Scontrino studied at the Palermo Conservatory from 1861 and 1870 and later in Munich. He began performing as a double bassist in 1891. In 1898, he became a professor of composition at the Palermo Conservatory and also taught in Florence afterwards. (Indeed, there are references to him as a teacher of counterpoint at the Florence Conservatory somewhat earlier, in 1897.)
He composed five operas (from 1879 to 1896), several large orchestral works (including symphonies), one concerto each for double bass, bassoon, and piano, four string quartets and a prelude and fugue for quartet, incidental music, pieces for piano, choral music, and lieder.
Scontrino's String Quartets are: E minor (Prelude and Fugue) 1895?; G minor in 4 movements, 1900; C major 4 movements, 1903; A minor 4 movements, 1905?; F major 4 movements, 1918? 
The Conservatorio di Musica "Antonio Scontrino" in Trapani is named in his memory.
- Grande polonese
- Marcia trionfale
- Sinfonia marinesca
- Sinfonia romantica
- Preludio religioso
- Marion De Lorme
- Idillio di Sigfrido
- Pierre Gringoire
- La cortigiana
- December 1, 1897 issue of the Musical Record and Review of Boston, published by the Oliver Ditson Company, page 26. Retrieved from Google Books on 26 June 2011.
- "Scontrino, Antonio". Operone.de (in German). Retrieved 11 November 2010.
- Works by or about Antonio Scontrino at Internet Archive
- Trapani Conservatory homepage (in Italian)
- Timeline of Scontrino's life (in Italian)
- Free scores by Antonio Scontrino at the International Music Score Library Project (IMSLP)