Data about Protozoa

TraitBank assembles data records from many providers. Select a row for more details about the record, or search TraitBank.

Evolution and Systematics

 
first appearance (older bound)
Additional detail
301.2 million years ago
The Paleobiology Database  
 
first appearance (younger bound)
Additional detail
300.2 million years ago
The Paleobiology Database  
 
last appearance (older bound)
Additional detail
33.9 million years ago
The Paleobiology Database  
 
last appearance (younger bound)
Additional detail
28.1 million years ago
The Paleobiology Database  

Conservation

 
extinction status
Additional detail
extant
The Paleobiology Database  

Notes

 
percent species currently described
Additional detail
25
Appeltans et al, 2012  
 
number of new species decribed 1999-2008
Additional detail
23
Appeltans et al, 2012  
 
known marine species
Additional detail
542
Appeltans et al, 2012  
 
total species (expert opinion)
Additional detail
2,207
Appeltans et al, 2012  
 
total unknown species (statistical model) min
Additional detail
150
Appeltans et al, 2012  
Additional detail
400
Appeltans et al, 2012  

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