Nearly 100 million years old amphibious mussel was found

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Almost 100 million years old amber has been identified by an international research team, preserving the stone’s long extinct mollusc remains.

The fossil is 6.08 grams, 33 millimeters long, 9.5 millimeters wide and 2 millimeters high, allowing scientists to learn more about the ancient wildlife of coastal forests – the scientists wrote in the American Academy of Sciences (PNAS).
Amber is mostly preserved by wildlife, it is very rare that an ancient resin has been captured by marine animals – quotes Phys.org.
The Xinjiang Institute of Geology and Paleontology at the Chinese Academy of Sciences produced high-resolution, three-dimensional images of the spiral of the closed creature, which was important for the identification of the ancient ammonite.
It could have been a young person, a group of 105-93 million years ago, scientists said.
A 99 million-year-old amber from the northern part of Myanmar has been preserved with the remains of at least 40 other animals.
Ammonite belonged to the Puzosia species, its presence confirms that the sediment in which the amber was found belonged to the late Albanian early cenomania stage of the Cretan period. Fossil is one of the few cases in which stone age is determined on the basis of living beings in amber.
The shell of the ammonite and the house of the sea snails found in amber with it can explain the fact that sea creatures could have come into amber that contains the remains of terrestrial animals.
The shellfish are empty, they have no soft tissue, so the living creatures have long died when the resin encapsulated them. The outer shell of the ammonite is broken, the shell is filled with sand, and the amber also contains sand.
The explanation for the emergence of marine and terrestrial organisms in the same amber is that trees that resin near the sandy shore have grown, insects have seized even when the resin was still on the tree. As they went down the tree trunk, they also seized organisms that lived near the tree’s feet, and then, as they reached the shore, grabbed the shells of the animals and other animals, according to scientists.

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