Protosphaerion signatipenne, Taxa Only, Exact Match: 2 Treatments

Protosphaerion signatipenne			Souza, Diego De Santana, Andriolo, Aline, Sepúlveda, Tatiana Alejandra & Silveira, Maria Aurea Pinheiro De Almeida, 2021, Unveiling the diversity of longhorn beetles (Coleoptera, Cerambycidae) in Brazilian western Amazonia: a checklist of the Entomological Collection of the Federal University of Rondônia, Brazil, Zootaxa 4981 (2), pp. 201-233 : 208	208
Protosphaerion signatipenne			Martins, Ubirajara Ribeiro, Galileo, Maria Helena M. & Limeira-de-Oliveira, Francisco, 2009, Cerambycidae (Coleoptera) do estado do Maranhão, Brasil. II, Papéis Avulsos de Zoologia 49 (38), pp. 503-527 : 507	507