1. 
   Biozone
   Biostratigraphic units or biozones are intervals of geological strata that are defined on the basis of their characteristic fossil taxa. A biostratigraphic unit may be defined on the basis of a single taxon or combinations of taxa, on relative abundances of taxa, or variations in features related t...
   Found op http://en.wikipedia.org/wiki/Biozone
   
   
2. 
   biozone
   stratigraphic unit consisting of all the strata containing a particular fossil and, hence, deposited during its existence. The extent of the unit in ... [14 related articles]
   Found op http://www.britannica.com/eb/a-z/b/67
   
   
3. 
   biozone
   biozone 1. In terms of time, the period of existence of a species. 2. In lithic terms, an abstract zone that includes all strata deposited during the period of time that a given taxon lived. 3. The range of a single taxonomic entity in geologic time as reflected by its occurrence in fossiliferous ...
   Found op http://www.wordinfo.info/words/index/info/view_unit/2819/31
   
   

Tip: double click on a word to show its meaning.