Cheilotomona is an extinct genus of prehistoric marine gastropods in the family
Goniasmatidae. The species C. elegans is from a Pelsonian/Illyrian marine shale/marl in the Triassic Qingyan Formation of Guizhou Province, China.
^E. Strand. 1928. Miscellanea nomenclatorica zoologica et palaeontologica. Archiv für Naturgeschichte, Abteilung A, pages 30-75
^H.-F. Yin and E. L. Yochelson. 1983. Middle Triassic Gastropoda from Qingyan, Guizhou Province, China: 1 - Pleurotomariacea and Murchisoniacea. Journal of Paleontology 57(1):162-187