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Species / Dimorphosoma Ancylochila

Dimorphosoma Ancylochila

Stromboidea


Original Description of Dimorphosoma ancylochila by Gardner, 1875, p. 397:

  • "Shell elongated; whorls 6 or 7, very angulated, their median keel tuberculated, sutural keel plain, intervals smooth, without spiral striae. The last whorl possesses two angular keels; the posterior considerably predominating, and the anterior being the sutural keel of the spire; the greater keel is continued into the wing. The wing is narrow, simple, thick and angular like a roof-ridge; for some distance it is at right angles to the axis of the spire, and then curves gradually upwards, slightly expanding at the point of curvature."

Locus typicus: "Found in the Crackers rocks at Atherfield", Isle of Wight, Great Britain

Stratum typicum: Cracker rocks, Neocomian, Cretaceous

Types: Jermyn Street Museum

Dimorphosoma ancylochila Gardner, 1875, pl. XII, fig. 2, 2a


History and Synonymy

1961

Casey, 1961 reports Dimorphosoma ancylochila from the Deshaysites forbesi zone of the lower Aptian


References

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