This is a rare marine reptile ribs from nodular layer of Hokkaido Island.
it was found in 2019 by Gianpaolo Di Silvestro, in a small stream closer mikasa city.
it was prepared carefully and the small pebble could be a gastrolite. We are not sure but why not.
indet. marine reptile.
Upper Yezo Group
Hokkaido Cretaceous japan marine reptile rib
size of block is: 15 cm x 8 cm
rib: 8 cm
restorations: just 1 glued part
preparator: Alex Zagar