agnathan

agnathan

[ag-nuh-thuhn]
noun
1.
any member of the vertebrate class Agnatha.
adjective

Origin:
Agnath(a) + -an

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World English Dictionary
agnathan (æɡˈneɪθən)
 
n
1.  any jawless eel-like aquatic vertebrate of the superclass Agnatha, which includes the lampreys and hagfishes
 
adj
2.  See also cyclostome of, relating to, or belonging to the superclass Agnatha
 
[C19: from New Latin agnatha, from a-1 + Greek gnathos jaw]

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Science Dictionary
agnathan   (āg'nə-thən)  Pronunciation Key 
Adjective   Lacking a jaw.

Noun   See jawless fish.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Encyclopedia Britannica
Encyclopedia

agnathan

any of the class Agnatha of primitive, jawless fishes that includes the lampreys and hagfishes (order Cyclostomata), as well as extinct groups

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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