Printer Friendly
Dictionary, Encyclopedia and Thesaurus - The Free Dictionary
3,900,023,186 visitors served.
forum Join the Word of the Day Mailing List For webmasters
?
Dictionary/
thesaurus
Medical
dictionary
Legal
dictionary
Financial
dictionary
Acronyms
 
Idioms
Encyclopedia
Wikipedia
encyclopedia
?

ray-finned fish
(redirected from Actinopterygii)

   Also found in: Encyclopedia, Wikipedia 0.01 sec.
ray-finned fish  (rfnd)
n.
Any of various bony fishes belonging to the class Actinopterygii, having fins supported by long rays of bone.

ray-finned fish
Any of various bony fishes belonging to the subclass Actinopterygii, having fins supported by thin bony rays. Ray-finned fish evolved in the early Devonian Period and include most species of fish today. Also called actinopterygian. Compare lobe-finned fish.


Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content.
?Page tools
Printer friendly
Cite / link
Feedback
Add definition
Mentioned in?  References in periodicals archive?   Dictionary browser?   Full browser?
 
Scientific classification: Kingdom: Animalia Phylum: Chordata Class: Actinopterygii Order: Elopiformes Family: Megalopidae Genus: Megalops This exceptionally fine creature is a prehistoric animal and the only fish with an air bladder.
Pysgod ydyn nhw, credwch neu beidio, er nad ydyn nhw'n edrych yn debyg iawn i bysgod ac mae'n nhw'n perthyn i'r dosbarth Actinopterygii.
 
 
 
Dictionary, Thesaurus, and Translations
?

Terms of Use | Privacy policy | Feedback | Advertise with Us | Copyright © 2012 Farlex, Inc.
Disclaimer
All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional.