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Encyclopedia > Chitinozoa

Chitinozoa (English singular: chitinozoan, plural: chitinozoans) are a group of flask-shaped marine microfossils (50-2000 micrometres) which appear dark or almost opaque when viewed using a light microscope. They are used as stratigraphic markers in biostratigraphy from uppermost Cambrian through Ordovician and Silurian to Devonian.


Alfred Eisenack was the first to give a detailed description of chitinozoa in 1931.




External links

  • CIMP Chitinozoan Subcommission (http://www.shef.ac.uk/~cidmdp/cimpsubc.html)
  • Commission Internationale de Microflore du Paléozoique (CIMP) (http://www.shef.ac.uk/~cidmdp/), international commission for Palaeozoic palynology.
  • Centre for Palynology, University of Sheffield, UK (http://www.shef.ac.uk/uni/academic/N-Q/palysc/index.html)
  • The Micropalaeontological Society (http://www.nhm.ac.uk/hosted_sites/tms/)
  • The American Association of Stratigraphic Palynologists (AASP) (http://www.palynology.org/)





  Results from FactBites:
 
Acritarchs and Chitinozoa (1873 words)
Chitinozoa are flask-shaped sacs or vesicles, their surface may be smooth, striated, granular, spongy, spiny or ornamented with branching appendages.
The chain-forming attribute of many chitinozoa is an important clue, the generally accepted theory is that the chitinozoa are the eggs of a metazoan, as long coiled chains of eggs are known in some groups for instance polychaete worms and molluscs.
Chitinozoa are large enough to be captured in twenty micron gauzes and are often prepared for separately.
  More results at FactBites »


 

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