Sprattia, Chabaud & Bain, 1976

Spratt, David M., 2011, New records of filarioid nematodes (Nematoda: Filarioidea) parasitic in Australasian monotremes, marsupials and murids, with descriptions of nine new species 2860, Zootaxa 2860 (1), pp. 1-61 : 54

Key to species of Sprattia

1 Adults minute, body <100 wide, left spicule <200 long, right spicule <70 long, transverse bands of refractile cuticular bosses absent, 6 cloacal papillae arranged around cloacal aperture.............................................. S. spearei .

- Adults small, body>100 wide, left spicule> 200 long, right spicule> 70 long, transverse bands of refractile cuticular bosses present, more than 6 cloaca papillae and not all arranged around cloacal aperture................................... 2

2(1) Left spicule with two accessory pieces on lamina, buccal capsule broad, dorsoventrally elongated, microfilaria>240 long, with moderately filamentous tail................................................................. S. venacavincola

- Left spicule without 2 accessory pieces on lamina, buccal capsule small, narrow, microfilariae <185 long, with non–filamentous tail................................................................................. S. capilliformis