Rhinonycteridae
Rhinonicteris aurantia
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Chiroptera
Superfamily: Rhinolophoidea
Family: Rhinonycteridae
J.E. Gray, 1866
Type species
Rhinolophus aurantius
Gray, 1845

Rhinonycteridae is a family of bats, within to the suborder Yinpterochiroptera. The type species, the orange nose-leafed species group Rhinonicteris aurantia, is found across the north of Australia.[1]

Description

The family accords with the description to the type genus Rhinonicteris, and its classification of the morphology of the rhinarium. The revision of Hill in 1982 follows Gray to describe the features of the nose-leaf for the subfamilial group, and these provide diagnosis to distinguish the species from other families. Molecular analysis also provides a distinctive retrotransposon insertion expressed in a gene fragment.[2]

Taxonomy

The alliance resurrects John Edward Gray's 1866 arrangement of known microbat taxa, first published as subtribe Rhinonycterina, and elevating this to the rank of family. The taxon combined the poorly known genera Cloeotis and Triaenops in a 1982 revision that compared the nose-leaf morphology of the species.[lower-alpha 1] This name was again proposed to accommodate the fossil and extant species of the genus Rhinonicteris, separating it from the unstable arrangements of family Hipposideridae, and was elevated in 2014.[2][3] The affinities within the families Hipposideridae and Rhinolophidae are sometimes found to be contrary in morphological and molecular analyses, yet resolving the phylogeny of these speciose and poorly defined groups has implication in several areas of research. The synonymy includes earlier combinations that elevated the rank through subtribe, tribe then subfamily. The taxon Triaenopini Benda & Vallo, 2009[4] was also reduced to a synonym for this family by the authors of the 2014 revision that elevated this taxon.[2]

The hipposiderid and rhinolophid bats are of especial interest to research into potential public health concerns, and the opportunity for a SARS-like outbreak from species that act as reservoirs for the coronaviruses implicated in conditions like the Chinese epidemic and Middle East respiratory syndrome outbreak.[2] The reviewing authors also emphasise the strong support for elevation to family rank of Rhinonycteridae and reconsideration as a taxonomic equivalent to family Hipposideridae, based on the time of divergence and phylogenies that indicated paraphyly in earlier morphological classifications. Aside from anticipating and detecting the sources of zoonotic disease, as carriers of the potentially lethal coronavirus species (especially those of human-lethal Betacoronavirus-b group), the treatment allows the identification of Evolutionary Significant Units within the hipposiderid, rhinolophid and the rhinonycterid lineages.[2]

A common name for what Gray referred as 'leaf-nosed bats' in establishing the Rhinonycterina, and later authors labelled 'Old World leaf-nosed bats' in transposing the name for hipposiderid species, has been proposed as trident bats (Armstrong, et al, 2016).[5]

Diversity

The genus Rhinonicteris is unusual in becoming endemic to Australia, whereas the other genera are found in Africa and Madagascar, and the fossil record supports the terrestrial radiation of the family. One hypothesis is they may have aerially dispersed to new regions by island hopping, a proposed explanation for Allodapine bees that dispersed from Africa to Australia during the same epochs. The earliest dates for the arrival of the family in Australia coïncides with the arrival of Brachipposideros nooraleebus, and both are thought to have migrated through Europe and Asia to arrive and diverge at the Australian continent around 15 to 20 Ma.

The Australian Faunal Directory recognised extant taxa occurring in Australia;

  • family Rhinonycteridae. elevated by Foley, et al, 2014.[2]

The 2014 revision presents a separation as three families, equivalent to other mammalian taxonomic arrangements, and incorporates a clade identifying the type Rhinonicteris aurantia with genera Paratriaenops, Triaenops and Cloeotis. The three groups, the hipposiderid, rhinolophid and rhinonycterid families, were tested by several genomic and morphological studies that strongly supported monophyletic lineages. The families all appear to have diverged from a common ancestor around 42 Ma, and the Hipposideridae and Rhinonycteridae at approximately 39 Ma.[2] The origin of the family is determined to be the African continent.[2]

The arrangement of the family, with the subsequent inclusion of Miocene taxa,[5] may be summarised as:[2]

References

  1. ↑ Hill J. A review of the leaf-nosed bats Rhinonycteris, Cloeotis and Triaenops (Chiroptera: Hipposideridae), Bonn Zool Beitr., 1982, vol. 33 (pg. 165-186)
  1. ↑ "Names List for RHINONYCTERIDAE". Australian Faunal Directory. Department of the Environment and Energy. Retrieved 29 January 2019.
  2. 1 2 3 4 5 6 7 8 9 10 Foley, Nicole M.; Thong, Vu Dinh; Soisook, Pipat; Goodman, Steven M.; Armstrong, Kyle N.; Jacobs, David S.; Puechmaille, Sébastien J.; Teeling, Emma C. (February 2015). "How and Why Overcome the Impediments to Resolution: Lessons from rhinolophid and hipposiderid Bats". Molecular Biology and Evolution. 32 (2): 313–333. doi:10.1093/molbev/msu329. PMC 4769323. PMID 25433366.
  3. ↑ "Family RHINONYCTERIDAE". Australian Faunal Directory. Department of the Environment and Energy. Retrieved 29 January 2019.
  4. ↑ Benda, Petr; Vallo, Peter (2009). "Taxonomic revision of the genus Triaenops (Chiroptera: Hipposideridae) with description of a new species from southern Arabia and definitions of a new genus and tribe". Folia Zoologica -Praha. 58.
  5. 1 2 Hand, Suzanne J.; Benda, Petr; Goodman, Steven M.; Armstrong, Kyle N. (28 October 2016). "A common name for the bat family Rhinonycteridae—the Trident Bats". Zootaxa. 4179 (1): 115–117. doi:10.11646/zootaxa.4179.1.7. ISSN 1175-5334. PMID 27811695. S2CID 20906819.
  6. ↑ Hand, Suzanne J. (1993). "First skull of a species of Hipposideros (Brachipposideros) (Microchiroptera: Hipposideridae). from Australian Miocene sediments". Memoirs of the Queensland Museum. 33: 179–192. ISSN 0079-8835.
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