Comb-footed Pelagic Copepod (Tropodiaptomus ctenopus)  

This species was described in 1930 from the region of Antananarivo, Madagascar.  

The Comb-footed Pelagic Copepod, whose biology is completely unknown, was never found again and is believed to be extinct.  

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Another species, the Malagasy Pelagic Copepod (Tropodiaptomus madagascariensis (Rylov)), is a planktonic species that appears to be endemic to some of the lakes at the Central Highlands region.  

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edited: 07.11.2017