Vibius Sequester (4th or 5th century), is the author of an alphabetical list of geographical names occurring in the Roman poets, with special reference to Virgil, Ovid and Lucan. Several of the names do not appear in our copies of the poets; unless this is the result of carelessness or ignorance, the compiler must have had access to sources no longer extant.
Older editions by Conrad Bursian (Zürich, 1867), and in Alexander Riese, Geographi Latini minores (1878). See also Teuffel, History of Roman Literature (Eng. trans., 1900), 445, 1. Newer editions include the Teubner edited by R. Gelsomino (1967) and the edition of P.G. Parroni (Milan, 1965).
The text was recently studied by Pier Angelo Perotti, "Note a Vibio Sequestre," Giornale italiano di filologia 56 (2004) 87-99.