Anaspid (Noun)
Meaning
Extinct small freshwater jawless fish usually having a heterocercal tail and an armored head; of the Silurian and Devonian.
Classification
Nouns denoting animals.
Examples
- Anaspids were a group of ancient fish that lived in freshwater environments during the Silurian and Devonian periods.
- The discovery of several anaspid fossils in the same layer of rock provided valuable insights into the evolution of early fish.
- One of the key characteristics of anaspids was their armored head, which was likely used for defense against predators.
- Anaspids were small fish that typically grew to lengths of less than 10 centimeters, making them one of the smallest vertebrates of their time.
- The heterocercal tail of anaspids was a distinctive feature that set them apart from other ancient fish.