Zunino, M. (2013). The first dung beetle retrieved from Coprinisphaeridae ichnofossils: Phanaeus violetaen. sp. (Coleoptera: Scarabaeinae) from Ecuadorian cangahua balls. Instituto de Ecología, A.C.
Chicago-referens (17:e uppl.)Zunino, Mario. The First Dung Beetle Retrieved from Coprinisphaeridae Ichnofossils: Phanaeus Violetaen. Sp. (Coleoptera: Scarabaeinae) from Ecuadorian Cangahua Balls. Instituto de Ecología, A.C, 2013.
MLA-referens (9:e uppl.)Zunino, Mario. The First Dung Beetle Retrieved from Coprinisphaeridae Ichnofossils: Phanaeus Violetaen. Sp. (Coleoptera: Scarabaeinae) from Ecuadorian Cangahua Balls. Instituto de Ecología, A.C, 2013.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.
