Vasum

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Vasum
A live but retracted individual of Vasum rhinoceras in a tide pool in Mombasa, Kenya, Africa
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Caenogastropoda
Order: Neogastropoda
Superfamily: Turbinelloidea
Family: Turbinellidae
Subfamily: Vasinae
Genus: Vasum
Röding, 1798
Type species
Murex ceramicus
Synonyms[1]
  • Cynodonta Schumacher, 1817
  • Globivasum Abbott, 1950
  • Scolymus Swainson, 1835
  • Vasum (Siphovasum) Rehder & Abbott, 1951 alternate representation
  • Vasum (Vasum) Röding, 1798 ·
  • Volutella Perry, 1810

Vasum, common name the vase snails or vase shells, is a genus of mostly rather large predatory sea snails, marine gastropod mollusks in the subfamily Vasinae within the family Turbinellidae.[1]

Shell description[edit]

Shells of species in this genus are usually somewhat large, and are usually very thick and heavy. They are often vase-shaped, in the sense that the shell of most of the species is more or less widely conical. The shells have a thick periostracum, a low spires, and 2, 3 or 4 plaits on the columella.

The shell is oval, oblong, solid, tubercular or spinose, with spinose fascicles below. The spire is short. The apex is not papillary. The aperture is oblong. The siphonal canal is short and somewhat recurved. The columella contains several transverse folds in the middle. The outer lip is thickened and sinuous.

The animal (of Vasum) is slow-moving, timid and inactive, shrinking quickly within the shell on the slightest alarm. The operculum is ovate, acute, with an apical nucleus; it is very thick, claw-like, and partially free at the hind part. The dentition resembles somewhat that of the Buccinidae, differing in the lateral teeth; it differs widely from the Nassidae, and quite as much from that of the Fasciolariidae [2]

Distribution[edit]

Species of this genus are circumtropical; also off Australia (Northern Territory, Queensland, Western Australia)

Species[edit]

Species within the genus Vasum include:

Species brought into synonymy
  • Vasum aldridgei Nowell-Usticke, 1969: synonym of Attiliosa aldridgei (Nowell-Usticke, 1969)
  • Vasum antiguaensis Usticke, 1971: synonym of Vasum globulus (Lamarck, 1816)
  • † Vasum basilicum Bellardi 1872: synonym of † Melongena basilica (Bellardi, 1873)
  • Vasum cassidiformis Kiener, 1845: synonym of Vasum cassiforme (Kiener, 1840)
  • Vasum castaneum Röding, 1798: synonym of Thais (Thalessa) tuberosa (Röding, 1798)
  • † Vasum excrenatum Sacco, 1904: synonym of † Vasum cancellatum (Grateloup, 1845)
  • Vasum flindersi Verco, 1914: synonym of Altivasum flindersi (Verco, 1914)
  • † Vasum quirosense F. Hodson, 1931: synonym of † Vasum haitensis Sowerby, 1850
  • Vasum nigra G. Perry, 1811: synonym of Vasum turbinellus (Linnaeus, 1758)
  • Vasum nigricans G. Perry, 1811: synonym of Vasum turbinellus (Linnaeus, 1758)
  • Vasum rubescens G. Perry, 1811: synonym of Vasum capitellum (C. Linnaeus, 1758)
  • Vasum spinosus G. Fischer von Waldheim, 1807 : synonym of Vasum ceramicum (C. Linnaeus, 1758)
  • † Vasum stephanense Peyrot, 1928 : synonym of † Vasum cancellatum (Grateloup, 1845) †
  • Vasum triangulare (E. A. Smith, 1902): synonym of Vasum truncatum triangulare (E. A. Smith, 1902)
  • Vasum turbinellum [sic]: synonym of Vasum turbinellus (Linnaeus, 1758)
  • Vasum urna Röding, 1798: synonym of Vasum muricatum (Born, 1778)
  • Vasum variolaris J.B.P.A. Lamarck, 1822: synonym of Vasum turbinellus (Linnaeus, 1758)


References[edit]

  1. ^ a b Bouchet, P. (2011). Vasum Röding, 1798. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=205505 on 15 April 2012
  2. ^ Tryon (1882), Manual of Conchology IV
  • W. Wenz. 1938. Handbuch der Paläozoologie; Gastropoda. Handbuch der Paläozoologie
  • J. R. Gardner. 1947. The Molluscan Fauna of the Alum Bluff Group of Florida. United States Geological Survey Professional Paper (142A-H)1-709
  • Rehder H.A. & Abbott R.T. (1951). Some new and interesting mollusks from the deeper waters of the Gulf of Mexico. Revista de la Sociedad Malacologica "Carlos de la Torre". 8(2): 53-66, pls 8-9.
  • B. Wilson. 1994. Australian Marine Shells 2
  • E. J. Petuch. 1997. A new gastropod fauna from an Oligocene back-reef lagoonal environment in west central Florida. The Nautilus 110(4):122-138
  • J. A. Todd. 2001. Systematic list of gastropods in the Panama Paleontology Project collections.
  • J. J. Sepkoski. 2002. A compendium of fossil marine animal genera. Bulletins of American Paleontology 363:1-560
  • M. Harzhauser. 2007. Oligocene and Aquitanian gastropod faunas from the Sultanate of Oman and their biogeographic implications for the western Indo-Pacific. Palaeontographica Abteilung A 280:75-121
  • B. Landau and C. Marques da Silva. 2010. Early Pliocene gastropods of Cubagua, Venezuela: Taxonomy, palaeobiogeography and ecostratigraphy. Palaeontos 19:1-221

External links[edit]

Wikimedia Commons has media related to Vasum.
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