Selinunte is reconized to be an important Greek city of Sicily from the 6th and 5th century BC.
The toponym "Selinonte" was clearly deciphered in a Linear B tablet found in Pylos. However, in "A Companion to Linear B" by Yves Duhoux and Anna Morpurgo Davies, translators do not link to the ancient city of Sicily.
But Mycenaean vases were found all around the Mediterranean. For its western part, in Spain, in Sardinia, in Sicily, in the golf of Taranto, and in certain Adriatic ports.
Which leads me to suggest that Selinunte was Mycenaean towards the end of the Bronze Age.
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My notes of veracity :
Selinunte existed in Sicily during the Mycenaeans period: 3/5