Platythelphusa echinata was created in 1952.
Platythelphusa armata was created in 1887.
Platythelphusa conculcata was created in 1907.
Platythelphusa denticulata was created in 1952.
Platythelphusa maculata was created in 1902.
Platythelphusa polita was created in 1952.
Platythelphusa praelongata was created in 2004.
Platythelphusa tuberculata was created in 1952.
Platythelphusa immaculata was created in 2004.
Hydractinia echinata was created in 1823.
Carex echinata was created in 1770.
Caesalpinia echinata was created in 1785.
Euprenolepis echinata was created in 2009.