Claim: First described by W. J. Rainbow & R. H. Pulleine in 1918, Stanwellia is a genus of South Pacific araneomorph spiders in the family Pycnothelidae which is a family of mygalomorph spiders first described in 1917.
Evidence: Pycnothelidae is a family of mygalomorph spiders first described in 1917. Stanwellia is a genus of South Pacific araneomorph spiders in the family Pycnothelidae. It was first described by W. J. Rainbow & R. H. Pulleine in 1918.