👉 Opalinids are a group of extinct mammals that lived in Africa during the late Miocene period, approximately 56 million years ago. They were characterized by their small size, short necks, and highly developed gills for breathing air at such a young age. The exact evolutionary history and distribution of the Opalinida remains largely unknown, but they are believed to have been small mammals that lived in arid environments with limited food sources.
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What is the definition of Opalinids? 🙋
👉 Opalinids are a group of organisms that have a single cell nucleus, a large number of mitochondria, and a complex cellular organelle called the Golgi apparatus. These cells were once thought to be extinct, but recent research has shown that they still exist in various forms on Earth today.
