Almeida, L.M. and Santos, P.B. 2014.

Synopsis of Oryssomini Gordon (Coleoptera: Coccinellidae)
from the Neotropical region with new species of Oryssomus Mulsant, Pseudoryssomus Gordon and Gordonoryssomus Almeida & Lima

. Zootaxa. 3846, 1 (Jul. 2014), 42–68. DOI:https://doi.org/10.11646/zootaxa.3846.1.2.