Unique fossil preservation in ferruginous Silurian deposits from the Carnic Alps, Italy. - FERRETTI, ANNALISA; CAVALAZZI, BARBARA; CORRIGA, MARIA GIOVANNA; DESOGUS, SAMUELE; FRANCHINI, CARLOTTA; MALFERRARI, DANIELE; ONGARI, COLIN; ZOCCHI, CAMILLA; CORRADINI, CARLO (Bulletin of Geosciences, 2025)