The Coelophysis group of dinosaurs, which includes various species such as Coelophysis bauri and Coelophysis rhodesiensis, is believed to have become extinct by the end of the Triassic Period. This extinction event occurred approximately 201 million years ago.
During the Triassic Period, the Earth’s landmasses were still connected as a single supercontinent known as Pangaea. The climate was generally warm and dry, with vast desert regions. The Coelophysis dinosaurs were well adapted to this environment, with their lightweight bodies and long legs, which allowed them to move swiftly and efficiently across the arid landscapes in search of prey.
However, around 201 million years ago, the end of the Triassic Period brought about significant changes to the Earth’s ecosystems. One of the major events during this time was the eruption of massive volcanic activity in what is now known as the Central Atlantic Magmatic Province (CAMP). These eruptions released enormous amounts of volcanic gases and ash into the atmosphere, leading to a period of global climate change.
The volcanic activity resulted in a rapid increase in carbon dioxide levels, leading to a greenhouse effect and a subsequent rise in global temperatures. This sudden change in climate had a profound impact on the flora and fauna of the time, including the Coelophysis dinosaurs.
The rising temperatures caused many plant species to die off, leading to a decline in food sources for herbivorous dinosaurs. As a result, the herbivores struggled to survive, affecting the entire food chain. The Coelophysis dinosaurs, being carnivores, relied on the availability of herbivorous prey for their survival.
Additionally, the volcanic eruptions also caused widespread destruction and habitat loss. The ash and debris ejected into the atmosphere settled on the land, burying plants and disrupting ecosystems. This further disrupted the Coelophysis dinosaurs’ ability to find sufficient food and suitable habitats.
The combination of these environmental changes ultimately led to the extinction of the Coelophysis dinosaurs by the end of the Triassic Period. While some related species may have persisted for a short time into the Jurassic Period, the Coelophysis group as a whole could not adapt to the rapidly changing conditions and ultimately perished.
It is important to note that the exact timing and cause of the Coelophysis extinction are still subjects of scientific debate. Fossil evidence and ongoing research continue to shed light on the events that led to the demise of these fascinating dinosaurs.