Ceratodontidae

Ceratodontidae
Temporal range: Early Triassic to Eocene, 251.3 - 57.0 mya (but see text)
Ceratodus
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Clade: Sarcopterygii
Class: Dipnoi
Order: Ceratodontiformes
Family: †Ceratodontidae
Gill, 1872
Genera

See text

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]

Paraceratodus was also classified in this family but phylogenetic evidence supports it being the most basal member of Ceratodontoidei.[1][4]

References

  1. ^ a b 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.
  2. ^ 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.
  3. ^ "Fossilworks: Ceratodontidae". fossilworks.org. Retrieved 17 December 2021.
  4. ^ "Fossilworks: Paraceratodus". fossilworks.org. Retrieved 17 December 2021.

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