Maxvachonia, Chabaud et Brygoo, 1960

Ni, Xue-Feng, Barton, Diane P., Chen, Hui-Xia & Li, Liang, 2022, Native species Maxvachonia chabaudi Mawson, 1972 (Nematoda: Cosmocercoidea) found in the invasive marine toad Rhinella marina (Linnaeus) (Anura: Bufonidae) in Australia, Folia Parasitologica (028) 69, pp. 1-7 : 4

Key to the species of Maxvachonia

Maxvachonia brygooi was treated as incertae sedis and is not included in the key;

1a Spicules longer than gubernaculum ……………….... 2

1b Spicules shorter than gubernaculum …....................... 3

2a Two pairs of precloacal papillae .................... M. ewersi

2b Five pairs of precloacal papillae .................... M. ingens

3a Tail tip of female rounded ........................ M. dimorpha

3b Tail tip of female conical (tail normally with finger-like tip) .............................................................................. 4

4a Two or three pairs of precloacal papillae; eggs with long filaments ............................................. M. flindersi

4b Five to six pairs of precloacal papillae; eggs without filaments ..................................................................... 5

5a Precloacal longitudinal grooves present in male; tail tip of female without nodular protuberances ... M. adamsoni

5b Precloacal longitudinal grooves absent in male; tail tip of female with numerous nodular protuberances ........... ................................................................... M. chabaudi