This is an original and with minimum restoration (rx carapax side) about 4% Harpactoxanthopsis quadrilobata from Lutentian strata of Rosenheim Area Germany.
Crabs has just some restorations on left part of carapax check last photo
They are uncommon to find in this quality.
Harpactoxanthopsis quadrilobata (Desmarest, 1822)
Harpactoxanthopsis sp. fossil German crab
size: crab carapax 6 cm x 6 cm rock 10 cm x 4,5 cm
restorations: 1 glued part,rx part carapax restored kless then 4%
preparator: Alex Zagar