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Araripelepidotes; Temporal range: 122.46–109.0 Ma PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Clade:	Ginglymodi
Order:	Lepisosteiformes
Suborder:	Lepisosteioidei
Genus:	†Araripelepidotes; (Silva Santos, 1990)
Type species
	Lepidotes temnurus; (Agassiz, 1841)

Araripelepidotes is a genus of ginglymodian fish.

Habitat

Araripelepidotes was probably endemic to the Araripe Basin, and was commonly found in Santana formation, and rare in the Crato Formation, mostly in carbonate concretions, but uncommon in laminated limestones.^[1]^[2]

Taxonomic history

The type species A. temnurus was formerly placed in the genus Lepidotes, until it was moved to the new genus in 1990.^[1] Formerly placed in the Semionotiformes, more recent morphological studies indicate that it is more closely related to extant gar, and is in fact more closely related to gar than "true" lepidotids such as Lepidotes.^[3]

Paleoecology

Araripelepidotes was likely a toothless suction feeder, due to the development of its mobile maxilla and the presence of an interoperculum, and would have inhabited estuarine and freshwater environments.^[4] It is the only lepisosteiform known from the Araripe Basin, except for Lepidotes wenzae.^[1]

References

^ ^a ^b ^c Brito, Paulo M.; Yabumoto, Yoshitaka (March 31, 2011). "An updated review of the fish faunas from the Crato and Santana formations in Brazil, a close relationship to the Tethys fauna" (PDF). Bull. Kitakyushu Mus. Nat. Hist. Hum. Hist., Ser. A. 9: 107–136.
^ Rafael Matos, Lindoso; Maisey, John Graham; Calvalho, Ismar de Souza (2016). "Ichthyofauna from the Codó Formation, Lower Cretaceous (Aptian, Parnaíba Basin), Northeastern Brazil and their paleobiogeographical and paleoecological significance" (PDF). Palaeogeography, Palaeoclimatology, Palaeoecology. 447: 53–64. Bibcode:2016PPP...447...53L. doi:10.1016/j.palaeo.2016.01.045.
^ López-Arbarello, Adriana (2012-07-11). "Phylogenetic Interrelationships of Ginglymodian Fishes (Actinopterygii: Neopterygii)". PLOS ONE. 7 (7): e39370. Bibcode:2012PLoSO...739370L. doi:10.1371/journal.pone.0039370. ISSN 1932-6203. PMC 3394768. PMID 22808031.
^ Thies, Detlev (1996-09-19). "The jaws of Araripelepidotes temnurus (Agassiz, 1841) (Actinopterygii, Semionotiformes) from the Early Cretaceous of Brazil". Journal of Vertebrate Paleontology. 16 (3): 369–373. Bibcode:1996JVPal..16..369T. doi:10.1080/02724634.1996.10011326. JSTOR 4523729.

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[:0-1] Brito, Paulo M.; Yabumoto, Yoshitaka (March 31, 2011). "An updated review of the fish faunas from the Crato and Santana formations in Brazil, a close relationship to the Tethys fauna" (PDF). Bull. Kitakyushu Mus. Nat. Hist. Hum. Hist., Ser. A. 9: 107–136.

[2] Rafael Matos, Lindoso; Maisey, John Graham; Calvalho, Ismar de Souza (2016). "Ichthyofauna from the Codó Formation, Lower Cretaceous (Aptian, Parnaíba Basin), Northeastern Brazil and their paleobiogeographical and paleoecological significance" (PDF). Palaeogeography, Palaeoclimatology, Palaeoecology. 447: 53–64. Bibcode:2016PPP...447...53L. doi:10.1016/j.palaeo.2016.01.045.

[3] López-Arbarello, Adriana (2012-07-11). "Phylogenetic Interrelationships of Ginglymodian Fishes (Actinopterygii: Neopterygii)". PLOS ONE. 7 (7): e39370. Bibcode:2012PLoSO...739370L. doi:10.1371/journal.pone.0039370. ISSN 1932-6203. PMC 3394768. PMID 22808031.

[4] Thies, Detlev (1996-09-19). "The jaws of Araripelepidotes temnurus (Agassiz, 1841) (Actinopterygii, Semionotiformes) from the Early Cretaceous of Brazil". Journal of Vertebrate Paleontology. 16 (3): 369–373. Bibcode:1996JVPal..16..369T. doi:10.1080/02724634.1996.10011326. JSTOR 4523729.

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