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Ray-finned fishes are the dominant aquatic vertebrates today, making up about half of all vertebrate species known. They are found in every aquatic habitat from the abyssal depths of the ocean to freshwater streams and ponds;
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www.ucmp.berkeley.edu/vertebrates/actinopterygii/actini...
www.ucmp.berkeley.edu/vertebrates/actinopterygii/actinintro.html
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Simple explanation of ray finned fish in the framework of the history of the Universe ... These are the animals we normally think of as fish. They evolved about 390 million years ago. Unlike the lobe finned fish, their fins are adapted for swimming, not crawling. ... Biological Environment > Ray Finned Fish...
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www.historyoftheuniverse.com/rayfin.html
www.historyoftheuniverse.com/rayfin.html
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This category contains articles about taxa at the order level in the class Actinopterygii, the ray-finned fish. The ray-finned fish contain most of the species of fish and these are divided into 46 orders. Most of the fish known to aquarists and anglers are within this class.
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en.wikipedia.org/wiki/Category:Ray-finned_fish
en.wikipedia.org/wiki/Category:Ray-finned_fish
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ray-finned fish n. Any of various bony fishes belonging to the class Actinopterygii, having fins supported by long rays of ... 5min Related Video: ray-finned fish...
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www.answers.com/topic/actinopterygii
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We apply the method to Actinoptertygii (ray-finned fish), the largest vertebrate clade – they make up about half of all known vertebrate species – with a poorly known phylogeny [38-42]. We also present experimental tests to show that PCR primers designed for a subset of the candidate markers can efficiently...
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www.biomedcentral.com/1471-2148/7/44
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Limnomis delaneyi (early ray-fin fish) ... Limnomis was a small fish measuring a maximum of 6 cm. Its streamline body, large eyes and numerous small but sharp teeth suggest that it was an active sight-feeder that fed on small invertebrates in slow-moving and shallow water.
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www.devoniantimes.org/who/pages/limnomis.html
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At one time it was claimed that the pectoral fins of rhizodonts, a group of lobe-finned fish, were remarkably similar to tetrapod limbs, but following the description of Gooloogongia from the Famennian of New South Wales, Johanson and Ahlberg79 have urged that they not be used as a model for the origin of tetrapod limbs.
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www.answersingenesis.org/tj/v17/i2/tetrapod.asp
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Class Actinopterygii; (ray-finned fishes) ... What do these icons mean?; The icons tell you what features are available for that taxon. ... Selecting an icon will take you directly to that feature.
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animaldiversity.ummz.umich.edu/site/accounts/classifica...
animaldiversity.ummz.umich.edu/site/accounts/classification/Actinopterygii.html
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The evolutionary position of bichirs is disputed, and they have been variously aligned with ray-finned fish (Actinopterygii) or lobe-finned fish (Sarcopterygii), which also include tetrapods. Alternatively, they have been placed into their own group, the Brachiopterygii.
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www.genetics.org/cgi/lookup?vol=144&fp=1165&view=abstra...
www.genetics.org/cgi/lookup?vol=144&fp=1165&view=abstract
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