Megasurcula carpenteriana

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Megasurcula carpenteriana
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Caenogastropoda
Order: Neogastropoda
Superfamily: Conoidea
Family: Pseudomelatomidae
Genus: Megasurcula
Species:
M. carpenteriana
Binomial name
Megasurcula carpenteriana
(W.M. Gabb, 1865)[1]
Synonyms[2]
  • Bathytoma tremperiana (Dall, 1911)
  • Conus carpenterianus (Gabb, 1865)
  • Conus tremperianus (Dall, 1911)
  • Cryptoconus carpenterianus Gabb, 1865
  • Cryptoconus tremperianus (Dall, 1911)
  • Megasurcula granti Bartsch, 1944
  • Pleurotoma (Surcula) carpenteriana Gabb, 1865 (original combination)

Megasurcula carpenteriana (Gabb, 1865), also known as Carpenter's turrid,[3] is a species of medium-sized predatory sea snail, a marine gastropod mollusc in the family Pseudomelatomidae, a family previously lumped with others collectively known as turrids.[4] This species occurs in the Eastern Pacific Ocean. The species was named in honor of Philip Pearsall Carpenter.[5][2]

Subspecies

Subspecies within this species include:

  • Megasurcula carpenteriana fernandoana[6]

Description

The shell is small, in the adult stage averaging about 62 mm. in length, against 90 to 110 mm. for the fully adult carpenteriana. It is proportionately much heavier, the anal fasciole is more strongly constricted, and the appressed margin of the whorl does not approach as closely to the periphery of the preceding whorl as in that species. The periphery is often marked by a minutely beaded or undulate thread, and is more nearly midway between the sutures on the spire than in carpenteriana. The aperture is shorter than the spire in nearly every case, while the reverse is true of carpenteriana. (description of Bathytoma tremperiana compared with Bathytoma carpentaria)[7]

Distribution

This marine species occurs from California, USA to Central Baja California, Mexico

References

  1. ^ "BioLib: Biological library".
  2. ^ a b MolluscaBase (2018). Megasurcula carpenteriana (Gabb, 1865). Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=579016 on 2018-12-05
  3. ^ "Live from Western America (Page Three)".
  4. ^ Bouchet P. & Rocroi J.-P. (Ed.); Frýda J., Hausdorf B., Ponder W., Valdes A. & Warén A. 2005. Classification and nomenclator of gastropod families. Malacologia: International Journal of Malacology, 47(1–2). ConchBooks: Hackenheim, Germany. ISBN 3-925919-72-4. ISSN 0076-2997. 397 pp. http://www.vliz.be/Vmdcdata/imis2/ref.php?refid=78278
  5. ^ Gabb, W.M. 1865. Description of new species of marine shells from the coast of California. Proceedings of the California Academy of Sciences 3(3):182–190.
  6. ^ http://arctos.database.museum/name/Megasurcula%20carpenteriana
  7. ^ W.H. Dall, Notes on California shells; The Nautilus vol. XXIV February 1911 # 10
Megasurcula carpenteriana, holotype of the synonym Megasurcula granti at the Smithsonian Institution
  • Filmer R.M. (2001). A Catalogue of Nomenclature and Taxonomy in the Living Conidae 1758 – 1998. Backhuys Publishers, Leiden. 388pp.

External links

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