suborder heterostraci (Meaning)
Wordnet
suborder heterostraci (n)
extinct group of armored jawless fishes or fish-like vertebrate; taxonomy is not clear
Synonyms & Antonyms of suborder heterostraci
No Synonyms and anytonyms found
suborder heterostraci Sentence Examples
- The suborder Heterostraci, an extinct group of jawless fish, flourished during the Silurian and Devonian periods.
- Heterostracans possessed a distinctive head shield that covered most of their dorsal surface.
- The suborder Heterostraci is characterized by its toothless, beak-like mouthparts.
- Heterostracans were bottom-dwelling animals that primarily fed on microscopic organisms.
- The largest known heterostracan, the giant pteraspid Thelodus parvidens, could reach lengths of up to 2 meters.
- Heterostracans played an important role in marine ecosystems, forming a substantial part of the food chain.
- The suborder Heterostraci vanished from the fossil record during the Late Devonian extinction, possibly due to competition with more advanced fish.
- Studies of heterostracans provide valuable insights into the evolution of early vertebrates.
- Heterostracans are closely related to the suborder Thelodonti, which also possessed a head shield but lacked beak-like mouthparts.
- The suborder Heterostraci represents a fascinating and important chapter in the history of vertebrate evolution.
FAQs About the word suborder heterostraci
extinct group of armored jawless fishes or fish-like vertebrate; taxonomy is not clear
No synonyms found.
No antonyms found.
The suborder Heterostraci, an extinct group of jawless fish, flourished during the Silurian and Devonian periods.
Heterostracans possessed a distinctive head shield that covered most of their dorsal surface.
The suborder Heterostraci is characterized by its toothless, beak-like mouthparts.
Heterostracans were bottom-dwelling animals that primarily fed on microscopic organisms.
