Asterophryinae is a subfamily of

microhylid The Microhylidae, commonly known as narrow-mouthed frogs, are a geographically widespread family of frogs. The 683 species are in 57 genera and 11 subfamilies. Evolution A molecular phylogenetic study by van der Meijden, et al. (2007) has estima ...

frog A frog is any member of a diverse and largely semiaquatic group of short-bodied, tailless amphibian vertebrates composing the order (biology), order Anura (coming from the Ancient Greek , literally 'without tail'). Frog species with rough ski ...

s distributed in an area from the

Peninsular Malaysia Peninsular Malaysia, historically known as Malaya and also known as West Malaysia or the Malaysian Peninsula, is the western part of Malaysia that comprises the southern part of the Malay Peninsula on Mainland Southeast Asia and the list of isla ...

through the

Malay Archipelago The Malay Archipelago is the archipelago between Mainland Southeast Asia and Australia, and is also called Insulindia or the Indo-Australian Archipelago. The name was taken from the 19th-century European concept of a Malay race, later based ...

to northern Australia.

Genera

The following genera are recognised in the subfamily Asterophryinae: The most species-rich genus is ''

Oreophryne ''Oreophryne'', the cross frogs, is a genus of microhylid frogs. They are found in the southern Philippines, Sulawesi and the Lesser Sunda Islands, and New Guinea and New Britain New Britain () is the largest island in the Bismarck Archi ...

'' (71 species). Two genera are

monotypic In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unisp ...

: '' Oninia'' and '' Siamophryne''. The genera '' Siamophryne'' and '' Vietnamophryne'' were added to Asterophryinae in 2018.

Body size

Microhylid frogs are generally small. A few species such as ''

Callulops robustus ''Callulops robustus'' (commonly known as Boulenger's callulops frog or robust frog) is a species of frog in the family Microhylidae. It has traditionally been considered as wide-ranging species found in both Western New Guinea (Indonesia) and Pa ...

'' and ''

Asterophrys turpicola ''Asterophrys turpicola'' (common name: New Guinea bush frog) is a species of frog in the family Microhylidae. It is widespread in New Guinea and found in both West Papua (Indonesia) and Papua New Guinea, although it appears to be absent from th ...

'' attain snout-vent lengths (SVL) in excess of , whereas frogs in genus ''

Paedophryne ''Paedophryne'' (from the Ancient Greek language, Ancient Greek ''paedos'' (παίδος) "child" and ''phryne'' (φρύνος) "toad, frog") is a genus of Microhylidae, microhylid frogs from Papua New Guinea, including D'Entrecasteaux Islands. ...

'' are particularly small, and ''

Paedophryne amauensis ''Paedophryne amauensis'', also known as the New Guinea Amau frog, is a species of microhylid frog endemic to eastern Papua New Guinea. At in snout-to-vent length, it was once considered the world's smallest known vertebrate. (See also Ecolo ...

'' is the world's smallest known vertebrate, attaining an average body size of only (range 7.0–8.0 mm).

References

{{Taxonbar, from=Q1968598 Microhylidae Frogs of Asia Amphibians of Australia Amphibian subfamilies Taxa named by Albert Günther