Gray, A. (1846), Musci Alleghanienses. American Journal of Science and Arts ser. 2 1: 74 [tax. nov.]

Duff, R.J., Villarreal, J.C., Cargill, D.C. & Renzaglia, K.S. (2007), Progress and challenges toward developing a phylogeny and classification of the hornworts. The Bryologist 110(2): 239, 240 [secondary reference]

Cargill, D.C. (2016), Rare and peculiar hornworts: Notothylas orbicularis and N. javanica (Notothyladaceae), new genus and species records for Australia. Phytotaxa 275(1): 2 [secondary reference]

• Etymology: "Notothylas from the Greek nôto meaning dorsal in reference to the position of the sporophyte on the dorsal surface of the thallus and -thylakos meaning a sack in reference to the pouch-like or sack-like shape of the reduced and protective involucres typical of the genus.

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