N. antiqua was first studied by Nina D. Sinitchenkova of the Paleontological Institute of the Russian Academy of Sciences, with her 1999 type description being published in the Russian text Palaeontological Journal.
Suecia Antiqua et Hodierna | Riddarholmskyrkan as presented in ''Suecia Antiqua et Hodierna | Göteborg in around 1700 from ''Suecia Antiqua et Hodierna | Fraternitas Rosicruciana Antiqua | Delia antiqua |