Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Megaclassis: Osteichthyes
Cladus: Sarcopterygii
Classis: Dipnoi
Ordo: Ceratodontiformes
Familia: †Ceratodontidae
Genera (6): Archaeoceratodus – Ceratodus – Lupaceratodus – Metaceratodus – Potamoceratodus – Retodus
Name
Ceratodontidae Gill, 1872 [?1873, ?Kirkland, 1987]
References
Kirkland, J.I. 1987: Upper Jurassic and Cretaceous lungfish tooth plates from the Western Interior, the last dipnoan faunas of North America. Hunteria, 2(2): 1–16. [not seen]
Vernacular names
polski: Rogozębowate
Ceratodontidae is an extinct family of lungfish with fossils known worldwide from the earliest Triassic to the Eocene.
Taxonomy
Although the extant Queensland lungfish was formerly also classified in this family due to its similar appearance, phylogenetic and morphological evidence indicates that it belongs in a different family, Neoceratodontidae. A morphological study by Kemp et al (2017) proposed that Ceratodontidae was more closely related to modern African (Protopteridae) and South American lungfish (Leptosirenidae) than Queensland lungfish.[1] However, Brownstein, Harrington & Near (2023) found Ceratodontidae to lie outside the crown group of modern lungfish, with all modern lungfish more closely related to each other than to Ceratodontidae.[2]
Genera
The following genera are known from the family:[3]
†Arganodus (alternatively placed in own family, Arganodontidae)
†Ariguna
†Ceratodus
†Epiceratodus
†Lupaceratodus Galula Formation, Tanzania, Cretaceous
†Metaceratodus
†Microceratodus (?)
†Potamoceratodus
†Tellerodus
†Retodus
Paraceratodus was also classified in this family but phylogenetic evidence supports it being the most basal member of Ceratodontoidei.[1][4]
References
Kemp, Anne; Cavin, Lionel; Guinot, Guillaume (2017-04-01). "Evolutionary history of lungfishes with a new phylogeny of post-Devonian genera". Palaeogeography, Palaeoclimatology, Palaeoecology. 471: 209–219. Bibcode:2017PPP...471..209K. doi:10.1016/j.palaeo.2016.12.051. ISSN 0031-0182.
Brownstein, Chase Doran; Harrington, Richard C; Near, Thomas J. (July 2023). "The biogeography of extant lungfishes traces the breakup of Gondwana". Journal of Biogeography. 50 (7): 1191–1198. Bibcode:2023JBiog..50.1191B. doi:10.1111/jbi.14609. ISSN 0305-0270.
"Fossilworks: Ceratodontidae". fossilworks.org. Retrieved 17 December 2021.
"Fossilworks: Paraceratodus". fossilworks.org. Retrieved 17 December 2021.
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