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Obaichthyidae information


Obaichthyidae
Temporal range: Aptian–Cenomanian
PreꞒ
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D
C
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Fossil of Obaichthys decoratus
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Clade: Ginglymodi
Order: Lepisosteiformes
Superfamily: Lepisosteoidea
Family: †Obaichthyidae
Grande, 2010
Genera
  • †Obaichthys (Type)
  • †Dentilepisosteus
  • †Afrocascudo?

Obaichthyidae is an extinct family of ginglymodian ray-finned fish that lived in what is now Africa and South America during the Cretaceous period (Aptian–Cenomanian ages). It was erected in 2010 by Lance Grande to include the genera Dentilepisosteus and Obaichthys.[1][2] In 2012, it was defined as a stem-based taxon containing all taxa more closely related to Obaichthys than to the genera Lepisosteus, Pliodetes or Lepidotes.[3] Afrocascudo, initally described as the earliest known armored catfish, might actually represent a juvenile obaichthyid, possibly a junior synonym of Obaichthys.[4]

Obaichthyids were close relatives of the modern gars of the family Lepisosteidae, with the two groups making up the superfamily Lepisosteoidea.[3] They are also known as spiny gars, referencing their close resemblance and relationship to modern gars, with one difference being their spiny scales.[1][5] They also differ from extant gars in their highly specialized jaws, with a prominent overbite, teeth concentrated at the tip, and a very small gape, indicating that they likely fed on small invertebrates, in contrast to all lepisosteids which are adapted to feed on other vertebrates.[6]

  1. ^ a b Grande, Lance (2010). "An Empirical Synthetic Pattern Study of Gars (lepisosteiformes) and Closely Related Species, Based Mostly on Skeletal Anatomy. the Resurrection of Holostei". Copeia. 2010 (2A): iii–871. ISSN 0045-8511. JSTOR 20787269.
  2. ^ Cite error: The named reference Brito2016 was invoked but never defined (see the help page).
  3. ^ a b Cite error: The named reference López2012 was invoked but never defined (see the help page).
  4. ^ Britz, R.; Pinion, Amanda K.; Kubicek, Kole M.; Conway, Kevin W. (2024). "Comment on "A Saharan fossil and the dawn of Neotropical armoured catfishes in Gondwana" by Brito et al". Gondwana Research. doi:10.1016/j.gr.2024.06.014.
  5. ^ Cooper, Samuel L. A.; Gunn, James; Brito, Paulo M.; Zouhri, Samir; Martill, David M. (2023-11-01). "A new fully marine, short-snouted lepisosteid gar from the Upper Cretaceous (Turonian) of North Africa". Cretaceous Research. 151: 105650. Bibcode:2023CrRes.15105650C. doi:10.1016/j.cretres.2023.105650. ISSN 0195-6671. S2CID 259520870.
  6. ^ Cavin, Lionel; Boudad, Larbi; Tong, Haiyan; Läng, Emilie; Tabouelle, Jérôme; Vullo, Romain (2015-05-27). "Taxonomic Composition and Trophic Structure of the Continental Bony Fish Assemblage from the Early Late Cretaceous of Southeastern Morocco". PLOS ONE. 10 (5): e0125786. Bibcode:2015PLoSO..1025786C. doi:10.1371/journal.pone.0125786. ISSN 1932-6203. PMC 4446216. PMID 26018561.

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Obaichthyidae

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Obaichthyidae is an extinct family of ginglymodian ray-finned fish that lived in what is now Africa and South America during the Cretaceous period (Aptian–Cenomanian...

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Lepisosteiformes

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extinct members compared to modern gar, from the superficially gar-like Obaichthyidae to the semionotiform-like Lepidotidae, which were previously classified...

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Gar

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during the Late Permian. The closest extinct relatives of gar are the Obaichthyidae, an extinct group of gar-like fishes from the Early Cretaceous of Africa...

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Atractosteus

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†Araripelepidotes †Pliodetes †Thaiichthys †Obaichthyidae Dentilepisosteus Obaichthys Lepisosteidae Atractosteus †Cuneatus †Grandemarinus †Herreraichthys...

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Lepidotes

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†Araripelepidotes †Pliodetes †Thaiichthys †Obaichthyidae Dentilepisosteus Obaichthys Lepisosteidae Atractosteus †Cuneatus †Grandemarinus †Herreraichthys...

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Austrolepidotes

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†Araripelepidotes †Pliodetes †Thaiichthys †Obaichthyidae Dentilepisosteus Obaichthys Lepisosteidae Atractosteus †Cuneatus †Grandemarinus †Herreraichthys...

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Semionotiformes

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†Araripelepidotes †Pliodetes †Thaiichthys †Obaichthyidae Dentilepisosteus Obaichthys Lepisosteidae Atractosteus †Cuneatus †Grandemarinus †Herreraichthys...

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Propterus

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†Araripelepidotes †Pliodetes †Thaiichthys †Obaichthyidae Dentilepisosteus Obaichthys Lepisosteidae Atractosteus †Cuneatus †Grandemarinus †Herreraichthys...

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Lepisosteus

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†Araripelepidotes †Pliodetes †Thaiichthys †Obaichthyidae Dentilepisosteus Obaichthys Lepisosteidae Atractosteus †Cuneatus †Grandemarinus †Herreraichthys...

Word Count : 911

Semionotus

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†Araripelepidotes †Pliodetes †Thaiichthys †Obaichthyidae Dentilepisosteus Obaichthys Lepisosteidae Atractosteus †Cuneatus †Grandemarinus †Herreraichthys...

Word Count : 92

Holostei

Last Update:

†Araripelepidotes †Pliodetes †Thaiichthys †Obaichthyidae Dentilepisosteus Obaichthys Lepisosteidae Atractosteus †Cuneatus †Grandemarinus †Herreraichthys...

Word Count : 1394

Ginglymodi

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†Araripelepidotes †Pliodetes †Thaiichthys †Obaichthyidae Dentilepisosteus Obaichthys Lepisosteidae Atractosteus †Cuneatus †Grandemarinus †Herreraichthys...

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Araripelepidotes

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†Araripelepidotes †Pliodetes †Thaiichthys †Obaichthyidae Dentilepisosteus Obaichthys Lepisosteidae Atractosteus †Cuneatus †Grandemarinus †Herreraichthys...

Word Count : 304

Histionotus

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†Araripelepidotes †Pliodetes †Thaiichthys †Obaichthyidae Dentilepisosteus Obaichthys Lepisosteidae Atractosteus †Cuneatus †Grandemarinus †Herreraichthys...

Word Count : 31

Orthurus

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†Araripelepidotes †Pliodetes †Thaiichthys †Obaichthyidae Dentilepisosteus Obaichthys Lepisosteidae Atractosteus †Cuneatus †Grandemarinus †Herreraichthys...

Word Count : 58

Callipurbeckia

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†Araripelepidotes †Pliodetes †Thaiichthys †Obaichthyidae Dentilepisosteus Obaichthys Lepisosteidae Atractosteus †Cuneatus †Grandemarinus †Herreraichthys...

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Paralepidotus

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†Araripelepidotes †Pliodetes †Thaiichthys †Obaichthyidae Dentilepisosteus Obaichthys Lepisosteidae Atractosteus †Cuneatus †Grandemarinus †Herreraichthys...

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Aphelolepis

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†Araripelepidotes †Pliodetes †Thaiichthys †Obaichthyidae Dentilepisosteus Obaichthys Lepisosteidae Atractosteus †Cuneatus †Grandemarinus †Herreraichthys...

Word Count : 175

Corunegenys

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†Araripelepidotes †Pliodetes †Thaiichthys †Obaichthyidae Dentilepisosteus Obaichthys Lepisosteidae Atractosteus †Cuneatus †Grandemarinus †Herreraichthys...

Word Count : 189

Kyphosichthys

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†Araripelepidotes †Pliodetes †Thaiichthys †Obaichthyidae Dentilepisosteus Obaichthys Lepisosteidae Atractosteus †Cuneatus †Grandemarinus †Herreraichthys...

Word Count : 385

Macrosemiidae

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†Araripelepidotes †Pliodetes †Thaiichthys †Obaichthyidae Dentilepisosteus Obaichthys Lepisosteidae Atractosteus †Cuneatus †Grandemarinus †Herreraichthys...

Word Count : 351

Macrosemimimus

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†Araripelepidotes †Pliodetes †Thaiichthys †Obaichthyidae Dentilepisosteus Obaichthys Lepisosteidae Atractosteus †Cuneatus †Grandemarinus †Herreraichthys...

Word Count : 59

Alleiolepis

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†Araripelepidotes †Pliodetes †Thaiichthys †Obaichthyidae Dentilepisosteus Obaichthys Lepisosteidae Atractosteus †Cuneatus †Grandemarinus †Herreraichthys...

Word Count : 164

Legnonotus

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†Araripelepidotes †Pliodetes †Thaiichthys †Obaichthyidae Dentilepisosteus Obaichthys Lepisosteidae Atractosteus †Cuneatus †Grandemarinus †Herreraichthys...

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Notagogus

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†Araripelepidotes †Pliodetes †Thaiichthys †Obaichthyidae Dentilepisosteus Obaichthys Lepisosteidae Atractosteus †Cuneatus †Grandemarinus †Herreraichthys...

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Luoxiongichthys

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†Araripelepidotes †Pliodetes †Thaiichthys †Obaichthyidae Dentilepisosteus Obaichthys Lepisosteidae Atractosteus †Cuneatus †Grandemarinus †Herreraichthys...

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Belonostomus

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Hauterivian of Brazil is now thought to be a stem-gar in the family Obaichthyidae. The former species B. microcephalus Winkler, 1862 from the Tithonian...

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Scheenstia

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†Araripelepidotes †Pliodetes †Thaiichthys †Obaichthyidae Dentilepisosteus Obaichthys Lepisosteidae Atractosteus †Cuneatus †Grandemarinus †Herreraichthys...

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Enigmatichthys

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†Araripelepidotes †Pliodetes †Thaiichthys †Obaichthyidae Dentilepisosteus Obaichthys Lepisosteidae Atractosteus †Cuneatus †Grandemarinus †Herreraichthys...

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Paracentrophorus

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†Araripelepidotes †Pliodetes †Thaiichthys †Obaichthyidae Dentilepisosteus Obaichthys Lepisosteidae Atractosteus †Cuneatus †Grandemarinus †Herreraichthys...

Word Count : 148
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