Ancilla to the Pre-Socratic Philosophers: 56. Sîmus...
Ancilla to the Pre-Socratic Philosophers, by Kathleen Freeman, [1948]
Sîmus of Poseidônia: fourth century.
Myônides and Euphranôr.
Pythagoreans. No writings are known. Simus was accused of publishing certain Pythagorean discoveries as his own.