Agnathan
Definition, Meaning & Examples
Pronunciation /ˈæɡ.nə.θən/ · Part of speech adjective
Quick meaning: Agnathan is an adjective meaning (zoology) Belonging or pertaining to the superclass Agnatha, the jawless vertebrates.
Meaning
(zoology) Belonging or pertaining to the superclass Agnatha, the jawless vertebrates.
More Meanings
- (zoology) A member of the superclass Agnatha of jawless vertebrates.
Example Sentences
Haikouichthys is one of three species of jawless (or agnathan) fish to be found in the Early Cambrian period.
The hagfish is an agnathan, a modern representative of the earliest evolved group of vertebrates, the ostracoderms or jawless fishes, which arose prior to the ancient placoderms (3).
Thus should the cranial neural crest in cyclostomes prove to be non-skeletogenous this might be a reflection either of its own primitiveness or of the different evolutionary origins and morphological status of the visceral skeleton in agnathans and gnathostomes.
Word Forms
- agnathans
Synonyms for agnathan
Depending on context, synonyms include agnath.
Related Words
Related dictionary entries include actinozoal, opisthognathous, achoanitic, anodont, annuloid, anisodont.
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Sources & Attribution
FreeDictionaryAPI.com / Wiktionary · Original source · CC BY-SA 4.0
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