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Redescription of Spirodentalium Walcott (Gastropoda: Late Cambrian) from Wisconsin

  • Ellis L. Yochelson (a1)
Abstract

Spirodentalium Walcott, 1890, was originally described as a scaphopod. A reinterpretation of the type lot suggests that its overall shape is that of an open-coiled gastropod. If so, this is probably the earliest known open-coiled form and it is sinistral in coiling direction.

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C. D. Walcott 1890. Description of new forms of Upper Cambrian fossils. Proceedings of the United States National Museum, 13:267279. [The entire volume is dated 1891.]

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Journal of Paleontology
  • ISSN: 0022-3360
  • EISSN: 1937-2337
  • URL: /core/journals/journal-of-paleontology
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