Cassidulus infidus
Cassidulus infidus is a species of sea urchin of the family Cassidulidae. Their armour is covered with spines. Cassidulus infidus was first scientifically described in 1948 by Ole Theodor Jensen Mortensen.
Cassidulus infidus is a species of sea urchin of the family Cassidulidae. Their armour is covered with spines. Cassidulus infidus was first scientifically described in 1948 by Ole Theodor Jensen Mortensen.