Chaetodiadema granulatum Mortensen 1903

Family: Diadematidae

Order: Diadematoida

Locality: Philippines

Dimensions: 50 x 12 mm,

Tubercles perforate and crenulate. Pores trigeminate, forming a single row with very steep archs. The dark elongated spots are originally blue light-sensitive spots.

Locality: Philippines, Siquijor, taken by tangle nets, 150m, 2008

Dimensions: 26,5 x 9,5 mm,

I got this specimen as Coelopleurus species, but this genus is apparently wrong. I think, that it is rather a juvenile form of Chaetodiadema granulatum.