Mesoocentrotus franciscanus Agassiz 1863
Family: Strongylocentrotidae	Order: Camarodonta
Locality: Baja California, Mexico, South of Ensanada Punta Bunda in and around Bahia Soledad, tidal to 3 m, 1984	Dimensions: 93 Ø x  50 mm
Formerly known as Strongylocentrotus franciscanus, but now in the genus Mesocentrotus (See WORMS or The Echinoid Directory)