Habitus of Chasmogenus spp. A–C C. flavomarginatus: A dorsal view B lateral view C ventral view. D–F C. bariorum: D dorsal view E lateral view F ventral view. G–I C. castaneus G dorsal view H lateral view I ventral view. Scale bar: 2 mm.

  Part of: Smith RR, Short AEZ (2020) Review of the genus Chasmogenus Sharp, 1882 of northeastern South America with an emphasis on Venezuela, Suriname, and Guyana (Coleoptera, Hydrophilidae, Acidocerinae). ZooKeys 934: 25-79. https://doi.org/10.3897/zookeys.934.49359