Type:"Australia. Northern Territory. Nitmiluk National Park, 21 March 2000, K. Brennan 4941 (holo: BRI [AQ1024487 comprising 1 sheet]; iso: DNA D0169730)."
Etymology:"From the Latin paucus meaning ‘few’, and -jugus, meaning ‘paired’. This refers to the fewer pairs of pinnae in this species when compared to the related
Neptunia dimorphantha."