Spelaeornis, the typical wren-babblers, is a bird genus in the family Timaliidae. 

1/ Naga wren-babbler (Khướu đất đuôi dài, Spelaeornis chocolatinus)
(split from long-tailed wren-babbler)

2/ Pale-throated wren-babbler (Spelaeornis kinneari) 

3/ Bar-winged wren-babbler (Spelaeornis troglodytoides)

Timaliidae, Timalia: The word "Timalo" originates in the Greek "Thimalos", which means "bird". This Greek root was adapted to Latin as "Timalus" and later to Portuguese as "Timalo".
Spelaeornis: Greek spelaion: cave; ornis: bird.