This is an original and big Harpactoxanthopsis quadrilobata (with minimum restoration about 6% 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 9 cm x 6 cm rock 17 cm x 14 cm
restorations: 1 glued part,rx part carapax restored less then 6% check red cirle in photo
preparator: Alex Zagar