Toxopneustes pileolus freak Lamarck 1816

Family: Toxopneustidae

Order: Echinoida

Locality: unknown (probably Philippines)

Dimensions: 94 Ø x 37 mm

Test is deformed and has in the deformed area between the two normal ambulacra an additional third ambulacrum with numerous scattered pores, reaching from the periproctal area down to the ambitus.