Subclass Archaeornithes (Noun)
Meaning
Primitive reptile-like fossil birds of the Jurassic or early Cretaceous.
Classification
Nouns denoting animals.
Examples
- The subclass Archaeornithes includes some of the most primitive reptile-like fossil birds of the Jurassic period, such as Archaeopteryx.
- Fossil records show that subclass Archaeornithes birds existed during the Jurassic or early Cretaceous periods, with characteristics of both birds and reptiles.
- The discovery of subclass Archaeornithes fossils in China has provided significant insights into the evolution of birds from reptiles.
- Archaeornithes birds, a subclass of fossil birds from the Jurassic period, had grasping claws on their wings, similar to those of modern birds.
- Paleontologists are particularly interested in subclass Archaeornithes as it represents a transitional phase in the evolution of birds from reptiles.