Shells of the Conoidean families Clathurellidae, Drilliidae, Horaiclavidae, Mangeliidae, Mitromorphidae, Pseudomelatomidae, and Raphitomidae formerly considered to be Turridae, collected in Dhofar, a Governorate in the Sultanate of Oman, are listed and discussed. Most of the species are figured. In total, 76 species have been studied, 32 of which were already known, including one species described while this paper was in press, nine species could not be determined to species level due to the small number of specimens at hand, most of them juveniles. Thirty-five species have been considered as new for science, being described and figured in the present work. Altogether the studied species belong to 31 genera, 30 of which were already known, and one is described as new for science. The genus Mirbatia and the following species are described as new for science: Etrema haesitata, Mitromorpha confortinii, Mitromorpha hardyi, Mitromorpha purae, Mitromorpha ryalli, Gingicithara salisburyi, Gingicithara suarezi, Daphnella terryni, Hemilienardia boyeri, Hemilienardia verstraeteni, Pseudodaphnella fedosovi, Clavus alboroseus, Clavus juani, Clavus subtilifasciatus, Clavus velcolorum, Clavus triantoniorum, Orrmaesia longiqua, Orrmaesia microperforata, Carnodrillia oliveri, Crassispira albobrunnea, Crassispira candelae, Crassispira dhofarensis, Crassispira discoloris, Crassispira flavolineata, Crassispira lirae, Crassispira monteiroi, Funa trigoi, Anacithara anae, Anacithara fortilabiata, Anacithara pseudorissoina, Buchema amanciohorroi, Mirbatia zigurataeformis, Peudexomilus fuscobandatus, Pseudexomilus protemporalis, and Striatoguraleus afonsoi. Photographs of types of Daphnella buccinulum Melvill & Standen, 1903, Daphnella dea Melvill, 1903, Daphnella lucasii Melvill, 1904, Daphnella thygatrica Melvill & Standen, 1903, Lienardia cincta (Dunker, 1871), Clathurella epixantha (Melvill, 1904) and Pleurotoma (Mangilia) pellyi E. A. Smith, 1882 are published for the first time.