To anyone interested, the description of the genus Vitalius is readable and downloadable from here, thanks to http://www.biodiversitylibrary.org/
Lucas, S., P. I. da Silva Jr. & R. Bertani. 1993. Vitalius a new genus of the subfamily Theraphosinae Thorell, 1870 from Brazil (Araneae, Theraphosidae). Spixiana 16: 241-245.
Lucas, S., P. I. da Silva Jr. & R. Bertani. 1993. Vitalius a new genus of the subfamily Theraphosinae Thorell, 1870 from Brazil (Araneae, Theraphosidae). Spixiana 16: 241-245.