Nyx puyaphaga was described by Heppner in 1982 (see reference to the original description). The holotype is deposited at the USNM (see images).
Scratchpads developed and conceived by (alphabetical):
Ed Baker,
Katherine Bouton
Alice Heaton
Dimitris Koureas,
Laurence Livermore,
Dave Roberts,
Simon Rycroft,
Ben Scott,
Vince Smith