Template:Perkins, 2009

• Perkins, P.D. 2009. Revisions of the genera Parhydraena Orchymont, Protozantaena Perkins, Decarthrocerus Orchymont, and Parhydraenopsis nomen novum, aquatic and humicolous beetles from Africa and Madagascar, and comparative morphology of the tribe Parhydraenini (Coleoptera: Hydraenidae). Zootaxa 2038: 001–119. Abstract & excerpt. .  
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