FIKÁČEK, M. Sphaerocetum gen. n., a new genus of the Protosternini from Peninsular Malaysia (Coleoptera: Hydrophilidae: Sphaeridiinae). Zootaxa, Auckland, New Zealand, v. 2601, n. 1, p. 28–36, 2010. DOI: 10.11646/zootaxa.2601.1.2. Disponível em: https://mapress.com/zt/article/view/zootaxa.2601.1.2. Acesso em: 20 apr. 2025.