"Tapinauchenius violaceus (Mello-Leitão, 1930), T. purpureus Schmidt, 1995, T. concolor (Caporiaccco, 1947), and T. gigas Caporiacco, 1954 are considered junior synonyms of T. plumipes."

Taxonomic revision and cladistic analysis of the tarantula genera Tapinauchenius Ausserer, 1871, Psalmopoeus Pocock, 1985, and Amazonius n. gen. (Theraphosidae, Psalmopoeinae)
https://www.mapress.com/zt/article/view/zootaxa.5101.1.1