Hamatospiculum flagellispiculosum Schuurmans Stekhoven, 1951

Host: Asio clamator (cited as Rhinoptynx clamator maculatus). SI: neck. Lo: Bella Vista, Faimallá Departament, Tucumán Province. Material deposited: CH–N–FML 72. Reference: Schuurmans Stekhoven (1951).

Host: Campephilus magellanicus . SI: joints of the legs and tail. Lo: San Carlos de Bariloche (-41.179, -71.415), Río Negro Province. Reference: Casalins et al. (2019).

Host: Myiodynastes maculatus solitarius (cited as Myiodynastes solitarius). SI: intestine. Lo: Tafí Viejo, Tucumán Province. Reference: Schuurmans Stekhoven (1951).