Helmetia

Helmetia
Temporal range: Cambrian
Scientific classification
Kingdom:Animalia
Phylum:Arthropoda
Stem group:Chelicerata
Order:†Helmetiida
Family:†Helmetiidae
Genus:†Helmetia
Species: †H. expansa
Binomial name
Helmetia expansa
Walcott, 1918

Helmetia is an extinct genus of arthropod from the Cambrian. Its fossils have been found in the Burgess Shale and the Czech Republic.[1]

It is interpreted as a nektonic suspension feeder.[2]

References

  1. ↑ Kordule Chlupáč (2002). "Arthropods of Burgess Shale type from the Middle Cambrian of Bohemia (Czech Republic)". Bulletin of the Czech Geological Survey. 77: 167–182.
  2. ↑ CARON, J.-B. and JACKSON, D. A. 2008. Paleoecology of the Greater Phyllopod Bed community, Burgess Shale. Palaeogeography, Palaeoclimatology, Palaeoecology, 258, 222–256.

Further reading

  • Stephen Jay Gould (1989). Wonderful Life: The Burgess Shale and the Nature of History. W. W. Norton & Company.
  • Xian-Guang Hou, Richard J. Aldridge, Jan Bergström, David J. Siveter, Derek J. Siveter & Feng Xiang-Hong (2004). The Cambrian Fossils of Chengjiang, China: The Flowering of Early Animal Life. John Wiley & Sons. ISBN 978-1-4051-0673-3.
  • "Helmetia expansa". Burgess Shale Fossil Gallery. Virtual Museum of Canada. 2011.
  • Helmetia in the Paleobiology Database


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