Eodiscoglossus

Eodiscoglossus is an extinct genus of prehistoric frogs. It is known from the type species E. santonjae from the Early Cretaceous of Spain, as well as a referred species E. oxoniensis known from the Forest Marble Formation of the UK.[1][2][3] It was a small primitive frog, with a length of only 27 mm (1.1 in) from the premaxilla to the ischium.[2] Formerly considered to be closely related to discoglossids, now is regarded as close to the root of all extant frogs.[3] The referral of E. oxoniensis to Eodiscoglossus has been questioned, as it is much earlier than the type species and it is based on homoplasic and pleisomorphic characteristics inherited from a common ancestor, so there is no clear evidence of a close relation.[4]

Eodiscoglossus Temporal range: Early Cretaceous 125 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Amphibia
Order:	Anura
Family:	Alytidae
Genus:	†Eodiscoglossus Villalta, 1957
Species
†Eodiscoglossus oxoniensis Evans et al., 1990 †Eodiscoglossus santonjae Villalta, 1957

References

1. "†Eodiscoglossus Villalta 1957". Paleobiology Database. Fossilworks. Retrieved 2 March 2018.
2. Hecht, Max K. (1970). "The morphology of Eodiscoglossus, a complete Jurassic frog". American Museum Novitates. 2424: 1–17. hdl:2246/2634.
3. Báez, Ana Maria; Gómez, Raúl O. (2016). "Revision of the skeletal morphology of Eodiscoglossus santonjae, an Early Cretaceous frog from northeastern Spain, with comments on its phylogenetic placement". Fossil Imprint: 67–77. doi:10.14446/fi.2016.67. ISSN 2533-4069.
4. Báez, Ana M.; Gómez, Raúl O. (2019). "Redescription of the overlooked basal frog Wealdenbatrachus reveals increased diversity among Early Cretaceous anurans". Cretaceous Research. 99: 14–29. doi:10.1016/j.cretres.2019.02.006.

See also

• Prehistoric amphibian
• List of prehistoric amphibians