- Wels catfish (Valgrisi). Part of Set of animals for Mattioli's Dioscorides (Valgrisi)
- Wels catfish (Silurus). In Pedanius Dioscorides, Pietro Andrea Mattioli, Petri Andreae Matthioli medici Senensis Commentarii, in libros sex Pedacii Dioscoridis Anazarbei, de medica materia. Adiectis quam plurimis plantarum & animalium imaginibus, eodem authore (var. B), Venice: Vincenzo Valgrisi (printer), 1554 (Vienna, ÖNB), p. 179 ◼
- Wels catfish (Silurus). In Pedanius Dioscorides, Pietro Andrea Mattioli, Petri Andreae Matthioli Senensis Commentarii, in libros sex Pedacii Dioscoridis Anazarbei, Venice: Vincenzo Valgrisi (printer), 1558, p. 201 ◼