#Micro Headline Life Development Program#At a glance, do you think this is a modern art installation, but in fact it is a right-angled stone fossil in the National Maritime Museum. Right angled stones are nautiluses

#Micro Headline Life Development Plan# At first glance, do you think this is a modern art installation, but it is actually a right-angled stone fossil in the National Maritime Museum.

Right angled stones are a species of nautilus and one of the apex predators of the late Ordovician, the main prey of nautiluses is trilobites. Since the Ordovician period, the number of trilobites in the ocean has gradually decreased, which is closely related to the large number of nautilus species on Earth.

The most famous hornstone found in China is called Aurora Hornstone, which is a type of right-angled stone in the middle Ordovician.

It is speculated that nautilus also sometimes went to the surface of the sea to live a planktonic life, and although the tentacles grew on the head, it moved in the water not in the direction of the head, but in the opposite direction to the head. The eyes are large and round, and they are very similar to higher animal fish from appearance to internal structure, and they have good eyesight.

When it finds its prey, it will quickly pursue it and capture it with its tentacles. At that time, most animals were certain to die as long as they were targeted by straight-shelled nautiluses. #从今天起记录我的2023 #