Amphipneustes bifidus
Amphipneustes bifidus is a species of sea urchin. Their armor is covered with spines. It is placed in the genus Amphipneustes and lives in the sea. Amphipneustes bifidus was first scientifically described in 1950 by Ole Mortensen, a Danish scientist.

References 

bifidus
Animals described in 1950
Taxa named by Ole Theodor Jensen Mortensen