Retodus

Retodus Temporal range: Albian–Maastrichtian PreꞒ Ꞓ O S D C P T J K Pg N
Restoration of Retodus sp.
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Clade:	Sarcopterygii
Class:	Dipnoi
Order:	Ceratodontiformes
Family:	†Ceratodontidae
Genus:	†Retodus Churcher, De Iuliis & Kleindienst, 2006
Type species
†Retodus tuberculatus Churcher, De Iuliis & Kleindienst, 2006
Synonyms
†Ceratodus tuberculatus Tabaste, 1963 †Neoceratodus tuberculatus Tabaste, 1963

Comparison of Retodus (top) with the contemporaneous Stomatosuchus (center) Laganosuchus (bottom)

Retodus is an extinct genus of prehistoric lungfish found in Cretaceous-aged freshwater strata of Egypt (Baharija Formation), Algeria and Niger.^[1][2] The type species, R. tuberculatus, was named in 2006.^[3][4] It was originally named as a species of Ceratodus and Neoceratodus in 1963.^[5]

Description

Tooth plates of R. tuberculatus are characterised by four transverse ridges, broadly rounded crests, a reticular pattern of ridges and hollows, and large adult size.^[3]

See also

• Sarcopterygii
• List of sarcopterygians
• List of prehistoric bony fish

References

1. "Fossilworks: Retodus". fossilworks.org. Retrieved 17 December 2021.
2. "A titan with skin-problems". DeviantArt. 18 September 2014. Retrieved 2019-06-03.
3. Churcher, Charles & De Iuliis, Gerry & Kleindienst, Maxine. (2006). A new genus for the Dipnoan species Ceratodus tuberculatus Tabaste, 1963. Geodiversitas. 28. 635-647.
4. Retodus - Churcher, De Iuliis & Kleindienst, 2006 in GBIF Secretariat (2019). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2020-08-07.
5. Tabaste, N. (1963). — Études de restes de poissons du Crétacé saharien, in Mélanges ichthyologiques dédiés à la mémoire d’Achille Valenciennes (1794-1865). Mémoires de l’Institut français d’Afrique noire 68: 475-485.