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species numbers Tag

[caption id="attachment_106" align="alignleft" width="281" caption="Cryptic Species: Illustration of genetically, geographically, ecologically and reproductively isolated 'groups' currently classified as the single bryozoan species Celleporella hyalina. From Gomez et al 2007"][/caption] Rod Page at iPhylo draws attention to a new paper in Systematic Biology (Costello et al 2011)...

Christopher Taylor at the excellent Catalogue of Organisms has a thought provoking post on the taxonomic diversity of described species. He has a picture of animal groups, plants and fungi scaled by number of described species. I like these sorts of pictures; they are great...