After Frost, 2000-2002 [AMNH Amphibian species of the World]
<==o Asterophryinae ()? [8/54]
|--o Asterophrys ()? [2]
| |-- A. leucopus ()?
| `-- A. turpicola ()?
|--o Barygenys ()? [7]
| |-- B. atra ()?
| |-- B. cheesmanae ()?
| |-- B. exsul ()?
| |-- B. flavigularis ()?
| |-- B. maculata ()?
| |-- B. nana ()?
| `-- B. parvula ()?
|--o Callulops ()? [15]
| |-- C. boettgeri ()?
| |-- C. comptus ()?
| |-- C. doriae ()?
| |-- C. dubius ()?
| |-- C. eurydactylus ()?
| |-- C. fuscus ()?
| |-- C. glandulosus ()?
| |-- C. humicola ()?
| |-- C. kopsteini ()?
| |-- C. personatus ()?
| |-- C. robustus ()?
| |-- C. sagittatus ()?
| |-- C. slateri ()?
| |-- C. stictogaster ()?
| `-- C. wilhelmanus ()?
|-- Hylophorbus rufescens ()?
|--o Mantophryne ()? [3]
| |-- M. infulata ()?
| |-- M. lateralis ()?
| `-- M. louisiadensis ()?
|-- Pherohapsis menziesi ()?
|?- Phrynomantis
|--o Xenobatrachus ()? [17]
| |-- X. anorbis ()?
| |-- X. arfakianus ()?
| |-- X. bidens ()?
| |-- X. fuscigula ()?
| |-- X. giganteus ()?
| |-- X. huon ()?
| |-- X. macrops ()?
| |-- X. mehelyi ()?
| |-- X. multisica ()?
| |-- X. obesus ()?
| |-- X. ocellatus ()?
| |-- X. ophiodon ()?
| |-- X. rostratus ()?
| |-- X. scheepstrai ()?
| |-- X. schiefenhoeveli ()?
| |-- X. subcroceus ()?
| `-- X. tumulus ()?
`--o Xenorhina ()? [6]
|-- X. bouwensi ()?
|-- X. eiponis ()?
|-- X. minima ()?
|-- X. oxycephala ()?
|-- X. parkerorum ()?
`-- X. similis ()?
Reference(s):
Cannatella, D., 1996-1998: Microhylidae - Narrow-Mouthed Frogs.
–iNet: The Tree of Life: http://tolweb.org/tree/
Frost, D. R., 2000: Amphibian species of the World: An Online Reference.
–iNet: American Museum of Natural History, Department of Herpetology: http://research.amnh.org/herpetology/amphibia/index.html