The problematic fossil Jinonicella from the Lower Silurian of Gotland

JS Peel, Lennart Jeppsson

Research output: Contribution to journalArticlepeer-review

4 Citations (SciVal)


The minute problematic fossil Jinonicella kolebabai Pokorny 1978 is described from the Lower Silurian (Wenlock, middle Sheinwoodian) of the Nar-I core from southern Gotland. Growth lines indicate that the characteristic tubular snorkel of Jinonicella grew by envelopment of an emargination in the median dorsal aperture and not as a perforation through the dorsal surface of the shell. The direction of shell coiling indicates that Jinonicella kolebabai can not be closely related to scaphopods (?Devonian, Carboniferous-Recent). If it is a mollusc, it may represent an independent adaptation to the infaunal scaphopod mode of life.
Original languageEnglish
Pages (from-to)39-42
Publication statusPublished - 2006

Subject classification (UKÄ)

  • Geology


  • mollusc
  • pseudo-scaphopod
  • Silurian
  • Gotland


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