Labiobulura

Smales, Lesley R., 2009, A review of the nematode genus Labiobulura (Ascaridida: Subuluridae) parasitic in bandicoots (Peramelidae) and bilbies (Thylocomyidae) from Australia and rodents (Murinae: Hydromyini) from Papua New Guinea with the description of two new species, Zootaxa 2209, pp. 1-27 : 25

Key to the species of Labiobulura from Australian and Papua New Guinean mammals

1 With inter labia ............................................................................................................................................................ 4

- With out inter labia ...................................................................................................................................................... 2

2 Male and female tail with spiked tip........................................................................................... L. leptomyidis Smales

- Male and female tail with blunt, conical tip ................................................................................................................ 3

3 Cephalic papillae and amphids below labial lobes ........................................................................ L. perditus sp. nov.

- Cephalic papillae and amphids on labial lobes ......................................................... L. peragale Johnston & Mawson

4 Buccal apparatus longer than wide, cephalic papillae on sub median labial lobes ...................................................... 5

- Buccal apparatus wider than long, cephalic papillae below sub median labial lobes .................... L. peramelis Baylis

5 Chordal lobes elongated pointed, lateral labial lobes with proximal tip nearly as wide as base ...... L. inglisi Mawson

- Chordal lobes short, rectangular, lateral lobes with proximal tip no more than half width of base ............................. 6

6 Cephalic papillae and amphids on mid region of labial lobes, with nuchal constriction ............... L. baylisi Mawson

- Cephalic papillae and amphids on base of labial lobes, without nuchal constriction .................... L. quentini sp. nov.