Preptoceras mayfieldi (Troxell, 1915) Dataset The Paleobiology Database Rank SPECIES Classification phylum Chordata order Pecora family Bovidae genus Soergelia species Preptoceras mayfieldi Name Synonyms Euceratherium mayfieldi (Troxell, 1915) Soergelia elisabethae Schaub, 1951 Soergelia mayfieldi (Troxell, 1915) Homonyms Preptoceras mayfieldi (Troxell, 1915)