Gemmula

Gemmula
Temporal range: Paleocene - Recent
shells of Gemmula gemmulina
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
(unranked): clade Caenogastropoda
clade Hypsogastropoda
clade Neogastropoda
Superfamily: Conoidea
Family: Turridae
Subfamily: Turrinae
Genus: Gemmula
Weinkauff, 1875[1]
Synonyms[2]

Eugemmula Iredale, 1931

Gemmula, common name the gem turrids, is a genus of sea snails, marine gastropod mollusks in the family Turridae, the turrids.[2]

These snails have been recorded as fossils from the Paleocene to the Quaternary (from 66.043 to 0.012 Ma). Fossils have been found all over the world. [3]

Fossil shell of Gemmula rotata from Pliocene

They are venomous with disulfide-rich polypeptides in their venom ducts.[4] These bioactive peptides are likely to become a resource for novel pharmacologically active compounds [5]

Habitat and feeding habits

The snails in this genus occur mostly in deeper tropical waters at depths between 50 and 500m. Because of these deep habitats, little is known about their feeding habits.

Taxonomy

The Gemmula clade is more closely related to the clades Xenuroturris, Turris and Lophiotoma than to the other clades in the subfamily Turrinae.

Description

As expected from venomous species, these species have a toxoglosson radula (formula 1 + 0 +1 + 0 + 1) with a central tooth that characterizes this genus.[6]

Species

The genus Gemmula is the largest genus in the subfamily Turrinae. Species within the genus Gemmula include:

References

  1. ↑ Weinkauff (1875). Jahrb. dtsch. malak. Ges. 2: 285.
  2. 1 2 Gemmula Weinkauff, 1875.  Retrieved through: World Register of Marine Species on 3 October 2010.
  3. ↑ Paleobiology Database
  4. ↑ Heralde III, Francisco M.; Julita Imperial; Pradip K. Bandyopadhyay; Baldomero M. Olivera; Gisela P. Concepcion; Ameurfina D. Santo (April 2008). "A rapidly diverging superfamily of peptide toxins in venomous Gemmula species". Toxicon. 51 (5): 890–897. doi:10.1016/j.toxicon.2007.12.022. PMC 2582027Freely accessible. PMID 18272193. Retrieved 2010-08-23.
  5. ↑ Baldomero M. Olivera, David R. Hillyard and Maren Watkins, A new species of Gemmula, Weinkauff 1875; Evidence of two clades of Philippine species in the genus Gemmula, Philippine Science letters, vol. 1 (1)
  6. ↑ Francisco M. Heralde III et al., The Indo-Pacific Gemmula species in the subfamily Turrinae: Aspects of field distribution, molecular phylogeny, radular anatomy and feeding ecology, Philippine Science Letters, vol. 3 (1), 2010
  7. ↑ Gemmula aethiopica (Thiele, 1925).  Retrieved through: World Register of Marine Species on 14 April 2010.
  8. ↑ Gemmula alwyni Kilburn, 2005.  Retrieved through: World Register of Marine Species on 14 April 2010.
  9. ↑ Gemmula amabilis .  Retrieved through: World Register of Marine Species on 14 April 2010.
  10. ↑ Gemmula ambara Olivera et al., 2008.  Retrieved through: World Register of Marine Species on 14 April 2010.
  11. ↑ Gemmula bisinuata (Martens, 1901).  Retrieved through: World Register of Marine Species on 14 April 2010.
  12. ↑ Gemmula championi Kilburn, 1983.  Retrieved through: World Register of Marine Species on 14 April 2010.
  13. ↑ Gemmula closterion Sysoev, 1997.  Retrieved through: World Register of Marine Species on 14 April 2010.
  14. ↑ Gemmula concinna (Dunker, 1871).  Retrieved through: World Register of Marine Species on 14 April 2010.
  15. ↑ Gemmula congener (Smith E. A., 1894).  Retrieved through: World Register of Marine Species on 14 April 2010.
  16. ↑ Gemmula cosmoi (Sykes, 1930).  Retrieved through: World Register of Marine Species on 14 April 2010.
  17. ↑ Gemmula damperierana Powell, 1964.  Retrieved through: World Register of Marine Species on 14 April 2010.
  18. ↑ Gemmula diomedea Powell, 1964.  Retrieved through: World Register of Marine Species on 14 April 2010.
  19. ↑ Gemmula ducalis (Thiele, 1925).  Retrieved through: World Register of Marine Species on 14 April 2010.
  20. ↑ Gemmula fenestrata Kosuge, 1990.  Retrieved through: World Register of Marine Species on 14 April 2010.
  21. ↑ Gemmula flata Baoquan Li & Xinzheng Li, 2008.  Retrieved through: World Register of Marine Species on 14 April 2010.
  22. ↑ Gemmula gemmulina (Martens, 1902).  Retrieved through: World Register of Marine Species on 14 April 2010.
  23. ↑ Gemmula gilchristi (Sowerby III, 1902).  Retrieved through: World Register of Marine Species on 14 April 2010.
  24. ↑ Gemmula graeffei (Weinkauff, 1875).  Retrieved through: World Register of Marine Species on 14 April 2010.
  25. ↑ Gemmula grandigyrata Baoquan Li & Xinzheng Li, 2008.  Retrieved through: World Register of Marine Species on 14 April 2010.
  26. ↑ Gemmula granosus (Helbling, 1779).  Retrieved through: World Register of Marine Species on 14 April 2010.
  27. ↑ Gemmula hastula (Reeve, 1843).  Retrieved through: World Register of Marine Species on 14 April 2010.
  28. ↑ Gemmula hawleyi (Iredale, 1931).  Retrieved through: World Register of Marine Species on 14 April 2010.
  29. ↑ Gemmula hindsiana Berry, 1958.  Retrieved through: World Register of Marine Species on 14 April 2010.
  30. ↑ Gemmula husamaru (Nomura, 1940).  Retrieved through: World Register of Marine Species on 14 April 2010.
  31. ↑ Gemmula interpolata Powell, 1967.  Retrieved through: World Register of Marine Species on 14 April 2010.
  32. ↑ Gemmula kieneri (Doumet, 1840).  Retrieved through: World Register of Marine Species on 14 April 2010.
  33. ↑ Gemmula lisajoni Olivera, 1999.  Retrieved through: World Register of Marine Species on 14 April 2010.
  34. ↑ Gemmula lordhoweensis Kantor & Sysoev, 1991.  Retrieved through: World Register of Marine Species on 14 April 2010.
  35. ↑ Gemmula lululimi Olivera, 1999.  Retrieved through: World Register of Marine Species on 14 April 2010.
  36. ↑ Gemmula luzonica (Powell, 1964).  Retrieved through: World Register of Marine Species on 14 April 2010.
  37. ↑ Gemmula microscelida (Dall, 1895).  Retrieved through: World Register of Marine Species on 14 April 2010.
  38. ↑ Gemmula monilifera (Pease, 1860).  Retrieved through: World Register of Marine Species on 14 April 2010.
  39. ↑ Gemmula murrayi Powell, 1964.  Retrieved through: World Register of Marine Species on 14 April 2010.
  40. ↑ Gemmula mystica Simone, 2005.  Retrieved through: World Register of Marine Species on 14 April 2010.
  41. ↑ Gemmula periscelida (Dall, 1889).  Retrieved through: World Register of Marine Species on 14 April 2010.
  42. ↑ Gemmula praesignis (Smith E. A., 1895).  Retrieved through: World Register of Marine Species on 14 April 2010.
  43. ↑ Gemmula pseudogranosa (Nomura, 1940).  Retrieved through: World Register of Marine Species on 14 April 2010.
  44. ↑ Gemmula pseudomonilifera Powell, 1967.  Retrieved through: World Register of Marine Species on 14 April 2010.
  45. ↑ Gemmula rarimaculata Kuroda, Habe & Oyama, 1971.  Retrieved through: World Register of Marine Species on 14 April 2010.
  46. ↑ Gemmula rosario Shikama, 1977.  Retrieved through: World Register of Marine Species on 14 April 2010.
  47. ↑ Gemmula rotatilis (Martens, 1902).  Retrieved through: World Register of Marine Species on 14 April 2010.
  48. ↑ Gemmula sibogae (Schepman, 1913).  Retrieved through: World Register of Marine Species on 14 April 2010.
  49. ↑ Gemmula sibukoensis Powell, 1964.  Retrieved through: World Register of Marine Species on 14 April 2010.
  50. ↑ Gemmula sikatunai Olivera, 2004.  Retrieved through: World Register of Marine Species on 14 April 2010.
  51. ↑ Gemmula sogodensis Olivera, 2004.  Retrieved through: World Register of Marine Species on 14 April 2010.
  52. ↑ Gemmula speciosa (Reeve, 1842).  Retrieved through: World Register of Marine Species on 14 April 2010.
  53. ↑ Gemmula stupa Lee, 2001.  Retrieved through: World Register of Marine Species on 14 April 2010.
  54. ↑ Gemmula subfenestrata Kosuge, 1990.  Retrieved through: World Register of Marine Species on 14 April 2010.
  55. ↑ Gemmula teschi (Powell, 1964).  Retrieved through: World Register of Marine Species on 14 April 2010.
  56. ↑ Gemmula tessellata Powell, 1967.  Retrieved through: World Register of Marine Species on 14 April 2010.
  57. ↑ Gemmula thielei Finlay H. J., 1930.  Retrieved through: World Register of Marine Species on 14 April 2010.
  58. ↑ Gemmula truncata (Schepman, 1913).  Retrieved through: World Register of Marine Species on 14 April 2010.
  59. ↑ Gemmula unedo (Kiener, 1840).  Retrieved through: World Register of Marine Species on 14 April 2010.
  60. ↑ Gemmula vagata (Smith E. A., 1895).  Retrieved through: World Register of Marine Species on 14 April 2010.
  61. ↑ Gemmula webberae Kilburn, 1975.  Retrieved through: World Register of Marine Species on 14 April 2010.
  62. ↑ Gemmula westaustralis Kosuge, 1990.  Retrieved through: World Register of Marine Species on 14 April 2010.
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