 Scourfield to the Natural History Museum in London where it is currently displayed on a microscope slide.In 2004 Michael S. Engel and David A. Grimaldi (2004) analyzed "Rhyniognatha hirsti's" mouthparts, and came to the conclusion that "Rhyniognatha" likely had wings, as they determined the mouthparts resembled those of a mayfly, a flying insect.Nevertheless, Carolin Haug & Joachim T. Haug came to a different conclusion, interpreting "Rhyniognatha hirsti" as a myriapod.