204763 on 2010-04-29
  7. ^ WoRMS (2009). Clelandella Winkworth, 1932. In: Bouchet, P.; Gofas, S.; Rosenberg, G. (2009) World Marine Mollusca database. Accessed through the World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=138588 on 2010-04-29
  8. ^ WoRMS (2009). Gibbula Risso, 1826. In: Bouchet, P.; Gofas, S.; Rosenberg, G. (2009) World Marine Mollusca database. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=138590 on 2010-04-29
  9. ^ WoRMS (2010). Jujubinus Monterosato, 1884. In: Bouchet, P.; Gofas, S.; Rosenberg, G. (2010) World Marine Mollusca database. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=138591 on 2010-04-29
  10. ^ WoRMS (2009). Osilinus Philippi, 1847. In: Bouchet, P.; Gofas, S.; Rosenberg, G. World Marine Mollusca database. Accessed through the World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=138594 on 2010-04-29
  11. ^ WoRMS (2009). Oxystele Philippi, 1847. Accessed through the World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=204998 on 2010-04-29
  12. ^ Gofas, S. (2009). Phorcus. In: Bouchet, P.; Gofas, S.; Rosenberg, G. World Marine Mollusca database. Accessed through the World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=138595 on 2010-04-30
  13. ^ WoRMS (2010). Pseudotalopia Habe, 1961. In: Bouchet, P.; Gofas, S.; Rosenberg, G. (2010) World Marine Mollusca database. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=456499 on 2010-04-30
  14. ^ WoRMS (2009). Thalotia Gray, 1840. Accessed through the World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=225463 on 2010-04-30
  15. ^ WoRMS (2010). Synaptocochlea Pilsbry, 1890. In: Bouchet, P.; Gofas, S.; Rosenberg, G. (2010) World Marine Mollusca database. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=225460 on 2010-04-30
  16. ^ WoRMS (2009). Diloma. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=391149 on 2010-04-29
  17. ^ WoRMS (2009). Pseudostomatella Thiele, 1921. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=205955 on 2010-04-30
  18. ^ WoRMS (2009). Stomatella Lamarck, 1816. In: Bouchet, P.; Gofas, S.; Rosenberg, G. (2009) World Marine Mollusca database. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=180896 on 2010-04-30
  19. ^ WoRMS (2009). Stomatia. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=206609 on 2010-04-30
  20. ^ WoRMS (2010). Stomatolina. In: Bouchet, P.; Gofas, S.; Rosenberg, G. (2010) World Marine Mollusca database. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=203940 on 2010-04-30
  21. ^ WoRMS (2009). Clanculus Montfort, 1810. In: Bouchet, P.; Gofas, S.; Rosenberg, G. World Marine Mollusca database. Accessed through the World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=138587 on 2010-04-22
  22. ^ WoRMS (2009). Ethalia H. & A. Adams, 1854. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=391536 on 2010-04-29
  23. ^ WoRMS (2009). Ethaliella Pilsbry, 1905. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=413461 on 2010-04-29
  24. ^ WoRMS (2010). Ethminolia Iredale, 1924. In: Bouchet, P.; Gofas, S.; Rosenberg, G. (2010) World Marine Mollusca database. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=298153 on 2010-04-29
  25. ^ WoRMS (2009). Isanda H. Adams & A. Adams, 1854. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=205323 on 2010-04-29
  26. ^ WoRMS (2009). Lirularia Dall, 1909. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=413459 on 2010-04-29
  27. ^ WoRMS (2010). Monilea Swainson, 1840. In: Bouchet, P.; Gofas, S.; Rosenberg, G. (2010) World Marine Mollusca database. Accessed through: World Register of Marine Species at http://www.marinespecies.eu/aphia.php?p=taxdetails&id=206049 on 2010-04-29
  28. ^ WoRMS (2009). Pseudominolia Herbe, 1992. In: Bouchet, P.; Gofas, S.; Rosenberg, G. World Marine Mollusca database. Accessed through the World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=180893 on 2010-04-30
  29. ^ WoRMS (2009). Rossiteria. Accessed through the World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=391537 on 2010-04-29
  30. ^ WoRMS (2009). Umbonium Link, 1807. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=205005 on 2010-04-29
  31. ^ WoRMS (2009). Vanitrochus. Accessed through the World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=391538 on 2010-04-29
  32. ^ WoRMS (2009). Gena Gray, 1840. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=204526 on 2010-04-30
  33. ^ Checklist of Mollusca
  34. ^ "Trochidae". Integrated Taxonomic Information System. http://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=69794.
  35. ^ Powell A. W. B., New Zealand Mollusca, William Collins Publishers Ltd, Auckland, New Zealand 1979 ISBN 0-00-216906-1
  36. ^ WoRMS (2009). Callumbonella Thiele, 1924. In: Bouchet, P.; Gofas, S.; Rosenberg, G. World Marine Mollusca database. Accessed through the World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=138586 on 2010-04-29
  37. ^ WoRMS (2010). Micrelenchus Finlay, 1926. In: Bouchet, P.; Gofas, S.; Rosenberg, G. (2010) World Marine Mollusca database. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=456465 on 2010-04-29
  38. ^ WoRMS (2010). Thoristella Iredale, 1915. In: Bouchet, P.; Gofas, S.; Rosenberg, G. (2010) World Marine Mollusca database. Accessed through: World Register of Marine Species at http://www.marinespecies.eu/aphia.php?p=taxdetails&id=456529 on 2010-04-30
  39. ^ WoRMS (2009). Turcicula Dall, 1881. In: Bouchet, P.; Gofas, S.; Rosenberg, G. World Marine Mollusca database. Accessed through the World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=138599 on 2010-04-30
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