[1] The genus is solely known from the early Miocene, Burdigalian stage, Dominican amber deposits on the island of Hispaniola.

It is a single individual of indeterminate sex preserved in a clear orange amber specimen.

[1] The amber is currently residing in the Department of Palaeontology paleoentomology collections of the Natural History Museum in London, England.

[1] T. quisqueyae was first studied by Jacek Szwedo and Adam Stroiński, with their 2001 type description being published in the journal Genus.

[1] The generic name "Tainosia" was coined by Jacek Szwedo and Adam Stroiński in reference to the Tainos people who were native to Hispaniola and other islands of the Greater Antilles.