Hopper, S.D. & Brown, A.P. (30 June 2006), Australia's wasp-pollinated flying duck orchids revised (Paracaleana: Orchidaceae). Australian Systematic Botany 19(3): 239-240, Figs 2, 25, 26 (map) [tax. nov.]

• Type: "Z Bend Gorge, Kalbarri National Park, 27˚39'S, 114˚28'E, 21 Aug. 1984, A. Brown s.n. holo: PERTH 929158!."

• Etymology: "Named from the Latin terminalis (terminal), alluding to the confinement of the dark calli to the apical fifth of the labellum lamina."

Brown, A., Dundas, P., Dixon, K. & Hopper, S. (2008), Orchids of Western Australia: 234 [secondary reference]

common name: Smooth-billed duck orchid [n/a]

• Etymology: "terminal, alluding to the calli being confined to the tip of the labellum"

Hoffman, N. & Brown, A. (2011), Orchids of South-West Australia Edn. 3: 251 [secondary reference]

common name: Smooth-billed Duck Orchid [n/a]

• Etymology: "The dark glandular calli, which are found on the lips of all species, are confined to the extreme tip of the labellum of this orchid and it is this feature which gives rise to its scientific name of 'terminalis'."

Miller, J.T. & Clements, M.A. (30 June 2014), Molecular phylogenetic analyses of Drakaeinae: Diurideae (Orchidaceae) based on DNA sequences of the internal transcribed spacer region. Australian Systematic Botany 27(1): 17 [basionym]

basionym of: Caleana terminalis (Hopper & A.P.Br.) M.A.Clem. legitimate

Backhouse, G.N., Bates, R.J., Brown, A.P. & Copeland, L.M. (1 March 2016), Checklist of the orchids of Australia including its island territories: 30, 130 [secondary reference]

Council of Heads of Australasian Herbaria (28 February 2018), Australian Plant Census: - [nomenclatural synonym]

nomenclatural synonym of: Caleana terminalis (Hopper & A.P.Br.) M.A.Clem. legitimate

Hopper, S.D. & Brown, A.P. (10 December 2019), Update on generic and specific nomenclature in Paracaleana (Drakaeinae), Caladeniinae and a new name in Caladenia (Orchidaceae). Nuytsia 30: 280 [secondary reference]

Jones, D.L. (January 2021), Native Orchids of Australia Edn. 3: 293 [taxonomic synonym]

taxonomic synonym of: Sullivania terminalis D.L.Jones nom. inval.

Clements, M.A. & Jones, D.L. (19 November 2021), Notes on Australasian Orchidaceae 7: updates on the nomenclature of Sullivania (Diurideae: Drakaeinae). Lankesteriana 21(3): 316 [basionym]

basionym of: Sullivania terminalis (Hopper & A.P.Br.) D.L.Jones & M.A.Clem. legitimate

Brown, A. (19 July 2022), The Complete Orchids of Western Australia 2: 66 [secondary reference]

common name: Smooth-billed Duck Orchid [n/a]

• Etymology: "From the Latin terminalis (terminal), in reference to the calli being confined to the top of the labellum."

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