Stereocidaris purpurascens Mortensen 1928

Family: Cidaridae

Order: Cidarioda

Locality: Philippines, Balut Island,
by tangle nets, 250-350 m

Dimensions:34 Ø x 20,5 mm


Bought 2020 from Conchology. The specimen fits well with "Sea urchins III, Heinke Schultz, Fig. 1834, page 1056" although the colour of the genital plates is not yellow-brown but rather greenish.