Printer Friendly
Dictionary, Encyclopedia and Thesaurus - The Free Dictionary
1,762,341,915 visitors served.
forum mailing list For webmasters
?
New: Language forums
Dictionary/
thesaurus
Medical
dictionary
Legal
dictionary
Financial
dictionary
Acronyms
 
Idioms
Encyclopedia
Wikipedia
encyclopedia
?

Agnatha
(redirected from jawless fish)

    Also found in: Dictionary/thesaurus, Wikipedia, Hutchinson 0.03 sec.
Agnatha [′ag·nə′thə]
(vertebrate zoology)
The most primitive class of vertebrates, characterized by the lack of true jaws.


How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content.
?Page tools
Printer friendly
Cite / link
 Email
Feedback
? Mentioned in ? References in periodicals archive
 
Instead, these early jawless fish appear to have had skulls and other skeletal structures made of cartilage, says Simon Conway Morris of the University of Cambridge in England, who collaborated with the Chinese team.
Waking Up to the Dawn of Vertebrates by Monastersky, R. / Science News
Scientists in 1976 identified the fossils, called Anatolepis, as the scales of a jawless fish.
Jump-start for the vertebrates; new clues to how our ancestors got a ... by Monastersky, Ronald / Science News
The bony spine typical of most vertebrates is replaced in jawless fish by a flexible rod similar to cartilage.
Fossils flesh out early vertebrates by Bower, Bruce / Science News
More results
 
Encyclopedia browser? ? Full browser
 
 
Encyclopedia
?

Disclaimer | Privacy policy | Feedback | Copyright © 2009 Farlex, Inc.
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. Terms of Use.