superclass agnatha (Meaning)
Wordnet
superclass agnatha (n)
superclass of eel-shaped chordates lacking jaws and pelvic fins: lampreys; hagfishes; some extinct forms
Synonyms & Antonyms of superclass agnatha
No Synonyms and anytonyms found
superclass agnatha Sentence Examples
- The superclass Agnatha comprises jawless fish species with a unique evolutionary history.
- Agnathans, the most ancient superclass of vertebrates, lack jaws and possess a circular mouth.
- The absence of jaws in agnathans is a defining characteristic that differentiates them from other vertebrates.
- Some agnathans, such as hagfish, have a cartilaginous skeleton, while others, like lampreys, possess a soft, boneless body.
- Agnathans have a specialized feeding apparatus that utilizes suction to extract food from their surroundings.
- The superclass Agnatha includes two distinct orders: Myxiniformes (hagfish) and Petromyzontiformes (lampreys).
- Agnathans play a significant role as scavengers and parasites in marine ecosystems.
- The fossil record of agnathans dates back over 500 million years, making them among the oldest known vertebrates.
- Agnathans lack pelvic fins and typically possess a single dorsal fin located near the posterior end of their body.
- The superclass Agnatha is a fascinating group of organisms that represent a pivotal stage in vertebrate evolution.
FAQs About the word superclass agnatha
superclass of eel-shaped chordates lacking jaws and pelvic fins: lampreys; hagfishes; some extinct forms
No synonyms found.
No antonyms found.
The superclass Agnatha comprises jawless fish species with a unique evolutionary history.
Agnathans, the most ancient superclass of vertebrates, lack jaws and possess a circular mouth.
The absence of jaws in agnathans is a defining characteristic that differentiates them from other vertebrates.
Some agnathans, such as hagfish, have a cartilaginous skeleton, while others, like lampreys, possess a soft, boneless body.