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Cheryl B. Barr. 2018.
Amazonopsis, an unusual new genus of riffle beetle from South America with two new species (Coleoptera, Elmidae, Elminae).
ZooKeys, 2018, 803: 71-92.
doi: 10.3897/zookeys.803.28124
http://zoobank.org/84D021F9-A032-4D5D-BD5C-B5B7011BDB73