''Shirerpeton'' is an extinct
genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial nom ...
of
albanerpetontid
The Albanerpetontidae are an extinct family of small amphibians, native to the Northern Hemisphere during the Mesozoic and Cenozoic. The only members of the order Allocaudata, they are thought to be allied with living amphibians belonging to Lissa ...
amphibian from the
Early Cretaceous Kuwajima Formation
The Kuwajima Formation is an Early Cretaceous geologic formation in Japan. Its precise age is uncertain due to a lack of identifying fossils, and it was previously considered likely Valanginian to Hauterivian in age. However, it is now considered ...
, which is located in
Japan.
[Fujita, M. (2003). "Geological age and correlation of the vertebrate-bearing horizons in the Tetori Group". ''Memoir of the Fukui Prefectural Dinosaur Museum''. 2: 3–14.] The type species is ''Shirerpeton isajii'', which was described by Masumoto & Evans in 2018.
''Shirerpeton'' represents the first record of Albanerpetontidae in
East Asia
East Asia is the eastern region of Asia, which is defined in both Geography, geographical and culture, ethno-cultural terms. The modern State (polity), states of East Asia include China, Japan, Mongolia, North Korea, South Korea, and Taiwan. ...
and the holotype is SBEI 2459, a small block bearing most of a disarticulated but associated skull with some
postcranial Postcrania (postcranium, adjective: postcranial) in zoology and vertebrate paleontology is all or part of the skeleton apart from the skull. Frequently, fossil remains, e.g. of dinosaurs or other extinct tetrapods, consist of partial or isolated s ...
elements present as well.
Phylogeny
From Daza ''et al'' (2020):
References
{{Taxonbar, from=Q49000628
Albanerpetontidae
Fossil taxa described in 2018