ðeɪ ɑːɹ mˈɛnʃənd æz pˈɛtɹəkˌoːɹɪˌaɪz baɪ sˈiːzɚ mˈɪd fˈɜːst sˈiː. bˌiːsˈiː, pˈɛtɹəkˌoːɹɪˌɔɪ pˈaɪˈɛpsɪləntˈaʊɹˈoʊˈoʊmɪkɹənkˈæpəˈoʊmɪkɹənɹˈoʊaɪˈoʊɾəˈoʊmɪkɹˌɑːnaɪˈoʊɾə baɪ stɹˈɑːboʊ ˈɜːli fˈɜːst sˈiː. ˌeɪdˈiː ænd tˈoʊlmi sˈɛkənd sˈiː. ˈæd, pˌɛtɹəkˈɔːɹi baɪ plˈaɪni fˈɜːst sˈiː. ˈæd, ænd æz pˈɛtɹəɡˌoːɹɪˌaɪ baɪ sɪdˈoʊnɪəs ɐpˌɑːlɪnˈɑːɹɹɪs fˈɪfθ sˈiː. ˈæd.
They are mentioned as Petrocoriis by Caesar (mid-1st c. BC), Petrokórioi (Πετροκόριοι) by Strabo (early 1st c. AD) and Ptolemy (2nd c. AD), Petrocori by Pliny (1st c. AD), and as Petrogorii by Sidonius Apollinaris (5th c. AD).