The financial supported was provided by a Sepkoski Grant from the Paleontological Society;King Saud University,Riyadh,Saudi Arabia,Researchers Supporting Project Number RSP 2024R140;Project PDI2021-125585NB-100 of the Spanish Ministry for Science Innovation (MICINN)。
Seven Cornulites species,including a new one—Cornulites leonei n.sp.,are described from the Upper Ordovician Portixeddu Formation(Katian,stage slices Ka2-3)of Sardinia and the Cavá(lower Katian,stage slice Ka2)and E...