(Arcovomer passarellii)
Arcovomer passarellii (common name: Passarelli's frog) is a species of frog in the family Microhylidae. It is monotypic within the genus Arcovomer. It is endemic to southeastern Brazil and found in Espírito Santo, Rio de Janeiro, and São Paulo states. Frogs from Espírito Santo may represent another, undescribed species. The name honours Antonio Passarelli who collected the holotype.