Patterns on freshwater bivalve fossils, Fukui

Patterns on freshwater bivalve fossils, Fukui
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 Bivalve fossil found in the “Chatan Formation of the Tedori Group” in Katsuyama City, Fukui Prefecture = 12th

Bivalve fossils that live in freshwater found in the Chatan Formation of the Tedori Group about 120 million years ago (Early Cretaceous) in Katsuyama City, Fukui Prefecture have patterns, according to the Prefectural Dinosaur Museum (Katsuyama City). ) announced in the British scientific journal on the 13th. It is said to be the second example in the world, the first in Japan, and the world’s oldest example of a similar fossil dating back more than 100 million years.

The fossil will be excavated in 2020. A total of 17 shells of at least three species were found, each with concentric and radial black bands. Similar to modern freshwater bivalves. Dinosaurs may have eaten them.

Kaiji Asato, director of the museum, said, “I would like to investigate why the fossils in this stratum are in such a good state of preservation.” It will be exhibited from the 14th.

ALyo Natour