Aeropsis fulva
Aeropsis fulva is a species of sea urchin of the family Aeropsidae. Their armour is covered with spines. It is placed in the genus Aeropsis and lives in the sea. Aeropsis fulva was first scientifically described in 1898 by Alexander Emanuel Agassiz. References 

Spatangoida
Animals described in 1898
Taxa named by Alexander Agassiz