Cryptobranchoidea
Cryptobranchoidea | |
---|---|
Cryptobranchus alleganiensis
| |
Hynobius fossigenus | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Amphibia |
Order: | Urodela |
Suborder: | Cryptobranchoidea Dunn, 1922 |
Subgroups | |
|
The Cryptobranchoidea are a
Hynobiidae
, commonly known as Asian salamanders.
Some species of the fully aquatic family
Cryptobranchidae
are known as giant salamanders due to their large size.
The oldest members of the group are known from the Middle Jurassic (Bathonian) aged Yanliao Biota of China.[2]
Taxonomy
This suborder contains only two families at present. All other members are extinct and are only known as fossils.
- †Chunerpeton Haifanggou Formation, China, Middle Jurassic (Bathonian) (neotenic, has alternatively been recovered outside of Cryptobranchoidea)[3]
- †Jeholotriton Haifanggou Formation, China, Middle Jurassic (Bathonian) (neotenic)
- †Pangerpeton Haifanggou Formation, China, Middle Jurassic (Bathonian)
- †Nesovtriton Bissekty Formation, Uzbekistan, Late Cretaceous (Turonian)
- †Iridotriton Morrison Formation, United States, Late Jurassic (Tithonian)
- †Kiyatriton Itat Formation, Russia, Middle Jurassic (Bathonian) Ilek Formation, Russia, Early Cretaceous (Barremian-Aptian) (Presumed to be a cryptobranchoid)
- †Laccotriton Fengshan fossil bed, China, Late Jurassic (Tithonian)
- †Sinerpeton Fengshan fossil bed, China, Late Jurassic (Tithonian)
- Cryptobranchidae(Late Cretaceous-Recent)
- Panhynobia[2]
- †Liaoxitriton Jiufotang Formation, China, Early Cretaceous (Aptian)
- †Linglongtriton Tiaojishan Formation, China, Late Jurassic (Oxfordian)
- †Neimengtriton Haifanggou Formation, China, Middle Jurassic (Bathonian)
- †Regalerpeton Dabeigou Formation, China, Early Cretaceous (Hauterivian)
- †Nuominerpeton Longjiang Formation, China, Early Cretaceous (Aptian)
- Hynobiidae (Miocene-Recent)
References
- ^ Heying, Heather. "ADW:Family Cryptobranchidae: giant salamanders and hellbenders".
- ^ PMID 34278256.
- ISSN 1871-174X.