Chitinozoa
From Wikipedia, the free encyclopedia
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 Ordovician,Silurian to Devonian. They have no neck (Family Desmochitinidae) , a badly defined neck/flexure (Family Conochitinidae) or a well defined neck/flexure (Family Lagenochitinidae). The chamber is closed by an operculum (Order Operculatifera) or a prosome (Order Prosomatifera).
Alfred Eisenack was the first to give a detailed description of chitinozoa in 1931.
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[edit] External links
- CIMP Chitinozoan Subcommission
- Commission Internationale de Microflore du Paléozoique (CIMP), international commission for Palaeozoic palynology.
- Centre for Palynology, University of Sheffield, UK
- The Micropalaeontological Society
- The American Association of Stratigraphic Palynologists (AASP)eu:Kitinozoo
