Data about Polyhymenophora

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Evolution and Systematics

Data about Polyhymenophora
first appearance (older bound)
Additional detail 145.0 million years ago The Paleobiology Database  
first appearance (younger bound)
Additional detail 140.2 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 Polyhymenophora
extinction status
Additional detail extant The Paleobiology Database  

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