Name: Tumidocarcinus giganteus (Glaessner, 1960)
Age: Miocene
Origin: Waipara basin, Glenafric beach, North Canterbury, New Zealand

The nodule measures 20 x 12 cm and has a weight of 1864 gr
This crab is extremely large and of very good quality. Note the preparation in 3d of the claws and legs.