Stereocidaris microtuberculata Yoshiwara 1898

Family: Cidaridae

Order: Cidaroida

Locality: Phillipines, Mindanao, Balut Island, taken with tangle net ab. 200 m, 2014

Dimensions: 46 Ø x 31 mm

The taxon Stereocidaris microtuberculata came from the seller. In Heinke Schultz, Sea Urchins III, page 1052, one can read, that Shigei 1986 regarded St. microtuberculata as synonymous to Stereocidaris grandis. I cannot prove if it is the one or the other or both or anywhat else.