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- Halecomorphi abstract "Halecomorphi is a taxon of bony fishes in the clade Neopterygii. The sole living Halecomorph is the bowfin (Amia calva), but the group contains many extinct species in several families, including Amiidae, Caturidae, Liodesmidae, Sinamiidae, and the orders Ionoscopiformes, and Parasemionotiformes). The Halecomorphi exhibit a combination of ancestral features, such as most heavily mineralized scales, but also by more derived or "modern" features, particularly in the structure of the skull (e.g. position and shape of preopercles).Unique derived traits (synapomorphies) of the Halecomorphi include:Unique jaw articulation in which the quadrate and symplectrum participate in the joint.Lengthened dorsal finsTwo biconcave vertebrae per segment in the posterior body region (a condition known as diplospondyly)Fan like arrangement of small bones (hypurals) in the tail.On the systematic position of the Halecomorphi are two competing hypotheses:The Halecostomi hypothesis proposes Halecomorphi as a sister group of the major group (Teleostei) (rendering Holostei paraphyletic).The Holostei hypothesis proposes Halecomorphi as a sister group of gars (Lepisosteidae) and their fossil relatives together together under the name Ginglymodi.↑ ↑ ↑ ↑".
- Halecomorphi class Actinopterygii.
- Halecomorphi class Holostei.
- Halecomorphi class Neopterygii.
- Halecomorphi kingdom Animal.
- Halecomorphi phylum Chordate.
- Halecomorphi thumbnail Cipactlichthys_scutatus_holotype.png?width=300.
- Halecomorphi wikiPageExternalLink v=onepage&q&f=false.
- Halecomorphi wikiPageID "41859140".
- Halecomorphi wikiPageRevisionID "594629509".
- Halecomorphi classis Actinopterygii.
- Halecomorphi imageCaption "Cipactlichthys scutatus, a Cretaceous Halecomorph.".
- Halecomorphi infraclassis Holostei.
- Halecomorphi name "Halecomorphi".
- Halecomorphi phylum Chordate.
- Halecomorphi regnum "Animalia".
- Halecomorphi subclassis Neopterygii.
- Halecomorphi unrankedSuperordo "Halecomorphi".
- Halecomorphi subject Category:Holostei.
- Halecomorphi subject Category:Prehistoric_ray-finned_fish.
- Halecomorphi type Animal.
- Halecomorphi type Eukaryote.
- Halecomorphi type Fish.
- Halecomorphi type Species.
- Halecomorphi type Organism.
- Halecomorphi comment "Halecomorphi is a taxon of bony fishes in the clade Neopterygii. The sole living Halecomorph is the bowfin (Amia calva), but the group contains many extinct species in several families, including Amiidae, Caturidae, Liodesmidae, Sinamiidae, and the orders Ionoscopiformes, and Parasemionotiformes). The Halecomorphi exhibit a combination of ancestral features, such as most heavily mineralized scales, but also by more derived or "modern" features, particularly in the structure of the skull (e.g.".
- Halecomorphi label "Halecomorphi".
- Halecomorphi label "Halecomorphi".
- Halecomorphi sameAs m.0_lmg41.
- Halecomorphi sameAs Q4040348.
- Halecomorphi sameAs Q4040348.
- Halecomorphi wasDerivedFrom Halecomorphi?oldid=594629509.
- Halecomorphi depiction Cipactlichthys_scutatus_holotype.png.
- Halecomorphi isPrimaryTopicOf Halecomorphi.
- Halecomorphi name "Halecomorphi".
