Articulated Halkieriids from the Lower Cambrian of North Greenland and their Role in Early Protostome Evolution

@article{Morris1995ArticulatedHF,
  title={Articulated Halkieriids from the Lower Cambrian of North Greenland and their Role in Early Protostome Evolution},
  author={Scott H. Morris and J. S. Peel},
  journal={Philosophical Transactions of the Royal Society B},
  year={1995},
  volume={347},
  pages={305-358}
}
Articulated halkieriids of Halkieria evangelista sp. nov. are described from the Sirius Passet fauna in the Lower Cambrian Buen Formation of Peary Land, North Greenland. Three zones of sclerites are recognizable: obliquely inclined rows of dorsal palmates, quincuncially inserted lateral cultrates and imbricated bundles of ventro-lateral siculates. In addition there is a prominent shell at both ends, each with radial ornamentation. Both sclerites and shells were probably calcareous, but increase… Expand
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