[1]
D’ARPA, C. and MELÉNDEZ, G. 2004. OXFORDIAN BIOSTRATIGRAPHY AND AMMONITE ASSOCIATIONS FROM WEST SICILY: BIOSTRATIGRAPHIC SUCCESSION OF GENUS <em>GREGORYCERAS</em> AND CORRELATION WITH TETHYAN PERISPHINCTID SCALE. RIVISTA ITALIANA DI PALEONTOLOGIA E STRATIGRAFIA . 110, 1 (Mar. 2004). DOI:https://doi.org/10.13130/2039-4942/6296.