Protoavis (meaning "first bird") is a problematic taxon known from fragmentary remains from Late Triassic Norian stage deposits near Post, Texas. The animal's true classification has been the subject of much controversy, and there are many different …

Protoavis is arguably a small bird that lived in what is today Texas, USA, during the late Triassic period, between about 225 and 213 million years ago. The animal is known from a single specimen, initially described by Sankar Chatterjee.

Named Protoavis texensis in 1991, this pheasant-sized creature has caused much controversy by pushing the age of birds back many millions of years from the previous record - that of the more familiar Archaeopteryx lithographica found in Jurassic sediments in Germany.

plant-eating reptiles called aetosaurs, and what may be the first known bird, called Protoavis.

Feb 1, 2025 · Protoavis is a fascinating prehistoric creature, often considered one of the earliest birds. It lived approximately 225 million years ago in what is now Texas, showcasing a mix of traits that hint at the evolution of modern birds .

Proavis is a hypothetical extinct species or hypothetical extinct taxon. The term was coined in the early 20th century in an attempt to support and explain the hypothetical evolutionary steps and anatomical adaptations leading from non-avian theropod dinosaurs to birds. The term has also been used by defenders of the thecodontian origin of birds.

Protoavis is an enigmatic, extinct genus of reptile known from Late Triassic deposits near Post, Texas. Initially identified as a primitive bird, Protoavis, if the identification is valid, would push back avian origins some 60-75 million years.

Protoavis (meaning "first bird") is a problematic taxon of archosaurian whose fossils have been recovered from Late Triassic Norian stage deposits near Post, Texas. Much controversy remains over the animal, with many different interpretations of what Protoavis actually is existing.

Dec 9, 2024 · This was an interesting article I found, and something to think about in a speculative biology project. How dogs survived so long and reproduced in an infected area, like Chernobyl.

Jul 16, 1998 · The Late Triassic Protoavis texensis may also belong to this group 8, but questions have been raised about the association and interpretation of the material 9. The new specimen is therefore the...