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A new species of Tannuella (Helcionellida, Mollusca) from the Early Cambrian of South Australia

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Abstract

A new species ofthe orthoconic, apically septate, centimetre-sized helcionellid genus 'Tannuella, T. elinorae', is described from silicified horizons in the upper part of the Lower Cambrian (Botoman) Memmema Formation in the central Flinders Ranges, South Australia. A Review of all described species referred to the genus 'Tannuella' indicates that only the type species 'T. elata', from the Atdabanian of Siberia, and 'T. elinorae' n. sp. from the Botoman Memmerna Formation can be confidently assigned to the genus.
Original languageEnglish
Pages (from-to)133-143
JournalMemoirs of the Association of Australasian Palaeontologists
Volume30
Publication statusPublished - 2004

Keywords

  • Stratigraphy (incl Biostratigraphy and Sequence Stratigraphy)
  • Animal Systematics and Taxonomy
  • Palaeontology (incl Palynology)

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