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Topic: Semionotiformes

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	[No title]
		The phylogenetic timing of this genome duplication during the evolution of ray-finned fish is unknown, since only few species of basal fish lineages have been investigated so far.
		We studied three nuclear genes (fzd8, sox11, tyrosinase) and obtained sequences from sturgeons (Acipenseriformes), gars (Semionotiformes), bony tongues (Osteoglossomorpha) and a tenpounder (Elopomorpha).
		Individual gene trees for these three genes and a concatenated dataset support the hypothesis that the fish-specific genome duplication event took place after the split of the Acipenseriformes and the Semionotiformes from the lineage leading to teleost fish, but before the divergence of Osteoglossiformes.
	www.up.univ-mrs.fr /evol-cgr/home_page/meeting2004/22.htm (232 words)

	IngentaConnect A NEW SEMIONOTIFORM (ACTINOPTERYGII, NEOPTERYGII) FROM UPPER JURA... (Site not responding. Last check: 2007-11-02)
		IngentaConnect A NEW SEMIONOTIFORM (ACTINOPTERYGII, NEOPTERYGII) FROM UPPER JURA...
		The relationships between Semionotiformes, Halecomorphi and Teleostei are unresolved.
		We question the phylogenetic relationships of `ancient fishes' founded on molecular-based trees because we suspect that the use of very few Recent taxa as representatives of previously diverse lineages is an inevitable, but important, bias in the construction of such trees.
	www.ingentaconnect.com /content/bpl/pala/2006/00000049/00000002/art00005 (382 words)

	Abstract (Site not responding. Last check: 2007-11-02)
		It is composed of the primitive halecostome orders Semionotiformes and Amiiformes, and the primitive teleostean orders Ichthyodectiformes, Osteoglossiformes and Clupeiformes.
		The Nipponamia - Aokiichthys fauna is found in the First Formation (W1).
		This fauna consists of Lepidotes macropterus of the order Semionotiformes, Nipponamia satoi of the Amiiformes, Chuhsiungichthys yanagidai of the Ichthyodectiformes, and Aokiichthys toriyamai, A.
	www.d3.dion.ne.jp /~y.yabu/ypabstp16.html (457 words)

	Fish Families in the Order Semionotiformes \| Fish Database \| Practical Fishkeeping
		To search for more information on these fish, either enter their scientific name, or select the family they belong to, then select the genus.
		According to the Integrated Taxonomic Information Service there are currently 1 families in the order Semionotiformes.
		Enter a keyword to search the site, or use the advanced search to search by section.
	www.practicalfishkeeping.co.uk /pfk/pages/browser.php?utsn=161090 (118 words)

	Genome Biology \| Full text \| Tetraodongenome confirms Takifugufindings: most fish are ancient polyploids
		Interestingly, all older, more basal groups of ray-finned fish, namely Polypteriformes (bichirs), Acipenseriformes (sturgeons and paddlefish), Semionotiformes (gars), and Amiformes (bowfin), have only a few extant species (Figure 1).
		Most members of these basal actinopterygian lineages are considered to be 'living fossils', because their morphology has remained unchanged over very long evolutionary time periods.
		This is in good agreement with the recent analyses of the Takifugu genome, as fossil data age the Semionotiformes at between 245 and 286 million years, whereas molecular estimates for the Amiiformes, which are of approximately the same age as the Semionotiformes, hint at a separation from the Teleostei stem lineage about 367-404 Mya.
	genomebiology.com /2004/5/12/250 (2247 words)

	Biogeography of the Dolphinfish
		These species were an known as the Semionotiformes (Greenwood 1963).
		During the Triassic period, the Semionotiformes evolved into the Pholidophoriformes order (Greenwood 1963).
		The Pholidophoriformes existed during the Triassic and Jurassic periods, after which time they became extinct, but not before giving rise to another order, the Leptolepiformes (Greenwood 1963).
	bss.sfsu.edu /geog/bholzman/courses/fall99projects/dolphinfish.htm (1174 words)

	1 (Site not responding. Last check: 2007-11-02)
		Higher Taxa: Semionotiformes Arambourg and Bertin, 1958; Semionotidea Olsen and McCune, 1991;.
		Higher Taxa: Lepisosteiformes; Lepisosteidae; †Semionotiformes; Polypteriformes; Palaeonisciformes; †Paramblyteridae.
		Higher Taxa: coelacanth; pycnodontiform; Semionotiformes; Amiiformes; Macrosemiidae; Pyucnodontiformes; Pleuropholidae; Gonorynchiformes;.
	www2.biology.ualberta.ca /wilson.hp/mesofish/MFNA-CE.html (7779 words)

	Untitled Document (Site not responding. Last check: 2007-11-02)
		The jaws of Araripelepidotes temnurus (Agassiz, 1841) (Actinopterygii, Semionotiformes) from the Early Cretaceous of Brazil
		An acid-prepared specimen of Araripelepidotes temnurus (Agassiz, 1841) (Actinopterygii, Semionotiformes) shows the maxilla, dentary, and antorbital.
		These bones, which were previously only poorly known in this fossil actinopterygian, are described in detail.
	www.vertpaleo.org /jvp/16-369-373.html (113 words)

	ITIS Standard Report Page: Neopterygii
		84, Nelson (1994) comments on the status of Holostei, and though it may turn out to be monophyletic he ends up leaving its constituent orders (Amiiformes, Semionotiformes, and their fossil relatives) directly under Subclass Neopterygii, while all the other neopterygians are placed in "Division Teleostei" (handled as Infracalss Teleostei in ITIS).
		Thus, ITIS leaves Holostei linked under both living orders, Amiiformes and Semionotiformes
		Additional off-site resources may be available for this taxon.
	www.itis.gov /servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=553120 (179 words)

	Actinopterygii -- Facts, Info, and Encyclopedia article (Site not responding. Last check: 2007-11-02)
		Order (Click link for more info and facts about Acipenseriformes) Acipenseriformes (sturgeons, paddlefish)
		Order (Click link for more info and facts about Semionotiformes) Semionotiformes (gars)
		Order (Click link for more info and facts about Amiiformes) Amiiformes (bowfins)
	www.absoluteastronomy.com /encyclopedia/a/ac/actinopterygii.htm (765 words)

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