Family Heteroxynematidae
Aspiculuris sp.
Oncifelis guigna, Chiloe, Chile, Contreras Barria (2012).
Heteroxynema caviellae
Microcavia australis, Unspecified locality, Cited in NHM, (2015).
Heteroxynema weinecki
Galea musteloides, Jujuy, Argentina, Freitas & Almeida (1936).
Heteroxynema viscaciae
Lagidium viscacia, Chubut, Argentina, Hugot & Sutton (1989a).
Lagidium wolffsohni, Santa Cruz, Argentina, Fugassa (2015).
Lagostomus maximus, La Rioja, Argentina, Ferreyra et al. (2007).
Lagostomus maximus, La Pampa, Argentina, Foster et al. (2002).