Data about Protozoa

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Evolution and Systematics

Data about Protozoa
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

Data about Protozoa
extinction status
Additional detail extant The Paleobiology Database  

Notes

Data about Protozoa
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  
max Additional detail 400 Appeltans et al, 2012  

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