Neomphaloidea

Neomphaloidea is a superfamily of deep-sea snails or limpets, marine gastropod mollusks. Neomphaloidea is the only superfamily in the order Neomphalida.

Neomphaloidea
Chrysomallon squamiferum
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Neomphaliones
Order: Neomphalida
Superfamily: Neomphaloidea
McLean, 1981[1]
Families
Diversity
48 extant species

The order Neomphalida has the largest in situ radiation in hydrothermal vent habitats. Neomphalida is a major taxonomic grouping of sea snails, vent-endemic marine gastropod mollusks that form a very ancient lineage, going back to the Palaeozoic era.

2005 taxonomy

The superfamily Neomphaloidea was regarded for a long time as belonging within the clade Vetigastropoda. Superfamily Neomphaloidea was also classified in the clade Vetigastropoda according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005.[2]

2010 taxonomy

Molecular phylogeny showed however that it belongs in its own order , the Neomphalida, and that this clade is basal to the Vetigastropoda.[3] The Neomphalina is, based on optimal phylogenetic analysis, a monophyletic clade, with uncertain relations among the gastropods.[4][5]

Description

The anatomical characters of the Neomphaloidea largely follow the patterns as in the Vetigastropoda. However, unusual morphological and phylogentic characters suggest a different systematic position and place it in its own order, the Neomphalida. The formal placement of Neomphalida within the Gastropoda however remains ambiguous.[5]

Families

Families within the Neomphaloidea include:

A few genera within Neomphaloidea have been unassigned to a family:

Overview of species

Species within the Neomphaloidea include:

  1. Leptogyra alaskana Bartsch, 1910
  2. Leptogyra constricta B. A. Marshall, 1988
  3. Leptogyra costellata Warén & Bouchet, 2009
  4. Leptogyra eritmeta Bush, 1897
  5. Leptogyra inconspicua Bush, 1897
  6. Leptogyra inflata Warén & Bouchet, 1993
  7. Leptogyra patula B. A. Marshall, 1988
  8. Leptogyra verrilli Bush, 1897
  9. Leptogyropsis inflata Hasegawa, 1997
  10. Leptogyropsis kalinovoae B. A. Marshall, 1988
  11. Leptogyropsis kaltanae B. A. Marshall, 1988
  12. Melanodrymia aurantiaca Hickman, 1984
  13. Melanodrymia brightae Warén & Bouchet, 1993
  14. Melanodrymia galeronae Warén & Bouchet, 2001
  15. Xyleptogyra kapalae B. A. Marshall, 1988
  16. Cyathermia naticoides Warén & Bouchet, 1989
  17. Lacunoides exquisitus Warén & Bouchet, 1989
  18. Lacunoides vitreus Warén & Bouchet, 2001
  19. Lamellomphalus manusensis S.-Q. Zhang & S.-P. Zhang, 2017
  20. Neomphalus fretterae McLean, 1981
  21. Planorbidella depressa Warén & Bouchet, 1993
  22. Planorbidella planispira (Warén & Bouchet, 1989)
  23. Solutigyra reticulata Warén & Bouchet, 1989
  24. Symmetromphalus hageni L. Beck, 1992
  25. Symmetromphalus regularis McLean, 1990
  26. Chrysomallon squamiferum Chen, Linse, Copley & Rogers, 2015
  27. Ctenopelta porifera Warén & Bouchet, 1993
  28. Depressigyra globulus Warén & Bouchet, 1989
  29. Echinopelta fistulosa McLean, 1989
  30. Gigantopelta aegis Chen, Linse, Roterman, Copley & Rogers, 2015
  31. Gigantopelta chessoia Chen, Linse, Roterman, Copley & Rogers, 2015
  32. Hirtopelta hirta McLean, 1989
  33. Hirtopelta tufari L. Beck, 2002
  34. Lirapex costellatus Warén & Bouchet, 2001
  35. Lirapex granularis Warén & Bouchet, 1989
  36. Lirapex humatus Warén & Bouchet, 1989
  37. Nodopelta heminoda McLean, 1989
  38. Nodopelta rigneae Warén & Bouchet, 2001
  39. Nodopelta subnoda McLean, 1989
  40. Pachydermia laevis Warén & Bouchet, 1989
  41. Pachydermia sculpta Warén & Bouchet, 1993
  42. Peltospira delicata McLean, 1989
  43. Peltospira lamellifera Warén & Bouchet, 1989
  44. Peltospira operculata McLean, 1989
  45. Peltospira smaragdina Warén & Bouchet, 2001
  46. Rhynchopelta concentrica McLean, 1989
  47. Helicrenion reticulatum Warén & Bouchet, 1993
  48. Retiskenea diploura Warén & Bouchet, 2001

See also

The other superfamily of hydrothermal vent limpets is the Lepetodriloidea.

References
  1. McLean J. H. (8 December 1981). "The Galapagos rift limpet Neomphalus: relevance to understanding the evolution of a major paleozoic-mesozoic radiation". Malacologia 21(1-2): 291-336.
  2. Bouchet, Philippe; Rocroi, Jean-Pierre; Frýda, Jiri; Hausdorf, Bernard; Ponder, Winston; Valdés, Ángel & Warén, Anders (2005). "Classification and nomenclator of gastropod families". Malacologia. Hackenheim, Germany: ConchBooks. 47 (1–2): 1–397. ISBN 3-925919-72-4. ISSN 0076-2997.
  3. Ponder W. F. & Lindberg D. R. (1997). Zool. J. Linn. Soc. 119: 83–265.
  4. McArthur A. G. & Koop B. F. (1999). Molecular Phylogenet. Evol. 13: 255–274.
  5. Stephanie W. Aktipis & Gonzalo Giribet (2010). "A phylogeny of Vetigastropoda and other “archaeogastropods”: re-organizing old gastropod clades". Invertebrate Biology 129(3): 220-240 Archived 2018-02-25 at the Wayback Machine doi:10.1111/j.1744-7410.2010.00198.x.
  6. Bouchet, P. (2016). Helicrenion Warén & Bouchet, 1993. In: MolluscaBase (2017). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=536900 on 2017-05-26
  7. Bouchet, P. (2010). Retiskenea Warén & Bouchet, 2001. In: MolluscaBase (2017). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=449910 on 2017-05-26
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