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Species / Dimorphosoma Vectiana

Stromboidea


Original Description of Dimorphosoma vectiana by Gardner, 1875, p. :

  • "Sehll elongated; whorls 6 or 7, angulated; upper keel replaced by rather produced, elongated tubercles, except on the last whorl; sutural keel smooth and distinct; last whorl with two salient keels, rather close together, the posterior being the more prominent; spiral striae none, except on the dorsal side of the anterior canal; the wing is simple and curved upward, elongate, and narrow; anterior canal moderately long."

Locus typicus: Shanklin, Sandown Bay, Isle of Wight, Isle of Wight County, South East Region, England

Stratum typicum: Folkestone beds of the Lower Greensand, Aptian, lower Cretaceous

Types: Syntypes Sedgwick Museum of Earth Sciences, University of Cambridge B 15132 - B15134, http://www.3d-fossils.ac.uk/fossilType.cfm?typSampleId=20002762 , http://www.3d-fossils.ac.uk/fossilType.cfm?typSampleId=20002763 , http://www.3d-fossils.ac.uk/fossilType.cfm?typSampleId=20002764

Dimorphosoma vectiana Gardner, 1875, pl. XII, fig. 5, 6, 7

  • Gardner, 1875: "Fig. 7 is from a cast only, the shell having broken away; the canal and wing process are, however, well preserved."

History and Synonymy

1961

Casey, 1961 reports Dimorphosoma vectianum from the Upper Aptian, Cheloniceras martinioides Zone, Cheloniceras (Epicheloniceras) gracile, Upper Gryphaea Beds (Group X)


References

  • R. Casey, 1961. The stratigraphical palaeontology of the Lower Greensand; Palaeontology, vol. 3(4), p. 487-621, Fulltext
  • Gardner, 1875

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